Home Computer Repair Online - Startup Applications List

Home Computer Repair Online Startup Applications List

Home » Welcome to the Startup Applications List
Status Code Key:
  • "Y" - Normally leave to run at start-up
  • "N" - Not required - typically infrequently used tasks that can be started manually if necessary
  • "U" - User's choice - depends whether a user deems it necessary
  • "X" - Definitely not required - typically viruses, spyware, adware and "resource hogs"
  • "?" - Unknown

  • To lookup a startup program by file name, click the letter it starts with or use the search feature.

    ABC List: A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z - Other

    Status CodeNameCommand Description
    USZMsgSvc.exeSZMsgSvc.exeStopZilla! - pop-up killer
    XSYS_CLEANService.exeAdded by the FLOPCOPY WORM!
    XSyswindowSyswindow.exeAdded by the COW TROJAN!
    Xsyswin32syswin32.exeAdded by a variant of the SPYBOT WORM!
    XSysWinSysWin.exeAdded by the IRCCONTACT TROJAN!
    USYSWB6SYSWB6.exeWe-Blocker - gives parents the opportunity to monitor their children's Internet access and provide them with age-appropriate content, while filtering out sites that contain adult content
    USysW8csta.exeClean Space - privacy and perfomance enhancer
    XSysvupexSysvupex.exeAdded by the MEDIAS TROJAN!
    XSysUpdSysupd.exeVirtuMonde adware
    XSystryt[path to worm]Added by the AUTEX WORM!
    Xsysusysu.exeDynamic Desktop Media adware - see here
    XSystry[path to worm]Added by the AUTEX WORM!
    XsystreesystreeAdded by the BANCOS.L TROJAN!
    XSystrayServicesMsxpw.exeAdded by the CITOR WORM!
    XSystray driversystray.exeAdded by the MUTEBOT TROJAN! Note - this is not the real SystemTray which shares the same filename
    USysTraySysTray.ExeSYSTRAY.EXE - System Tray Services. Provides the Volume Control, PC Card Status, Power Management and other icons that reside in the System Tray (see here). SYSTRAY.EXE may be disabled if none of these services are required. It will launch as and when required if you later enable the icons. If you need these items they're available via Start -> Settings -> Control Panel
    XSYSTRAYUNMT.EXEAdded by the SDBOT WORM!
    XSystray[filename.exe]Winfavorites adware
    XSystraySystray_.ExeAdded by the KERGEZ.A WORM!
    ?systraxsystrax.exe??
    ?systr32systr32.exe??
    XSystoan32systoan.exeAdded by an unidentified VIRUS, WORM or TROJAN!
    XSystmesySystmesy.exeAdded by the RBOT-KQ WORM!
    XSysTimesystime.exeCoolWebSearch parasite variant
    NSystestSystest.exeClean Space temp files cleaner
    Xsysthreadwinkernal.exeAdded by the LIAMED WORM!
    XSystesms.exesystesms.exeAdded by the RBOT-HI WORM!
    USystem_Messagespprsen.exeTerminatorX - "offers an easy and effective method of stopping users running predetermined file sharing programs like KaZaA, messenger programs, chat rooms and the like"
    XSYSTEMZ PatchSYSZ.exeAdded by the ALADINZ.P TROJAN!
    USystemWizard SnifferSniffer.exeSystemWizard for Win98/ME from SystemSoft - diagnoses and solves hardware and software problems on a PC
    XSystemWideHook for Windows NT%WinHook32.exeAdded by the MYDOOM.AC WORM!
    NSystemUpdSystemUpd.exeUpdater for Swapoo.com, a kind of Napster for games
    XSystemTraySysTray.exeAdded by the ALADINZ.P TROJAN! Note - this is not the valid System Tray (systray.exe) which resides in C:WindowsSystem (Win9x/Me), C:WinntSystem32 (WinNT/2K) or C:WindowsSystem32 (WinXP). If you right-click on the real systray.exe the "Properties" reveal it to be a Microsoft file
    XSystemTraySystemTray.exeAdded by the BIGFOOT TROJAN! Note - this is not the valid SystemTray (SysTray.exe)
    USystemTraySysTray.ExeSYSTRAY.EXE - System Tray Services. Provides the Volume Control, PC Card Status, Power Management and other icons that reside in the System Tray (see here). SYSTRAY.EXE may be disabled if none of these services are required. It will launch as and when required if you later enable the icons. If you need these items they're available via Start -> Settings -> Control Panel
    XSystemTraCDPlay.EXEAdded by a variant of the LOVGATE WORM!
    XSystemTasksfilez.exeAdult content dialler
    XSystemTaskssexypicz.exeAdult content dialler
    XSystemTasksloaded.exeAdult content dialler
    XSystemtraSystra.exeAdded by a variant of the LOVGATE WORM!
    XSystemServiceshman.exePremium rate adult content dialler
    XSystemSettingfTRUG.vbsAdded by the TRUG.B MACRO!
    USystemSuite Task ManagerMXTASK.EXEvcom (nee Ontrack) SystemSuite - PC maintenance and security. Use the program's configuration options to enable only the parts you want running all the time - such as Virusscanner Pro
    XSystemServiceqservice.exePremium rate adult content dialler
    XSystemServicenavchk.exePremium rate adult content dialler
    XSystemServicemsocfg.exePremium rate adult content dialler
    XSystemSearchregedit.exe -s c:ie.regInstalls a Seachxl.com browser page hijack
    XSystemSASSystem32.exeAdded by the KWBOT.C WORM!
    XSYSTEMSars32csrss.exeAdded by the AHLEM.A WORM! Note - this is not the legitimate csrss.exe process which should NOT appear in Msconfig/Startup!
    USystemSafeSyssafe.exeSystem Safety Monitor - system monitoring tool with additional application firewalling
    USystems.exeSystems.exeKeyboard Spectator - monitoring software that creates records of everything people do on a computer, ie, spying or monitoring depending upon how you call it
    XSystems Restartspchost.exeAdded by a variant of the BANCOS.RF TROJAN!
    XSystems Restartslchost.exeAdded by the BANCOS.RF TROJAN!
    XSystemsscchost.exeAdded by the DAEMOZ.A TROJAN!
    XSystemRegWINREG.EXEAdded by the DEWIN.A TROJAN!
    XSystemRegsvchost.exeAdded by the DEWIN.E TROJAN! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    ?SystemRegPROCES.EXE??
    XSystemNetworkNETSERV.EXEAdded by the NETCONTROL VIRUS!
    XSystemMDmd.exeHomepage hijacker
    XSystemMonitorSysmon32.exeAdded by the AIDID.A WORM!
    XSystemMap32Netisp32.vbsAdded by the REDIST.C WORM!
    XSystemManagerSysman32.exeAdded by the DOWNLOADER-BW.B TROJAN!
    XSystemLoad32sysload32.exeAdded by the MIMAIL.E WORM!
    XSystemiom UpdaterSystemiom.exeAdded by the SPYBOT.TY WORM!
    XSystemInitiservc.exeAdded by the FIZZER WORM!
    XSystemExplorerexplore.exeHomepage hijacker - file located in the "Services" folder in Common Files
    XSystemFTPVSENMB.exeMalware (ie, malicious software).  Also changes the system.ini Shell line to read Shell=Explorer.exe VSENMB.exe, and it hacks the Winstart.bat as well
    XSystemEmergency[various filenames]SmartSearch - a CoolWebSearch parasite variant
    XSystemDllSystemDll.exeAdded by the LOXOSCAM TROJAN!
    Xsystemdrvms32sys.exeAdded by an unidentified WORM or TROJAN - most likely GAOBOT variant
    XSystemDebugSysdeb32.exeAdded by the SYSBUG TROJAN!
    XSystemCONF98iSystemCONF98i.exeAdded by the GLITCH BOT TROJAN!
    XSystemCheckerSyschk.exeAdded by the GALIL.F WORM!
    XSystemCheckSystemcheck.exeAdded by the LAVITS WORM!
    ?SystemBootladies.htmUnknown but sounds very suspicious??
    XSystemBootMshta.exe ...filename.htaAdult content dialler
    XSystemBackupMicroLog.exeAdded by the MICROLOG.A TROJAN!
    XSystemBackupmtx.exeAdded by the MTX VIRUS/WORM!
    USystemAgentSage.exe"Microsoft Plus! System Agent automatically tunes your system, performing tasks such as disk optimization and error correction. It can also run any application at prescheduled times"
    XSystemAdministrationWincmp32.exeAdded by the ASYLUM TROJAN!
    XSystem33FB_PNU.EXEAdded by the NICHELLO-A WORM!
    XSystem32ExSystem32Ex.exeAdded by the IRCCONTACT TROJAN!
    XSystem32DllDLL32SYS.EXEAdded by the SPYBOT-CZ WORM!
    Xsystem32.dllsysdll32.exeCoolWebSearch parasite related. Redirecting to wholeworldmarket.com, most likely other domains as well
    Xsystem32.dllsysteminit.exeCoolWebSearch hijacker re-directing to your-search.info
    XSystem32system32,1.exeAdded by an unidentified VIRUS, WORM or TROJAN!
    Xsystem32NeT-BoT.exeAdded by the AGOBOT-LJ WORM!
    XSystem32sysdiag.exeSpyAgent.B spyware
    XSystem32system.exeAdded by the BUSHTRO122 TROJAN!
    XSystem32System32.exeAdded by any number of WORMS or TROJANS!
    XSystem.exeSystem.exeAdded by various WORMS and TROJANS!
    Xsystem...system...exeAdded by the OPTIXPRO.13.C TROJAN!
    Xsystem.system..exeAdded by the OPTIXPRO.13.C TROJAN!
    XSystem-ServiceEXPLORER.SCRAdded by the BENJAMIN WORM! KaZaA file-sharing users beware!
    XSystem-Configmsptmf32.comAdded by the LIOTEN.FA WORM!
    Xsystem xpacdsee demo.exeAdded by the SALGA.A WORM!
    XSystem Uptime ServerSYSENTRY32.EXEAdded by the RBOT.LK WORM!
    XSystem Uptime ServerSYSENTRY.EXEAdded by the RBOT.LK WORM!
    XSystem Updater Servicewmiprvsw.exeAdded by the GAOBOT.AFC WORM!
    XSystem Update2wupdmgr.exeAdded by the AUTOTROJ-C TROJAN!
    XSystem Update2winspool.exeAdded by the AUTOTROJ-C TROJAN!
    XSystem Update2winlogon.exeAdded by the AUTOTROJ-C TROJAN!
    XSystem Update2wininet.exeAdded by the AUTOTROJ-C TROJAN!
    XSystem Update2webcheck.exeAdded by the AUTOTROJ-C TROJAN!
    XSystem Update2taskmon.exeAdded by the AUTOTROJ-C TROJAN!
    XSystem Update2update.exeAdded by the AUTOTROJ-C TROJAN!
    XSystem Update2taskman.exeAdded by the AUTOTROJ-C TROJAN!
    XSystem Update2system.exeAdded by the AUTOTROJ-C TROJAN!
    XSystem Update2svchost.exeAdded by the AUTOTROJ-C TROJAN!
    XSystem Update2services.exeAdded by the AUTOTROJ-C TROJAN!
    XSystem Update2explorer.exeAdded by the AUTOTROJ-C TROJAN!
    XSystem Updatewupdmgr.exeAdded by the SOROMO-A TROJAN!
    XSystem Update[random filename]Added by the KORGO.W or KORGO.X WORMS!
    XSystem Update[filename].exeCoolWebSearch parasite variant
    XSystem Tray32SysTray32.exeAdded by the REPAD WORM!
    XSystem ToolkitSystools.exeAdded by the RONOPER-G WORM!
    XSystem Traymsccn32.exeAdded by the PALYH.A WORM! Warning - spreading via infected E-mail attachments with the sender address faked as support@microsoft.com. Note - this is not the valid SystemTray (SysTray.exe)
    XSystem time updatorCSysTime.exeAdded by the RANDEX.S WORM!
    XSystem TerminalSYSTEM2.EXEAdded by the SPYBOT-BZ TROJAN!
    XSystem StatsSystemStats.exeAdded by a variant of the WOOTBOT WORM!
    XSystem StartupVoltio.exeAdded by the RBOT.NJ WORM!
    USystem startupcharmapx.exeOnly required if using an oriental language
    XSystem Soap Prosoap.exeSystem Soap Pro internet cleaning software. Bundles foistware like HTTPER and Zipclix - best avoided
    Xsystem servicespoolcrv.cplAdded by the INSPIR.11 TROJAN!
    XSystem Servicesystems.exeAdded by the AGOBOT.VZ WORM!
    XSystem ServiceMSREXE.EXEAdded by the AML TROJAN!
    XSystem Restore Data[path] repcale.exe [path] beird.exeAdded by the RANDON.AN WORM!
    XSystem Restoresvcnet.exeAdded by the TIBICK WORM!
    XSystem ProfileRegsrv.exeAdded by a variant of the OPTIX TROJAN!
    XSystem MScvbmscvb32.exeAdded by the SOBIG.C WORM!
    XSystem MonitorSysmon16.exeAdded by the SDBOT TROJAN!
    USystem MonitorSYSMON.EXEComes with some Aopen motherboards. Monitors CPU temp, voltage and fan speed. Warns if any become abnormal
    USystem Mechanic Popup StopperPopupstopper.exeIolo "System Mechanic" popup stopper
    Xsystem managerSystem.exeAdded by the FORBOT-BO WORM!
    XSystem Managersvchost.exeAdded by the BANKER-AE TROJAN! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    XSystem Log Eventcsrss32.exeAdded by the AGOBOT-JI WORM!
    USystem LifeGuard SchedulerSlsched.exeSystem LifeGuard scheduler
    XSystem Initializationpayload.datAdded by the RANDEX.D WORM or ROXY or ROXY.B TROJANS!
    XSystem Information ManagerNavcpe.exeAdded by the SDBOT-QB WORM!
    XSystem Initializationmsmsgri32.exeAdded by the RANDEX.D WORM or ROXY or ROXY.B TROJANS!
    XSystem Host Servicesvchost.exeAdded the the CONE.F WORM! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    XSystem HandlerLSASS.EXEAdded by the NIMOS WORM! Note - this is not the legitimate Lsass.exe system file should normally NOT figure in Msconfig/Startup!
    XSystem File Driversnvsysvc32.exeAdded by the AGOBOT.WJ WORM!
    XSystem Failure Statisticcnstat.exeAdded by the RBOT-LF WORM!
    XSystem Executable DLL LibraryEXECDLL32.exeAdded by the RANDEX.AZ WORM!
    XSystem Efficiency Monitormscommand.exeAdded by the KWBOT.P WORM!
    XSystem driverMessenger.exeAdded by a variant of the SMALL.BJ TROJAN!
    XSystem Efficiency Monitormscedit32.exeAdded by the SDBOT.P TROJAN!
    XSystem Document Applicationnmod.exeAdded by the SDBOT-ABB WORM!
    NSystem DLFcpqdiaga.exeCompaq Diagnostic record system utility which allow you to view information about your computer's hardware and software configuration. Available via Start -> Programs
    XSystem Diagnosticssysdiag32.exeAdded by the SDBOT.GEN TROJAN!
    XSystem Configurationiexplore.exeAdded by the RANDEX.AD WORM! Note - this is not the legitimate Internet Explorer (iexplore.exe) process, which should not appear in Msconfig/Startup unless you add it manually!
    XSystem Config Managercrss.exeAdded by the AGOBOT.GH WORM!
    Xsystem checkupdater.exeUnidentified adware downloader
    USystem CheckRundll32.exe SysDll32.dll, SystemCheckXPCSpy Pro keylogger, surveillance and monitoring software
    XSystem Backupmsystem.exeAdult content dialler
    XSystem CacheSysCache.exeAdded by an unidentified VIRUS, WORM or TROJAN!
    XSystem 64 Driver for Gamessys64dvr.exeAdded by the SDBOT TROJAN!
    XSystem Applications Profilesap.exeAdded by the RBOT-QF WORM!
    XSYSTEMlsas.exeAdded by the SPYBOT.CJ WORM!
    XSystemAtira.exeAdded by the KOTIRA VIRUS!
    Xsystemoutlook.exeAdded by the MIMAIL.Q WORM! Note that Microsoft's outlook.exe resides in the Program Files sub-directory wheras this resides in C:Windows or C:Winnt
    XSystemYPager.exeAdded by the JUNTADOR.K TROJAN! Note - this is not Yahoo! Messenger
    XsystemExplorer.exeAdded by the GRAYBIRD TROJAN! Note - this is located in this is located in C:WindowsSystem (Win9x/Me), C:WinntSystem32 (WinNT/2K), or C:WindowsSystem32 (WinXP) rather than the valid Windows Explorer which is located in C:Windows or C:Winnt
    XSystemdcomx.exeAdded by the CIREBOT TROJAN!
    Xsystemsystemsearch.htaJetseeker.com hijacker
    Xsystemregedit -s system.dllHomepage hijacker
    XSystemsystem.exeAdded by various WORMS and TROJANS!
    XSystemrun322.exeAdded by the LANFILT TROJAN!
    XSYSsfitbSYSsfitb.exeSearchforit browser hijacker
    XSysService32lsystask32l.exeAdded by the THEUG WORM!
    XSysService32ln32k.dllAdded by the KINDAL VIRUS!
    XSysService32SysService32.exeAdded by the KINDAL VIRUS!
    XSysServiceSysService.exeAdded by the DELF family of TROJANS!
    XSysSearchRegedit.exe -s [path] pcsearch.regAdded by the StartPage-FN browser hijacker
    XSysScanbvt.exeAdded by the AUTOUPDER TROJAN!
    XSysresSysres.exeAdded by the LOGMOD TROJAN!
    XSysRegSysReg.exeAdded by the CHEKIN TROJAN!
    XSysRegSysReg.exeSearchSeekFind textual marketing foistware
    XSysRsysmd.exeAdult content based "foistware" (adds hidden components to your system)
    XSysProtectSystem.exeAdded by the NETSPY TROJAN!
    YSysPoolMssvc.exeStealthDisk - hides folders, files and applications. Will also encrypt them for better protection
    XSysPnPrundll32 setupapi, InstallHinfSection.... oemsyspnp.infSearch hijacker - see here
    XsysPnPbootconf.exeHomepage hijacker, redirecting to coolwwwsearch.com; see for example here
    USysPilotfdxxl.exeG Data "PC Spion" - monitoring and surveillance software, captures all users activity on the PC, see here. Disable/remove if you didn't install it yourself!
    Xsyspathdrv.exeAdded by the SOBER WORM!
    XSysOpsSysOpsAdded by the MSNCORRUPT TROJAN!
    XSysMonXPSysMonXP.exeAdded by the NETSKY.Q WORM!
    Xsysnatesysnate.exeAdded by the MEDIAS TROJAN!
    Xsysmonsysmon44.exeAdded by a variant of the BACKDOOR-CBA TROJAN!
    XSysmonrpcmon.exeAdded by the RANDEX.ATX WORM!
    Xsysmonsysmon.exeAdded by the BIZEX WORM!
    USysMetrixSysMetrix.exeSysMetrix - skinnable clock and metering application. It monitors and reports on a great number of statistics
    Xsyslogin.exesyslogin.exeAdded by the BAGZ-B WORM!
    XSyslog ml097eSyslog.exeVariant of the RapidBlaster parasite (in a "Syslog" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    XSyslibSyslib.exeAdult content related downloader trojan
    XSyslog lptt01Syslog.exeVariant of the RapidBlaster parasite (in a "Syslog" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    XSyskeysysinit.exeAdded by the BEAGLE.AX WORM!
    Xsysint16sysint16.exeAdded by the CRYPTER.A TROJAN!
    XSysinolsess.exeAdded by the FORBOT-BF WORM!
    Xsysinitservices.exeAdded by the NEWLFRM-A TROJAN! Note - this is not the legitimate services.exe process, which should not appear in Msconfig/Startup!
    XSysInitwininit32.exeAdded by the XABOT WORM!
    Xsysinfo.exesysinfo.exeAdded by the BEAGLE.V WORM!
    Xsysinfosysinfo.exeAdded by the BEDRILL TROJAN!
    Xsyshelpsyshelp.exeAdded by a variant of the LOVGATE WORM!
    Xsysfilersysfiler.exeAdded by the RETSAM TROJAN!
    Xsysflg32sysflg32.exeAdded by a variant of the CRYPTER.C TROJAN!
    XSysdptsysdpt.exeWin32.Crypt trojan downloader
    Xsysdirwinrun.exeAdded by the WINBUR.B WORM!
    XSysctrlsprocdll.exeAdded by the WEEDBOTZ.14 TROJAN!
    XSysCtlsysctl.exeAdded by the AOK TROJAN!
    XSyscpySyscpy.exeFirewall-bypassing, proxied spam relayer. Detected by Symantec as the HOGLE TROJAN!
    XSysConfigsyscfg35.exeAdded by the KAZMOR.C WORM!
    Xsysconfigiexplorer.exeAdded by the CULT.H WORM!
    Xsysconfigiexplorer.exeAdded by the CULT.C WORM!
    Xsyscon ml097esyscon.exeVariant of the RapidBlaster parasite (in a "Syscon" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    Xsyscon lptt01syscon.exeVariant of the RapidBlaster parasite (in a "Syscon" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    XSyscheckwin.htaBrowser hijacker
    Xsyscheckiexplorer.exeAdded by the AGENT.DM TROJAN!
    XsyscmSyscm.exeVanish adware
    ?SysCompmssdnl.comUnknown but suspect as *.com are not usually run at start up and the name isn't recognized
    Xsyscfg34.exesyscfg34.exeAdded by the ELECTRON WORM!
    Xsyscfgsyscfg32.exeAdded by the KWBOT.S WORM!
    USysbotsysbot.exeSpector - spying (or monitoring) software to record internet activity
    XSysAISysAI.exeAproposMedia adware - also creates SysAI folder in Program Files where the SysAI.exe is also located
    USysAgentSysAgent.exeSYSagent - small utility for retrieving all the hardware and software information required by anyone administering a machine and/or the network it's a part of
    XSysAwin***32.exe [* = random char]EliteBar adware
    Usys32cmdsys32win.exeActive Keylogger monitoring software - also see here. From the Symantec article: "This spyware program must be manually installed. However, there are several known programs that have Spyware.ActiveKeylog within them and that install it as the program itself is installed". Disable/remove if you didn't install it
    Xsys32sys32.exeAdded by the FLUX.E TROJAN!
    XSys RenSysRen.exeUnidentified malware
    XSys29win***32.exe [* = random char]EliteBar adware
    Xsyssysdllwm.regCoolWebSearch parasite variant
    Xsysregedit /s sys.regHijacker
    YSynTPLprsyntplpr.exeSynaptics touchpad driver helper. Required for touchpad features to work
    ?SynSetupSynTP.tmp RunOnce.exeProbably associated Synaptics touchpads on laptops as for the SynTPEnh and SynTPLpr entries but what does it do and is it required?
    USynTPEnhsyntpenh.exeSynaptics touchpad tray icon. Displays status and provides quick launch to touchpad features such as scrolling and tap zones. Required on IBM Thinkpads with UnltraNav (pointstick and touchpad combo) if you don't want to loose the advanced pointstick features such as scroll
    NSynchronization Managermobsync.exeFind more information about its use here
    USync-ItSyncit.exeSync-It - synchronizes the system clock with time servers on the internet
    USyncAgentsyncagent.exeGhost Keylogger (monitoring program). Given a "U" recommendation because it depends if you intentionally installed it. If you didn't treat it as "X" and uninstall or remove
    USync DataHndsync.exePocket Real Estate - mobile synchronization manager
    XSync Serverdrwatsoon.exeAdded by the WATSOON.A TROJAN!
    NSymTray - Norton SystemWorksSYMTRAY.EXEKeeps all System Tray icons for Norton SystemWorks together to reduce clutter. SystemWorks includes Norton Anti-Virus, Norton Utilities and Norton CleanSweep - mentioned elsewhere here. Personally I only have Norton eMail Protect running which doesn't need SymTray
    USymKeepAliveCKA.exePart of Norton SystemWorks 2003 - keeps a dial-up modem connection alive
    XSymAVSymAV.exeAdded by the NETSKY.U WORM!
    XSymantec Security Addonnvsvc.exeAdded by a variant of the AGOBOT/GAOBOT WORM!
    XSymantec Securitysymantec32.exeAdded by the RANDEX.PR or RANDEX.YR WORMS!
    USymantec NetDriver MonitorSNDMon.exePart of Symantec's LiveUpate (eg, Norton). Not required if you run manual upadtes but probably require if you leave them to run automatically. Also, if one runs a small office network and SNDMon is disabled on one of the computers ? then other computers disappear from the network for this computer, including shared devices like printers and scanners. Hence the "U" recommendation
    YSymantec Core LCsymlcsvc.exePart of Norton AntiVirus 2004. What does it do?
    NSymantec Fax Starter Edition PortOLFSNT40.EXEOffers a virtual printer as a fax machine. Can be run via a desktop shortcut
    XSymantec Configuration LoaderccApp32.exeAdded by a variant of the GAOBOT WORM!
    USyGateServicesgserv95.exeSyGate is a useful little program that lets you share an internet connection over an intranet. Is it needed - it saves a lot of headache to just let SyGate load at startup. Available via Start -> Programs
    XSygate Personal Firewall Startservices32.exeAdded by the RBOT-MB WORM!
    XSygate Personal FirewallMcafeeupdate.exeAdded by the RBOT.YN WORM!
    XSygate Personal FirewallSygate.exeAdded by the RBOT-PN WORM!
    XSygate Personal Firewallsysgut.exeAdded by the SDBOT.WM WORM!
    XSygate Personal Firewallsystem32.exeAdded by a variant of the RBOT WORM!
    XSygate Personal FirewallWin32x.exeAdded by the RBOT-KZ WORM!
    XSYDNEY[file path]Added by the SYNEY WORM!
    ?Sxplogsxpstub.exePart of CA Unicenter Software Delivery - manage software across various systems, from desktops and servers to PDAs and mobile phones, in a controlled and standardized way - is it required at startup?
    ?SxgTkBarsxgtkbar.exeYamaha SXG soundcard driver
    ?SXGDSENUsxgdsenu.exeYamaha SXG soundcard driver
    NSWTrayV4SWTrayV4.exeMS SideWinder game controller system tray icon. This is specific to version 4 of the software. Available via Start -> Programs
    NSwTraySWTRAY.EXEMS SideWinder game controller system tray icon. Available via Start -> Programs. May have the version number after it
    Xsws.exe[random filename]Haldex type adult content dialler
    NSwitchboard.com ToolbarAtHoc.exeToolbar for the on-line version of Yellow Pages in the US - Switchboard.com
    XSwimSuitNetworkSwimSuitNetwork.exeAdvertising spyware
    USwitch Offswoff.exeSwitch Off - tray-based system utility that can automatically perform various frequently used operations like shutdown or restart your computer, disconnect your current dialup connection, lock workstation, etc
    XSwf32_backup.exeAdded by the SYMTEN WORM!
    XSwf32AVupdate.exeAdded by the MERKUR WORM!
    YSweep95ICLOAD95.EXEPart of Sophos ant-virus sofware
    NSWdwinwd.exePC Security from Tropical Software - lock files, password protect, etc
    XSWCallerSWcaller.exeHomepage hijacker - see here
    XSWCallerSwcaller2.exeHomepage hijacker - see here
    NSwap Nutjavaw.exeSwapNut is a peer-to-peer file sharing and searching utility developed and marketed by File Metrics, Inc. Users can search for and find almost any type of digital file (audio, video, photos etc.) through a secure peer-to-peer network
    XSVX Control Servicesvxhost.exeAdded by the FORBOT-K WORM!
    Xsvwin32unninst32.exeAdded by the AGOBOT-NF WORM!
    Xsvshostdriversvshost.exeAdded by the SDBOT-HN TROJAN!
    Xsvshost32msgrsv32.exeAdded by the RANKY.AJ TROJAN!
    Xsvrrunsvrrun.exeAdware hailing from Deskwizz.com
    Xsvshostsvshost.exeAdded by an unidentified VIRUS, WORM or TROJAN!
    ?SVM Popsvmpop.exe??
    ?SVIDC32MSVIDC32M.exe??
    XSvhost Loadersvshost.exeAdded by the AGOBOT.G WORM!
    XSVHOSTsvhost.exeAdded by the MYDOOM.I WORM!
    Xsvcwinprocess32[path to worm]Added by the UPERING WORM!
    Xsvchostrsvchostr.exeAdded by an unidentified WORM or TROJAN!
    Xsvcinfosvcinfo.exeAdded by the CRYPTER.A TROJAN!
    XSvcHost32svchost32.exeAdded by the MIMAIL.I or MIMAIL.J WORMS!
    Xsvchost64svchost64.exeAdded by the SDBOTER.G VIRUS!
    Xsvchost.exesvchost32.exeCoolWebSearch parasite related. Note - this is not the valid svchost.exe as described here
    Xsvchost1svchost1.exeAdded by the AGOBOT.ZZ WORM!
    XSvchostsvchosl.pifAdded by the INZAE.A or INZAE.B WORMS!
    Xsvchost[path] SETUP.EXEAdded by the SETCLO WORM!
    XSVCHOSTvar.txt.exeAdded by the LDPINCH.C TROJAN!
    XSvchostsvchost.exeAdded by the MOXE-A WORM! This is not the valid svchost.exe as described here
    XSvchostwinhost.exeAdded by the LOLAWEB.A TROJAN! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    XsvchostADMAGIC.EXEAdded by the SMIBAG WORM! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    Xsvchost[path to trojan]Added by the HAZZER TROJAN! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    XsvchostSvch0st.exeAdded by the GRAYBIRD TROJAN! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    XSVCHOSTmrowyekdc.exeAdded by the GOTORM WORM!
    Xsvchostsvchost.exeAdded by the MORB WORM or TARNO TROJAN! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    XSVCHOSTsvchost.exeSystem1060 homepage hi-jacker. Found in a WindowsSystem1060 directory. Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    XsvchostSvch0st.exeAdded by the GRAYBIRD.B TROJAN!
    XSvcH0stmsexploren.exeAdded by the BACKDOOR-CGZ TROJAN!
    XSvcedSvced.exeAdded by the DELF.F TROJAN!
    XSVC Socksmstaskm.exeCoolWebSearch parasite variant
    XSVC Servicesvcpack.exeCoolWebSearch parasite variant
    XSVC Servicesvcinit.exeAdded by the SINIT TROJAN!
    XSVC Servicesvcinit.exeCoolWebSearch parasite variant
    XSVA PlayerSVAplayer.exeQuickFlicks Streaming Player - regarded as spyware. See here for details of how to disable or uninstall it
    XSvcsvc.exeHijacker, Clientman parasite variant, redirecting to madfinder.com. Detected by Symantec as the MADFIND TROJAN!
    XSustemUpdateexplorer.exeAdded by an unidentified VIRUS, WORM or TROJAN! Note - this is not the legitimate Windows Explorer (explorer.exe) which would only be in startups if you added it manually
    XSustemexplorer.exeAdded by an unidentified VIRUS, WORM or TROJAN! Note - this is not the legitimate Windows Explorer (explorer.exe) which would only be in startups if you added it manually
    XSuspSusp.exeTransponder based malware by abetterinternet.com
    ?Surveysasurveysa.exeFound in the SonyVaiosurvey directory on a Sony Vaio PC. What does it do and is it required?
    XSursawab.exePurityScan/Clickspring adware
    USurfStreamSurfStream.exeConceiva "SurfStream lets you surf the Web faster. It contains a fully featured proxy server that lets you surf the Web significantly faster. It also blocks all pop-up windows and banner ads from Web pages. An intelligent tune-up tool automatically analyzes and optimizes your computer's Internet connection and TCP/IP settings"
    XSurfSideKick 2Ssk.exeSurfSideKick adware
    USurfSecretss2-full.exe"House-cleaning utility that enables you to keep your computer usage to yourself. Runs quietly from the system tray, eliminating tell-tale files at a regular interval of your choosing. You can set it to clear your Internet cache files, cookies, history, temp folder, etc. It can also clear the history of your Run and Find menus, in addition to the AOL cache"
    USurfinGuard Prowinsfcm.exeSurfinGuard Pro - internet protection software
    XSurfer ml097esurfer.exeVariant of the RapidBlaster parasite (in a "mssurfer" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    XSurfer lptt01surfer.exeVariant of the RapidBlaster parasite (in a "mssurfer" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    USurfChoiceSCMan.exeSCMan is a utility that can control services on WinNT from the command line. This utility can create, start, pause, stop, delete services. Furthermore it can retrieve a service's current state, get the displayname for a service and vice versa
    USureshotpopupkillerStopthepop.exeStop-the-Pop-Up popup blocker
    USureCleanProfessionalSRClean.exeSureClean PC and Internet tracks cleaner
    Xsupporter5supporter5.exePart of eScorcher anti-virus software- responsible for updates of new virus bases each time you logon to the web. Used to collect information about the user and therefore treated as spyware - now the web-site is dead
    XSupervisor.exeSupervisor.exeHas been reported to be associated with various antitrojan software like ATS and PC Doorguard. If so it's required in Startup - any further information is welcome
    USuperSpamKiller ProSsk.exeSuperSpamKiller Pro email spam blocker
    Xsuperslutmsslut32.exeAdded by the SLUTER-A WORM!
    XSupernova[worm filename]Added by the SURNOVA (or SUPOVA) WORM!
    USuperCool Compress BackupMain.exe"SuperCool Zip Backup software is a data backup,restore and file synchronization program"
    USuperAdBlockerSAdBlock.exeSuperAdBlocker
    USupercleanerSupercleaner.exeSupercleaner - all in one disk cleaner for your computer
    USuper Popup Blockerpopkill.exeSaga Super Popup Blocker - pop-up stopper
    NSupastatusstatus.exeSupanet ISP software
    ?SupaDialSupaDial.exeSupaNet.com modem driver related - is it required?
    USunkist2kshwicon2k.exeCard reader for memory cards from digital cameras, etc
    USunkistshwicon98.exeCard reader for memory cards from digital cameras, etc
    NSunJavaUpdateSchedjusched.exeChecks with Sun's Java updates site to see if newer Java versions are available. Visit http://java.sun.com or just run the Java Plug-In Control Panel
    XSULFNBJ.EXESULFNBJ.EXEAdded by the PE_MAGISTR.DAM VIRUS!
    USuitcase StartupSuitcase.exeSuitcase. System font manager start up utility. Used for dynamic managment of fonts on your system
    NSubtract the AdsAdSub.exeRemoves adverts from web pages. Although useful - not required
    XStubPathSservice.exeAdded by the PRORAT TROJAN!
    UStyleXPStyleXP.exeStyleXP allows you customize the way WinXP looks. If disabled via msconfig it re-instates itself at reboot, therefore uninstall it if you don't want it
    XStrng32strngbox.exeAdded by the STRANO WORM!
    ?STPMGRSTPMGR.EXEPart of SafeTP which is transparent FTP security software. Does it need to be running permanently or can it be started manually via Start -> Programs
    UStorageGuardsgtray.exeStorageGuard from Veritas. Free utility that integrates with Backup MyPC (formerly Backup Exec Desktop), Simple Backup and MS Backup. Provides system tray access and background monitoring - warning you of files that haven't recently been backed up. Required unless you backup manually on a regular basis or have scheduled backups 
    USTOPzilla ServiceSZNTSVC.EXEStopZilla! - pop-up killer
    USTOPzillaStopzilla.exeStopZilla! - pop-up killer
    NStopSignStatusstopsinfo.dll", VerifyStatuseAcceleration Stop-Sign related - not recommended, see note
    Xstmhawkfxi.jsAdded by the SPETH WORM!
    Xstlbupdtrundll32.exe stlbupdt.DLL, DllRunMainBrowserAid/Startium parasite
    NSTManagerdrst.exeDr. SpeedTouch is some sort of diagnostics software which sends out information to a server which then relays the information back to the program to test the network to see if the SpeedTouch ADSL modem connection is working properly. Not required if connected via Ethernet (and probably USB). Can cause a slow down in Win2K - see here
    Xstlbdistrundll32exe stlbdist.DLL, DllRunMainHijacker pointing to www.searchandclick.com
    UStillImageMonitorStimon.exeStimon.exe enables a USB still-image device (such as a scanner) to initiate data transfer to a program. For example, if your scanning device has a scan button, it may start a program and begin scanning when you press it. Create a shortcut and start it manually when needed if your scanner otherwise fails to scan. May be required for your USB scanner to work - including all HP scanners and some of their SCSI scanners
    NStickyNoteStickyNote.exeUtility that allows you to put yellow "Post-It" type messages on your desktop. Available via Start -> Programs
    NSticky Notesstikynot.exeMicrosoft Sticky Notes - virtual sticky notes tool
    NStickiesSTICKIES.EXEStickies - utility that allows you to put yellow "Post-It" type messages on your desktop and can be used to set reminders. Available via Start -> Programs
    NSteamsteam.exeValve Software's STEAM broadband game client. Steam is Valve's new way of getting games into your hands ASAP. Games like Half-Life, Counter-Strike, and Counter-Strike: Condition Zero are all being made available through Steam. Steam games are automatically kept up-to-date with the latest content and revisions. Steam also includes an instant-message client which even works while you're in-game
    UStealth Anonymizer 2.5stealth25.exeNow named Stealther - proxy server agent that lets you travel the Internet with maximum possible privacy
    XSTCLOA~1stcloader.exePopup adware by 2ndThought software
    XSTCLOA~1STCLOA~1.exePopup adware by 2ndThought software
    YSTCPOSTCPO.exeSophos Sweep antivirus software
    XstcloaderSTCLOA~1.exePopup adware by 2ndThought software
    Xstcloaderstcloader.exePopup adware by 2ndThought software
    Xstcinstallerid53.exeAdded by the SCTHOUGHT.L TROJAN!
    ?STBVisionSTBVisn.exeRelated to the STB Velocity graphics card. What does it do and is it required?
    NSTBWEBTVSTBWEBTV.EXEUsed to display TV on your PC
    UStayAlivesa.exeStayAlive from TFI Technology. "This top-notch tool intercepts crashes when they happen, keeping your programs running so you can save your work."
    NStay Connected!StayCon.exeMore than just a pinger, actually simulates online activity. Supports AOL, NetZero, MSN, ATT WorldNet, CompuServe and many other ISPs as well. Available via Start -> Programs
    ?StatusClient 2.6StatusClient.exePart of Hewlett Packard network printer drivers.
    NStatus Monitor XEENGSS.EXEThe Xerox Document WorkCentre XE Series Status Monitor displays information about your printer and currently active or waiting print jobs. You can use it to control your printing environment and manage your printing operations. Available via Start -> Programs
    NStatus MonitorBrMfcWnd.exeBrother scanner status monitor - can be started manually
    XStatBarSTATBAR.exeStatBar (system status bar) allows you to quickly get an overview of your system's condition (memory, CPU, uptime, and much more). Due to the sheer number of resources (over 60%) consumed by this program, it is unsuitable for Windows 95/98/SE/Me
    NStat 'n' PerfStatnPerf.exeStat 'n' Perf monitors your internet connection and displays information about sent and received bytes
    UStartupMonitorStartupMonitor.exeMike Lin's StartupMonitor, throws up an alert and asks your permission every time any change is made to your start-up configuration, either in the registry or start menu
    Xstartwindowskeyuserrundle2.exeAdded by the JAVAKILLER TROJAN!
    ?Startup Launcher GUIGUI.exeStartup manager?
    XStartup UpdateCvshost.exeAdded by the GAOBOT.AO WORM!
    NStartup??Related to an Iomega drive
    UStartSurfingSTARTS.exeStart Surfing allows you to protect your privacy while surfing and searching the Internet by acting as a "filter" between you and the website you are visiting. Startsurfing acts as your shield from Pop Up Windows, Mouse Traps, Window Resizing, and scripts that attempt to record your personal information. Available via Start -> Programs
    Xstartpagestartpage.exeBrowser hijacker - redirecting to pages2start.com
    UStartStopSTARTSTOP.EXEStartStop from TFI Technology - startup manager
    XStartMenus_menu.exeAdded by a variant of the DELF-A TROJAN!
    Nstartl.exestartl.exeLingocom LingoWare - translates any application into your language
    XStarterscvhosting.exeAdded by the SDBOT.RU WORM!
    Xstarterscvhosting.exeAdded by the IRCBOT.E TROJAN!
    YStartEAKStartEAK.exeEasy Access Button Support for Compaq PCs. Required if you use these
    NStart Wingman Profilerlwemon.exe???Logitech Wingman software required to operate Logitech joysticks and gamepads.  Unless you're a hard-core gamer, it's best to leave it unchecked
    UStartaccstartacc.exeLaunches Webroot's Accelerate 2000 software that "speeds up your Internet connection by up to 300%". Leave enabled if you find it improves internet connection
    NStart Wingman Profilerlwtest.exeLogitech Wingman software required to operate Logitech joysticks and gamepads.  Unless you're a hard-core gamer, it's best to leave it unchecked
    XStart Uppingssvcchosts.exeAdded by the SDBOT.VY WORM!
    XStart Uppingtaksmgr.exeAdded by the RBOT-QK WORM!
    XStart UppingSVCHOSTES.EXEAdded by the RBOT-NB WORM!
    XStart Uppingtaskmrg.exeAdded by the RBOT-MA WORM!
    UStart Up Copstartcop.exeStartUp Cop - startup manager
    UStart Serviceupssrv.exeCyber Power PowerPanelPlus software. "In the event of a power outage, PowerPanelPlus Software automatically saves and closes all open files, and then shuts down the computer system in an intelligent and orderly manner"
    YStart RF Wireless Mousecm20.exeYuanxun Electronics RF wireless mouse driver
    YStart RF Wireless Keyboardktrexe.exeYuanxun Electronics RF wireless keyboard driver
    XStart Pagehttp://find.naupoint.comNaupoint browser hijacker
    ?startstart.exe??
    NStart Getrightgetright.exeSee Getright Tray Icon
    XStartwindows.vbsHomepage hijacker
    YStartQuick95.exeFor a Nisis G6 USB Graphics Tablet. Re-enables itself if disabled therefore best left alone
    NStacmonStacmon.exeInstalled with the drivers for a SigmaTel C-Major Audio card (on a Dell Inspiron 600m PC for example). Appears as though it can be disabled with no ill effects
    XSSWPlaunchercomet.exe /app:SSWPlauncherCometCursor by Comet Systems
    Xssvchostssvchost.exeAdded by the HELIOS.B TROJAN!
    XSSUpdateSSUpdate.exeDyFuCa/MoneyTree parasite variant
    Xsstatadwdas.exeAdded by the DASDA TROJAN!
    Nsstraysstray.exenVidia nForce Taskbar Utility - quick access to the nForce2 "Sound Storm" control panel and related utilitys
    Ussmmgrssmmgr.exeSamsung printer monitor - for checking ink levels, etc.
    XSSLsvchost.exeAdded by an unidentified VIRUS, WORM or TROJAN! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    XSSK Servicewinssk32.exeAdded by the SOBIG.E WORM!
    Xssgrate.exewinerdir.exeAdded by the MITGLIEDER.O TROJAN!
    Xssgrate.exesysdoor.exeAdded by the MITGLIEDER.N TROJAN!
    Xssgrate.exeirun4.exeAdded by the MITGLIEDER.F TROJAN!
    Xssgrate.exeirun.exeAdded by the MITGLIEDER.D TROJAN!
    Xssgrate.exesystem.exeAdded by the MITGLIEDER.C TROJAN!
    ?ssdiagssdiag.exeEquinox "Configuration and DOS Diagnostic for DOS and Windows platforms"
    NSSDPSRVssdpsrv.exeSimple Service Discovery Protocol (SSDP) and General Event Notification Architecture (GENA) services for network plug and play functionality. Starts up a web server on port 5000. Used by Universal Plug and Play (for network device discovery). To remove this program, open Add/Remove Programs, select either Communications (Me) or Networking Services (XP), and remove the checkmark next to Universal Plug and Play
    ?SSC_UserPromptUsrPrmpt.exePart of Symantec (Norton) Security Centre. What does it do, and is it required?
    YSsdStd.exeStealthdisk - file and folder hiding/locking utility
    Xssate.exewinsys.exeAdded by the BEAGLE.K WORM!
    NSSBkgdUpdateSSBkgdupdate.exeScanSoft OmniPage auto updater. Can be disabled using the main program's options
    XSrv32Winsysdiag.exeNetVizor keystroke logger
    Xssate.exeirun4.exeAdded by the BEAGLE.J WORM!
    USrv32WinSvchost.exeRealtime-Spy keylogger (monitoring program). Given a "U" recommendation because it depends if you intentionally installed it. If you didn't treat it as "X" and uninstall or remove
    USrv32WinSpyAgent4.exeSpyAgent - monitoring software that creates records of everything people do on a computer, ie, spying or monitoring depending upon how you call it
    XSrv32Old[worm filename].PIFAdded by the OPASERV.J WORM!
    XSrv32Srv32.exeAdded by the OPASERV.S WORM!
    XSrv32Srv32.exeAdded by the OPASERV.J WORM!
    XSrv RPCromNClienti386.exeAdded by the WATSOON.A TROJAN!
    YSRS AppletSrsTray.ExeS3 Sonic Vibes sound card drivers - if disabled you loose sound
    USRP Startupsrrpro.exeSystem Restore Remover Pro allows you to safely and easily remove System Restore and various other Windows Millennium "features." This is enabled if you tick the "Remove unnecessary System Restore information on startup" box. Available via Start -> Settings -> Control Panel
    XSRNGsrng.exeSearch hijacker - see here
    XSrchfstUpdatesrchupdt.exeSearchFast adware downloader
    USrmcleansrmclean.exeSrmclean helps in the installation and execution of the SoundMax SoftPaq for Compaq/ADI SoundMax Integrated Digital Audio. According to Compaq - "If you disable the entry from loading into startup, then you will not be able to use the features of the sound card"
    Xsr64********. exeAdware, as yet unidentified
    ?sr1exeupdtSup3.exeFound on a Dell computer, in a Documents and SettingsAll UsersApplication DataDellAlert2 subfolder
    Xsqvynikpsqvynikp.exeFree_Scratch_Cards foistware
    NSQL Serverscm.exeSQL Server Service Control Manager. Available via Start -> Programs
    XSQUpdatesCheckeruc.exeXupiter SQWire variant - adware and homepage hijacker. Note - cannot be removed via the Xupiter website in the same way as other Xupiter variants
    XSQInstallerSQInstaller.exeXupiter hijacker
    XSQConfigCheckercc.exeXupiter SQWire variant - adware and homepage hijacker. Note - cannot be removed via the Xupiter website in the same way as other Xupiter variants
    USPYWATCHSpyWatch.exe

    BPS Spyware Remover - reportedly uses an old, "borrowed" SpyBot database. Read this and this. Do not support these guys!

    XSpywareGuardPluswinmm64.exeStartPage.ht homepage hijacker
    NSpywareKillaSpywareKilla.exeSpyware remover of ill repute. For more info about it do a search for 'SpyareKilla' at this web page on "Rogue/Suspect Anti-Spyware Products & Web Sites"
    XSpywareguard ml097eSpywareguard.exeVariant of the RapidBlaster parasite (in a "Spyguard" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    XSpywareguard lptt01Spywareguard.exeVariant of the RapidBlaster parasite (in a "Spyguard" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    XSpywareGuardwinproc32.exeStartpage adware Trojan
    XSpyware VanisherFreeScanner.exeSpyware remover of dubious repute, see this list of Rogue/Suspect Anti-Spyware Products & Web Sites
    USpywareGuardsgmain.exe

    "SpywareGuard provides a real-time protection solution against spyware"

    XSpyware SlayerSpywareSlayer.ExeSpyware remover of dubious repute, see this list of Rogue/Suspect Anti-Spyware Products & Web Sites
    NSpyware StormerSpywareStormer.ExeSpywareStormer spyware remover. Not recommended - see here
    USpyware ScannerAseScanner.exeAluria Software's spyware removal tool - we can't really recommend this product as Aluria have recently partnered with WhenU, the well known adware company, see here and here
    XSpyware removerRemove_spyware.exeUnidentified, but not known to belong to any known spyware remover, and strongly suspected to be adware related!
    XSpyware Nuker InstallerSpywareNukerInstaller.exe

    A "spyware removal program" by TrekBlue, which is being heavily advertised through junk e-mail from its affiliates and misleading fake-dialogue-box web advertising. This is the same company as E-mail marketers ?TrekData? and ?Blue Haven Media?, who distribute spyware through ActiveX drive-by-download on web pages

    USpyware Guard Control Panelspywar~1.exe

    "SpywareGuard provides a real-time protection solution against spyware"

    USpyware Doctorspydoctor.exeSpyware Doctor spyware remover
    NSpyware Begonefreescan.exeSpyware BeGone - free spyware removal utility. Not recommended - see note
    NSpyware BegoneSpywareBeGone.exeSpyware BeGone - free spyware removal utility. Not recommended - see note
    XSpywareSpyware.exe

    BPS Spyware Remover - reportedly uses an old, "borrowed" SpyBot database. Read this and this. Do not support these guys!

    USpySweeperSpySweeper.exeSpy Sweeper - detects and removes spyware
    USpySubtractSpySub.exeSpySubtract - multi spyware removal tool
    USpyStopperspystopper.exeSpyStopper - blocks intrusive spyware, Web bugs, worms, scripts, advertisements, and cookies. Protects you from being profiled and tracked
    NSpySpotterSpySpotter.exeSpyware remover of dubious repute, see this list of Rogue/Suspect Anti-Spyware Products & Web Sites
    USpykillerSpykiller.exeShareware "Spyware remover" of questionable quality and repute. There are better alternatives that are freeware to boot
    XSpyNukerSpynuker.exeA "spyware removal program" by TrekBlue, which is being heavily advertised through junk e-mail from its affiliates and misleading fake-dialogue-box web advertising. This is the same company as E-mail marketers ?TrekData? and ?Blue Haven Media?, who distribute spyware through ActiveX drive-by-download on web pages
    USpyCop ScanCheckMAIN.EXESpyCop surveillance software detection - checks to see when your machine was last scanned and if it was more than a week asks if you want to scan
    NSpyHunterSpyHunter.exeSpyHunter - spyware remover of somewhat dubious repute, see note
    XSpybott ml097espybott.exeVariant of the RapidBlaster parasite (in a "Spybott" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    XSpybott lptt01spybott.exeVariant of the RapidBlaster parasite (in a "Spybott" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    USpyBotSnDSpybotsd.exeSpybot - Search & Destroy - free multi-spyware removal tool from Patrick Kolla
    USpybotSD TeaTimerTeaTimer.exeTeaTimer is a new tool of Spybot S&D - spam filter which perpetually monitors the processes called/initiated. It immediately detects known malicious processes wanting to start and terminates them giving you some options, how to deal with this process in the future
    XSpyBlocsSpyBlocs.exeRogue anti-spyware program
    XSpyBlastSpyBlast.exeSpyware killer that is in effect autoinstalled foistware, targeted by SpyBot, among others
    USpy Blockerspyblocker.exeSpyBlocker blocks the communications of spyware installed on a PC so spyware runs but can't exchange data with the server to which it should report. Ensuring spyware can't communicate is important, as you may find after using Ad-Aware that some applications containing spyware subsystems may not run correctly or at all
    ?spstorestoresp.exeSoftprobe - program designed to provide managers with an analysis of an individuals computer use who are under their supervision. This program is NOT related to Winpup
    USPSTEALTSmartProtectorPro.exeSmart Protector Pro - internet privacy tool that erases tracks, MRU lists, etc
    ?SprintPortSprintPortA.exeNovatel wireless modem related. What does it do and is it required?
    ?sppbridgesppbridge.exeAssociated with an Anycom bluetooth wireless card on laptops - used for printing to portable printers for example. Is it required or can it be started manually? 
    ?SPPrun.exe??
    Xsppregedit -s spp.regIE search hijacker - changes the default search to http://www.hotsearchbox.com/ie/
    Xspoolsvvspoolsvv.exeSearchcentrix hijacker
    Xspoolsvr32csmss.exeAdded by the AGENT-AU TROJAN!
    XSpoolServicespolsv.exeAdded by the AGOBOT-CS WORM!
    XSpoolsvSpoolsv.exeAdded by the CIADOOR.121 VIRUS! Note - "Spoolsv.exe" is located in the Windows or Winnt directory, and not in System32, like the legitimate Spoolsv.exe system file
    Xspoolservspoolserv.exeAdded by the SDBOT-PN WORM!
    XSpoolerSubSystemProcessSpooI32.exeAdded by the EHKS.21 keylogger! Note - the "I" between "o" and "3" is a captial "i" not a lower case "L"
    XSpooler Subsytem Appspoolsvc.exeAdded by the SDBOT-MM WORM!
    XSpooler Sub System ProcessSPOOL32.EXEAdded by the YAB.A TROJAN!
    XSpooler ServiceSpoolsrv.exeAdded by the JOINER.C1 TROJAN!
    XSpool ml097espool.exeVariant of the RapidBlaster parasite (in a "spool" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    XSpool lptt01spool.exeVariant of the RapidBlaster parasite (in a "spool" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    XSPOOL Configurationspoolsvc.exeAdded by the SDBOT-KD WORM!
    Xspoo1svspoo1sv.exeAdded by the SOULJET TROJAN!
    XSPntSPnt.exePremium rate adult content dialler
    USpokeSysTraySpokeSysTray.exeSpoke Software client application. Spoke "uses data in your e-mail and other enterprise information systems to discover the existing relationships of people in your enterprise. It then builds a private, secure relationship network for each user without any additional manual data entry"
    XSPINXWscript.exe OXNEY.B.VBSAdded by the YENO.B and YENO.C WORMS!
    NSpinner Plusspinner.exe"Spinner Plus lets you listen to over 100 channels of music broadcast from Spinner.com. Spinner Plus uses RealNetwork's G2 technology to provide high-quality online audio. The technology adjusts the audio streaming to match your Internet connection speed, which helps eliminate sound distortion or choppiness". Available via Start -> Programs
    YSpIDerMailspiderml.exeDrWeb antivirus Spider Mail e-mail scanner
    NSpellex Anywheresa.exeSpellex-Anywhere - adds spell checking functionality to almost any Window program. Create a shortcut and run manually before it's to be used
    XSpees3SPEEDY.PIFAdded by the OPASERV.AD WORM!
    XSpees2Speedy.batAdded by the OPASERV.AD WORM!
    XSpees1speedy.scrAdded by the OPASERV.Y WORM!
    USpeedtouch USB DiagnosticsDragdiag.exeFor an external Alcatel ADSL high-speed modem. A diagnostic tool and can be run from the Start menu when required. The only reason it might be useful on startup is if you like seeing an 'at-a-glance' status indicator on the taskbar (the icon is a different colour depending on the status of the device/line)
    USpeedOptimizerspo.exeSpeedOptimizer is designed to optimize and speed-up your Internet data transmission including browsing, streaming, downloading, uploading and e-mail communication
    USpeedkeySPEEDKEY.EXEAdditional keyboard shortcuts on MS programmable keyboard
    USpeedMeterSpeedMeter.exeApplication measuring upload and download speed
    XSpeedBoss[worm filename]Added by the OPASERV.AD WORM!
    NSpeed racerCTSRReg.exeSoftware for a Creative sound card
    USpeed Tecspeedtec.exeAccel SpeedTec from Montana Software speeds up your modem. SpeedTec modifies the Internet Protocol settings in the Windows registry to speed downloads on all modems. If you find this improves your connectivity and download speeds leave this enabled
    XSpecialOffersSpecialOffers.exeSpecialoffersnetworks.com adware. "Special Offers is a state of the art advertising product that delivers to you contextually relevant web offers including discounts and coupons"
    XSpecialOffersSpecialOffers*.exe [* = digit]Specialoffersnetworks.com adware. "Special Offers is a state of the art advertising product that delivers to you contextually relevant web offers including discounts and coupons"
    XSpecial Firewall Serviceavguard.exeAdded by the NETSKY.G WORM!
    NSpdstartSpdstart.exeNorton Utilities Speed Start. "This feature optimizes the start up speed of launching applications, such as Word and Excel."
    USpeaking Clock DeluxeSpClDlx.exeSpeaking Clock Deluxe - turns your computer into a speaking clock with several languages. It can also keep track of up to 50 alarms that can be set to a time and a date, and be repeated daily, weekly, monthly and yearly
    Nspc_whcm.exeNetZero Search related
    USpamSubtractSpamSubtract.exeIntermute SpamSubtract - junk email detection and removal program
    USpamPalspampal.exeSpamPal - anti-spam tool
    Uspamihilatorspamihilator.exeSpamihilator - spam filter
    USpam SleuthSpamSleuth.exeSpam Sleuth E-mail spam detection program
    USP TimeSyncSP TimeSync.exeSP TimeSync lets you synchronize your computer's clock with any Internet atomic clock (time server)
    XSP00LSVSp00lsv.exeAdded by the GRAYBIRD.E TROJAN!
    Xsp2ctrsp2ctr.exeAdded by the DLUCA-M TROJAN!
    Xspregedit-s .... sp.dllMalicious javascript annoyance that changes the default search engine in IE to one of many including "topsearcher". See here for more and a fix
    Xspsp.regIE search hijacker - changes the default search to http://www.gocybersearch.com/
    NSourcePathgwreg.exeUsed to update Gateway registry settings for System Restoration Kit and Web update programs
    Xsounoftssounofts.exeAdded by the AGOBOT-ND WORM!
    XSoundViewmsdview32.exeTrojan downloader
    Xsoundtctrlssoundtctrls.exeAdded by the AGOBOT-ZV WORM!
    Xsoundtaskssoundtasks.exeAdded by a variant of the CRYPTER.C TROJAN!
    XSoundmxSoundmx.exeCoolWebSearch parasite variant
    USoundMAXPnPSMax4PNP.exeSoundMax integrated sound. Required if you have custom settings for your sound, such as effects and environments
    NSoundMAXSMax4.exeSystem Tray icon for SoundMax integrated sound. Sound properties can be accessed through the Start Menu or Control Panel
    Nsoundmansoundman.exeSystem Tray icon for the Realtek AC97 Audio Sound Manager for AC97 onboard audio. Available via Start -> Settings-> Control Panel
    ?SoundFusionrundll32 hercplgs.cpl, BootEntryPointControl panel item for Hercules Fortissimo soundcards (Start -> Settings -> Control Panel) based upon a Cirrus Logic "SoundFusion" DSP. Does it need to run at start-up every time?
    ?SoundFusionrundll32 cwcprops.cplControl panel item for the Terratec DMX Xfire 1024 soundcard (Start -> Settings -> Control Panel) based upon a Cirrus Logic "SoundFusion" DSP. Does it need to run at start-up every time?
    Xsounddrvsndbdrv3104.exeCoolWebSearch parasite variant
    XSound SystemWinSound1.exeAdded by an unidentified VIRUS, WORM or TROJAN!
    Xsoundcontrlsoundcontrl.exeAdded by the GAOBOT.AFJ WORM!
    XSound servicesSOUND32.EXEAdded by the AGOBOT.GG WORM!
    XSound Loadersndloader.exeAdded by the AGOBOT-BV WORM!
    ?SoSyncMonitorSoSyncMonitor.exeSuperOffice related. What does it do and is it required?
    XSOSSOS.exeAdded by the PHILIS VIRUS!
    ?Sootrcea.exe??
    ?sophagntsophagnt.exePossibly related to Sophocles Screenwriting Software?
    ?SonnRegSonnReg.exePart of E-Color 3Deep for color calibration. Possibly a registration reminder?
    NSoniqueQuickStartsqstart.exeQuickstart for Sonique audio player. Available via Start -> Programs
    Xsomaticsomatic.exeSearchcentrix hijacker
    NSonic A3D Controlvrtxctrl.exeSound related options
    USoloScheduleSolocfg.exeScheduler for Solo Antivirus. Leave enabled unless you scan manually on a regular basis
    YSolo SentrySolosent.exeSolo Antivirus
    XSoftwaresoftware.exeAdded by the CRABTON-B TROJAN!
    YSOFTinstN/AFor Gilat Communications internet satellite systems. Gilat rescue (Satellite system restore). Required if you have this system. Can cause a BSOD (blue screen of death) if left out
    XSoft Profile Inchxdef.exe...Added by a variant of the LOVGATE WORM!
    NsofficeSOFFICE.EXEDisplays StarOffice quick start applet in System tray. Right clicking on the icon allows rapid starting up of components of the StarOffice 6.0 suite. Available via Start -> Programs. Automatically started when any StarOffice 6.0 component is started from the Start -> Programs. A resource hog (it eats > 16 MB of memory).
    YSoDA StartupSodaStartup.exeUsed by the Rational SoDA project management tool. Unsure of it's actual purpose but it's recommended you leave it enabled if you use the software
    XSock32sock32.exeAdded by the SDBOT TROJAN!
    XSoarRwon.exePurityScan/Clickspring adware
    ?SO5 Integrator Pass Twosointgr.exeStarOffice 5. See here for more details
    ?SO5 Integrator Pass Onesointgr.exeStarOffice 5. See here for more details
    NSnsiconSnsicon.exeLaunches a screensaver program from Second Nature
    ?sndsrvcSNDSRVC.EXEPart of Norton Personal Firewall and Norton Internet Security - what does it do and is it required?
    XSndsaverSndsaver.exeAdded by the GEMA TROJAN!
    USNDMonSNDMon.exePart of Symantec's LiveUpate (eg, Norton). Not required if you run manual upadtes but probably require if you leave them to run automatically. Also, if one runs a small office network and SNDMon is disabled on one of the computers ? then other computers disappear from the network for this computer, including shared devices like printers and scanners. Hence the "U" recommendation
    XSndcompatSndcompat.exeAdded by the GEMA TROJAN!
    Xsncntrsncntr.exeAdult content dialler
    ?snbrsnbr.exe??
    ?SmWizardSmWizard.exeSmartWizard MFC Application - associated with C-Media who produce audio chipsets commonly used for on-board sound on motherboards. What does it do and is it required?
    Xsmsysvi.exeAdult content dialler
    NSMToolbarSMToolbar.exeStartMake.com toolbar
    XsmsysExplorer.exeAdded by the CLICKER-C TROJAN! Note - the valid "explorer.exe" is located in C:Windows or C:Winnt whereas this one is located in a C:WindowsTemplate or C:WinntTemplate subdirectory
    Xsmss[path to smss.exe]Added by the ALADINZ.F TROJAN! Note - this is not the legitimate smss.exe process which should NOT appear in Msconfig/Startup!
    XSMSSsmss.exeAdded by the FLOOD.F TROJAN! Note - this is not the legitimate Smss.exe system file should normally NOT figure in Msconfig/Startup!
    YSmserialsm56hlpr.exeMotorola based modem driver
    NSMSI LoaderSMLoader.exeSmith Micro HotFax - fax software
    USMS Win9x Message Agent??This program assigns a user to a Systems Management Server site
    USMS Client Serviceclisvc95.exeWhen the SMS Client service starts on a domain controller, the Client service modifies the SMSCliToknAcct & user account group membership, user rights, and account comment. The Client service then waits for the synchronization of the comment to verify that the account and user rights are properly set for this account. This account is used to obtain a token to start the SMS Client processes, such as the Software Inventory and Software Distribution agents (MS Systems Management Server)
    NSmith Micro trysmiptray.exeSmith Micro shared files. Comes with D-Link web cam
    USMS Application LauncherLAUNCH32.EXEMicrosoft Systems Management Server - used to manage computers on a network remotely
    YSmcServicesspfsmc.exeSygate Firewall
    ?Smcsta.exeSmcsta.exeSMC Networks wireless PCI card driver. Is it required?
    YSMC Servicesmc.exeSygate Firewall
    YSMC Servicespfsmc.exeSygate Firewall
    YSmcServicessmc.exeSygate Firewall
    Ysmcspfsmc.exeSygate Firewall
    Ysmcsmc.exeSygate Firewall
    ?smbdpmismbdpmi.exeIBM Netfinity Director and Universal Management Services related. What does it do and is it required?
    USMax4PNPSMax4PNP.exeSoundMax integrated sound. Required if you have custom settings for your sound, such as effects and environments
    NSMax4SMax4.exeSystem Tray icon for SoundMax integrated sound. Sound properties can be accessed through the Start Menu or Control Panel
    USmartPCXLpcaccel.exeSmartalec PC Accelerator - system optimization utility
    ?SmarthruengineQS.exeUnknown but disabled without problems
    NsMaRTcaPsSMARTC~1.EXEsMaRTcaPs from Phoebus LLC - enables you to configure the time needed to depress Caps Lock, Num Lock & Insert keys
    NSmartBarXPSmartBarXP.exeSmartBarXP is a bar that runs down the side of your screen, and can be configured to display interactive panels known as 'panes'. These panes include media players, slideshow and image viewing panes, a virtual desktop manager, and live news, weather and stock feeds to mention but a few
    USmartalecpcaccel.exeSmartalec PC Accelerator - system optimization utility
    NSmart Type Assistantsta.exeSmart Type Assistant - a complex typing automation tool, intended to make your work faster and safer
    NSmart Label RFViewerSSLFVIEW.EXEPart of the printer software for the smart-label printer made by Seiko. Can be disabled safely
    NSmart Label O Serverssloserv.exePart of the printer software for the smart-label printer made by Seiko. Can be disabled safely
    USmart Connect SetupSCSetup.exeAppears on a Sony Vaio. Smart Connect Version 2.1 enables data transfer between Vaios via i.LINK cable. Smart Connect supports File and Printer Sharing for MS networks. You can copy files from your Vaio to another Vaio or print using a printer connected to a remote Vaio
    USmart Connect MonitorSCMon.exeAppears on a Sony Vaio. Smart Connect Version 2.1 enables data transfer between Vaios via i.LINK cable. Smart Connect supports File and Printer Sharing for MS networks. You can copy files from your Vaio to another Vaio or print using a printer connected to a remote Vaio
    NSmart Card ServiceScardSvr.exeFor Smart Card readers. Known to cause problems, especially for Windows 2000 users - see here. Probably not required unless you use such a device regularly
    NSmappsmtray.exeSystem Tray access for the Compaq/ADI SoundMAX integrated digital audio controller
    NSm56aclsm56hlpr.exeHelper utility for Motorola based SM56 software modems - resides in the System Tray
    ?SM1BGSM1BG.EXEUSB driver for downloading from within Napster to portable MP3 players. Is it required to run at startup or can it be run manually?
    Xslmssslmss.exeSeekSeek search hijacker related - as seen here
    Xslvchost32slvchost32.exeAdded by an unidentified VIRUS, WORM or TROJAN!
    NSlingshotSLINGS~1.EXEAtomica Slingshot - "reference tool with access to dictionary and encyclopedia terms, bios, technical terms, history, geography, and much more"
    Nslimp3SliMP3 Server.exeSlimp3 Server - "presents an entirely new way of accessing and enjoying your music collection. Instead of storing your music on CDs or memory cards, the SliMP3 uses your home network to access the music stored on your PC"
    XslideIexplore.exeAdded by the GASLIDE TROJAN! Note - this is not the legitimate Internet Explorer (iexplore.exe) process, which should not appear in Msconfig/Startup unless you add it manually!
    USlickRunsr.exe"SlickRun is a floating command line utility for Windows. It gives you almost instant access to any program or website. SlickRun allows you to create command aliases (known as MagicWords), so C:Program FilesOutlook Expressmsimn.exe becomes MAIL"
    YSkySurfer Management ServiceSmaServ.exeFor Gilat Communications internet satellite systems - associated with SkyBlaster modem. Required if you have this system
    NSleepManagerSleepMgr.exeThis program locates free contiguous disk spaces and allocates them for storing BASE MEMORY, EXTENDED MEMORY, VIDEO MEMORY, and SM RAM. It helps the computer come out of hibernate mode
    XSkynetRevengewinlogon.scrAdded by the NETSKY.AA WORM!
    NSkypeSkype.exe"Skype is free and simple software that will enable you to make free calls anywhere in the world in minutes"
    YSkyBlaster SchedulerSSFSch.exeFor Gilat Communications internet satellite systems - associated with SkyBlaster modem. Required if you have this system
    Xskynetave.exeskynetave.exeAdded by the SASSER.D WORM!
    Uskinkersskinkers.exeSelection of desktop messaging/marketing tools with celebrity tie-ins including MTV's "Desktop Ozzy" and Arsenal's "Desktop Wenger" - see here. Leave enabled if you want to receive messages
    USKDAEMONSKDAEMON.EXEMulti-function keyboard driver. Allows the use of programmable keys on mulimedia keyboards. Required if you use the additional keys 
    USK9910DMSK9910DM.EXEMulti-function keyboard driver. Allows the use of programmable keys on mulimedia keyboards. Required if you use the additional keys
    NSiSUSBRGSiSUSBrg.exeSiS USB Registry Patch File - fixes the undetectable problem with SiS USB controller on Windows XP
    Xsistrysistry.exeAdded by the CEBE WORM!
    Usistraysistray.exeSystem Tray icon for SiS based graphics. Note - this resides in C:WindowsSystem
    Xsistrai.exesistrai.exeAdded by the PROVA TROJAN!
    Xsistraysistray.exeAdded by the PROVA TROJAN!
    USiSSWLEDsisswled.exeSystem Tray utility for SiS 900 network cards
    ?SISSoundmanSoundman.exeRelated to a Silicon Integrated Systems Corp (SiS) product?
    ?SiSSetCDfmtSiSSetCDfmt.exeRelated to a Silicon Integrated Systems Corp (SiS) product?
    UsiService.exesiService.exeSpam Inspector - anti email spam software
    NSiSAudioMP_S3.exeWinME patch for an older SiS 961 chipset FERR bug. Enable if you have audio problems
    Usiscolorcolor.exeProbably on-board graphics related based upon the SiS chipsets. Has been seen on ASUS motherboards with SiS chipsets and known to cause conflicts if you choose another graphics card and disable the on-board
    ?SISAM10MSISAM10M.exe??
    USiS Traysistray.exeSystem Tray icon for SiS based graphics. Note - this resides in C:WindowsSystem
    USIPPSSIPPSSIPPS.exeWeb.de Internet phone utility
    NSiS KHookerkhooker.exeSiS Keyboard Daemon. System Tray utility which gets installed by the drivers of the latter day SiS VGA cards. Can cause errors at startup and isn't required
    XSingaporesingapore.exeAdds a blue crescent to the taskbar and when double-clicked displays an adult-content web-site. Also known to drop your internet connection and dial an international telephone number. See here for more information. Must be disabled in MSCONFIG before un-installing or it re-instates itself
    USimpLite-MSNSimpLite-MSN.exeRequired if you use the SimpLite add-on to MSN Messenger (SimpLite adds encryption to the instant messaging service)
    NSimcastSimcastAlerts.exeSimcast is a free service that allows you to subscribe to information on a large variety of topics. Alerts will appear on your desktop when a channel that you have subscribed to has something to say
    XSigXCSigX.exeSigX is a "dynamic signature image generated based on whatever data your computer sends it though our SigX program. It can display your current Mp3, current OS, Free Ram, your current time and more"
    ?SigXsigx.exe??
    NSideWinderTrayV4SWTrayV4.exeMS SideWinder game controller system tray icon. This is specific to version 4 of the software. Available via Start -> Programs
    XSidebarSidebar.exeSearchcentrix hijacker
    USideACTSideACT.exeSideACT organizer software
    XSicomSicom.exeAdded by the NETLIP WORM!
    Xsi91e44brundll32.exe [path] si91e44b.dll, EnableRunDLL32LZIO.com adware downloader
    ?Si MeterSIMETER.EXE??
    UShutDownProShutDownPro.exeShutDownPro - shutdown, reboot, logoff your System with one mouse click
    UShutdownawareshutdownaware.exeLoaded by the SWEEX 6-in-1 Media Card Reader to properly manage the reader while it is connected to your system
    YShStatEXESHSTAT.EXEFrom McAfee VirusScan NT 4.x. Handles program communication among VShield components, displays VShield icon. Can be started automatically or available via Start -> Programs
    USHPC32SHPC32.exePort monitor for Lexmark printers on a USB connection. Ties in with the Printer Control Program. Features like cancelling a print are unavailable if disabled
    NShortKeys 99SHORTKEY.EXEShortKeys from Insight Software Solutions - allows you to program keys with text strings
    XShowbehindSHOWBEHIND.EXEAdvertisement display which can be stopped here
    ?ShowIcon_SmartDisk Corporation_USB Card Reader v1.14e051shwicon.exeCard reader for memory cards from digital cameras. Is it required?
    NShockwave InitSWINIT.EXEPart of Macromedia Shockwave. Controls the Shockwave Remote Control Panel. The Remote Control can be activated manually from the Start Menu by locating and selecting Shockwave and then Shockwave Remote under Programs
    XShockwavecsrss.exeAdded by the SNDOG WORM! Note - this is not the legitimate csrss.exe process, which should not appear in Msconfig/Startup!
    NShockmachineReminderSmReminder.exeShockmachine is an entertainment playback device that lets you save your favorite Shockwave.com titles and play them back in full-screen mode, off-line, anytime. Could be a registration reminder for the trial version
    XShmgrate.exeibot4.exeAdded by the GASTER TROJAN!
    ?SHINITVshinitv.exe??
    Nshicoxpshicoxp.exeInstalled with the drivers for multi card readers of various brands. To differentiate between the various card slots on multi slot readers the shicoxp.exe file assigns and loads unique drive icons for the various card slots that are displayed in Windows Explorer
    XShineShine.exeAdded by the HAPPYLOW (or NISHE-A) VIRUS!
    Xshellsystemshellsystem.exeAdded by the UPCHAN TROJAN!
    XShellExShellEx.exeAdded by the ANAKHA TROJAN!
    XShellCommand[path to file]Added by the REMCON-A TROJAN!
    XShellapi32Shellapi32.exeAdded by the NETDEVIL (or NERTE) TROJAN!
    XShellApiSHELLMSN.EXEAdded by the NETDEV.B TROJAN!
    XShell Extensionspollsv.exeAdded by a variant of the LOVGATE WORM!
    XShellTray.exeHomepage hijacker re-directing browsers to adult content websites
    XShellray.exeHomepage hijacker re-directing browsers to adult content websites
    XShellShell32.exeAdded by the BADSECTOR TROJAN!
    XSheduIersvchst.exePremium rate adult content dialler
    NShcenterchcenter.exeIMSI HiJaak - "the easiest way to convert, capture, and manage all your graphic files"
    NSharkEjectAEJCT32.exeAllows you to eject a disk from the Avatar Shark drive from the system tray. When loaded, there is a desktop icon so this isn't required
    NShareazaShareaza.exeShareaza P2P client
    Xsharedpremsharedprem.exeAdded by the MAKECALL TROJAN!
    YSharing and Mapping SoftwareDShmap.exeIntel AnyPoint internet sharing software
    NShare-to-Web Namespace Daemonhpgs2wnd.exe"HP's exclusive Share-to-Web software makes it easy to share content with others through our affiliate Internet websites." In other words an application that allows users to upload scanned images to their personal webpages if desired. Available via Start -> Programs
    Xshambl3r*shambl3r.exeAdded by the REMABL WORM! where * is 2 to 11
    Xshambl3rcnf.batAdded by the REMABL WORM!
    ?SGTBoxSGTBox.exeCanon scanner driver. Is it required?
    Usgtraysgtray.exeStorageGuard from Veritas. Free utility that integrates with Backup MyPC (formerly Backup Exec Desktop), Simple Backup and MS Backup. Provides system tray access and background monitoring - warning you of files that haven't recently been backed up. Required unless you backup manually on a regular basis or have scheduled backups
    Nsginstsginst.exeeAcceleration Stop-Sign related - not recommended, see note
    USgeecviewEcview.exeSafeGuard Easy - "provides total company-wide protection for sensitive information on laptops and workstations. Boot protection, pre-boot user authentication and hard disk encryption using powerful algorithms guarantee against unauthorized access and hacker attacks"
    USgecryptSgecrypt.exeSafeGuard Easy - "provides total company-wide protection for sensitive information on laptops and workstations. Boot protection, pre-boot user authentication and hard disk encryption using powerful algorithms guarantee against unauthorized access and hacker attacks"
    USfWinStartInfosfWinStartupInfo.exe

    SFIRM32 Online Banking software

    XSFtrb Servicecftrb32.exeAdded by the SOBIG.D WORM!
    XSexy_sgSexy_sg.exePremium rate adult content dialler
    NSFPvzSFPWin.EXEVerizon Online Support Center - prompts for online updates
    XSex Terisst01b.exeAdded by the REPAD WORM!
    XSetVrcsetvrc.exeAdded by the HUNTOCX WORM!
    ?setuzpsetuzp.exe??
    Xsetupuserregedit.exe setupuser.logRegfile in disguise - another CoolWebSearch parasite variant
    NSetupICWDesktopicwconn1.exeAppears to be the "Internet Connection Wizard" from Internet Explorer being set-up as a desktop shortcut. Appears under the RunOnce registry key but is available under Start -> Programs -> Accessories -> Communication (or similar) anyway
    Nsetuphphprld.exe ....setup.exeHP DeskJet Setup - printers function normally without it
    XSettingsysweb.exeAdded by the SDBOT.GEN TROJAN!
    ?SetRefreshSetRefresh.exeFound on a Compaq PC. Video refresh rate utility? Is it required?
    NSetiQueueSetiqu~1.exeProvides work unit buffering for Seti@Home clients - see here for more details
    NSetiSpySetiSpy.exeFrom the site - 'SETI Spy is a little program I wrote to "spy" on the progress and performance of the SETI@home client. I call it a "spy" because I tried to make it as unobtrusive as possible'
    NSetIconSetIcon.exeInstalled by a 6-in-1 (4 Media Card slots, a floppy drive and a USB connection) device. Constantly updates the icons for the four Media Card slots that it has and is a resource hog
    NseticlientSETI@home.exeSETI@home is a scientific experiment that uses Internet-connected computers in the Search for Extraterrestrial Intelligence (SETI). You can participate by running a free program that downloads and analyzes radio telescope data
    NSETI@homeSETI@home.exeSETI@home is a scientific experiment that uses Internet-connected computers in the Search for Extraterrestrial Intelligence (SETI). You can participate by running a free program that downloads and analyzes radio telescope data
    NSetHookSetHook.exeFellowes Neato CD label design software. "Launch NEATO's MediaFACE II label making software directly from the productname toolbar"
    XsetFTPBackcreatesw.exeAdded by the FTP_BMAIL TROJAN!
    USetecCertUtilCertutil.exeSetec Web and Email Security. Setec PKI smart card software. The PKI technology enables secure and reliable user identification in services offered through Internet, mobile handsets and digital TV
    ?setdefprtsetdefprt.exeRelated to a Brother printer?
    ?SetDefaultMIDIMIDIDef.exeRelated to a Soundblaster Audigy soundcards. What does it do and is it required?
    XSESyncsed.exeDownloadware/SED adware downloader
    ?ServUTrayIconServUTray.exeSystem Tray icon for Serv-U FTP server. Is it required?
    XServices004[worm filename]Added by the BUGBROS WORM!
    Xservices.exeServices.exeAdded by the CIADOOR-F TROJAN! Note - this is NOT the legitimate services.exe process, which should NOT figure in Msconfig/Startup!
    XServices.EXEservices.exeAdded by the KAZPING WORM! Note - this is not the legitimate services.exe process which should NOT appear in Msconfig/Startup!
    XServices Controllerlsassa.exeAdded by the CIADOOR.122 VIRUS!
    XServices HostScchost.exeAdded by the DONK WORM!
    XServiceswinread.exeAdded by an unidentified VIRUS, WORM or TROJAN!
    XServicesservices.exeAdded by a number of VIRUSES, WORMS and TROJANS! Note - this is not the legitimate services.exe process which should NOT appear in Msconfig/Startup!
    XServices[path to trojan]Added by the METEORSHELL TROJAN!
    XServicesback32.exe ...service.exeAdded by an unidentified VIRUS, WORM or TROJAN! Back32.exe is the baddie whose purpose is to HIDE the MIRC32 server in service.exe
    Xservicesstart.batAdded by the ZCREW TROJAN!
    YServiceLayerServiceLayer.exeNokia Connectivity Library support task that is needed by NCLTRAY and by the Nokia Connection Manager for either to work properly
    UServiceConfigispbeg.exeComcast Transition Wizard. On June 30th, 2003 it will migrate E-mail and web pages from AT&T Broadband Internet to Comcast High-Speed Internet. Until then it will run at startup and then terminate - hence the U recommendation
    XService.exeService.exe"servedby.advertising" popup generator
    Xservice updaerqualityz.exeAdded by an unidentified VIRUS, WORM or TROJAN! - probably a SPYBOT variant
    XService Processwinset.exeAdded by a variant of the SPYBOT WORM!
    XService ProcessSVCHOST.EXEAdded by the DARKER WORM! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    XService Managerdxsound.exeAdded by the PROXY-GRIC TROJAN!
    NService Managersqlmangr.exeSQL Server Service Manager - provides tray access to SQL server, the server agent and MSDTC. Available via Start -> Programs
    XService Host Driversvchost.exeAdded by the HITON TROJAN! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    XService Host svchost.exeAdded by the TORVEL WORM! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    XService Hostspoolxx.exeAdded by the TORVEL WORM!
    XService Host[filename].exeAdded by the TORVEL.B WORM!
    XService ControllerCsrrs.exeAdded by the GAOBOT.AO WORM!
    NService Connectionbwtray.exeFor Compaq PC's. Part of Backweb
    XService[trojan filename]Added by the KAITEX.E TROJAN!
    NService Connectionsccenter.exeFor Compaq PC's. Part of Backweb
    XServiceservices.exeAdded by the NETSKY or NETSKY.B WORMS! Note - this is not the legitimate services.exe process which should NOT appear in Msconfig/Startup!
    UServiceservice.exeAdded by the ALADINZ.H TROJAN!
    XserverexServer.txt.vbsAdded by the DELTAD.A WORM!
    XSERVER.EXESERVER.EXEAdded by the BUSHTRO122 or SMOKODOOR TROJANS!
    Xserverserver.exeAdded by the DELTAD.A WORM!
    NServ-Userv-u32.exeFTP server
    XServ-Uwssdsu.exeAdded by the MANIFEST TROJAN!
    Yserrdctl.exeserrdctl.exe"Shared Modem Service Client Event Viewer" - used when a number of PCs have access to a number of modems. Required to be running on each PC for access to the modems
    XSerialsserials.exeAny one of a variety of worms and trojans
    XSENTRYSENTRY.exeFrom IP Insight. Allows website owners "to instantly determine the precise geographic location, connection speed and detailed demographics of every visitor to your website". Will be detected by most firewalls and the majority of home users should disable it 
    USeMSSeMS.exe

    PCsms - tool that enables you to send sms text messages from your PC to any UK mobile phone

    USensivaSensiva.exeSymbol Commander makes the use of your PC, laptop, Tablet PC, and Pocket PC much easier and much faster. It recognizes your handwriting with unparalled performance and executes commands in a snap. Just by using your mouse, pen, or touchpad, simply draw symbols to execute actions instantly
    ?SelfHostUtilslefhost.exe??
    Xsecurity servicesyss.exeAdded by an unidentified WORM or TROJAN!
    YSECWIZ98SECWIZ98.EXESecurity Wizard 98 by Chris Farmer. Offers you a variety of ways to restrict access to many of the programs and settings on your PC. Available here
    USecurity ManagerSecurityManager.exeA ComCast Internet software suite that provides a variety of features (firewall, popup blocker, parental controls etcetera) to help ensure your computer is secure, and your information is kept private
    XSecureLoginMslg32.exeAdded by the REDZED WORM!
    USecureItProSecureitpro470p.exeSecureIt Pro - lock your computer when you're not there, to stop malicious users from accessing your desktop
    NSecureCleanIECleanSCIEClean.exeSecureClean - scans your system for hidden temporary files, deleted email messages, Internet histories and caches
    USecsysSecsys.exeKey Interceptor - surveillance software that creates records of everything people do on a computer, ie, spying or monitoring depending upon how you call it
    XSecret-Crushstart.exeHijacker that may reset your browser's home page and/or search settings to point to undesired sites
    USecondChancesctray.exePower Quest Second Chance. Sets checkpoints for saving a backup copy of the registry to a disk so you can restore it if you have a crash
    XSearchUpgraderSearchUpgrader.exeHijacker
    XSearchSettersearchsetter[1].exeBrowser hijacker - redirecting to FindWhateverNow.com
    XSearchSquire33SearchUpdate33.exeSearchSquire parasite
    XSearchNavVersionsearchnavversion.exeSearchNav adware - IEFeatures/Popnav variant
    Xsearchnavsearchnav.exeSearchNav adware - IEFeatures/Popnav variant
    XSearchEnhancementscbar.exeIE search hijacker
    XSearch.vbsHijacker
    XSearch-ExeSE.exeSearch-Exe hijacker
    XSearch Pagehttp://find.naupoint.comNaupoint browser hijacker
    ?Search Hooksrchhook.exe??
    Usealmonsealmon.exeSealedMedia enables you to combine document protection and control with your existing applications - such as Microsoft Word, Microsoft Excel, Microsoft PowerPoint and Email
    NSDPhotoBar.exeSDPhotoBar.exeSmartDraw Photo - "organize, enhance, print, and share your photos. It's also a powerful graphic editor for creating images and web graphics"
    ?SDJobChecktriggusr.exePart of CA Unicenter Software Delivery - manage software across various systems, from desktops and servers to PDAs and mobile phones, in a controlled and standardized way - is it required at startup?
    XSDIN Adaptersdin.exeAdded by the FORBOT-AP WORM!
    Xsdfsdfsdfsp2update.exeAdded by a variant of the SPYBOT WORM!
    NSDetectSDetect.exeScanSuite Scanner Detector - part of ScanWizard, supplied with Microtek scanners. Waits until you press the "GO" button and seems to serve no other purpose. Automatically installed without prompting. Not required if you can start your scanning application before pressing the "GO" button
    USDaemonsdaemon.exePC Security from Tropical Software. 'PC Security? 5.1 is the ultimate in computer security, offering multiple locking systems for the Windows environment and internet. Lock files, monitor programs' activities, even detect intruders! PC Security offers flexible and complete password protection, "Drag and Drop" support, plus many other handy features'
    Xscvhost.exescvhost.exeAdded by the LOHAV-N TROJAN!
    Xsd32infosd32info.exeAdded by the CRYPTER.A TROJAN!
    Xscvhost loaderixplore.exeAdded by the SDBOT-CY TROJAN!
    YScsiScsi.exeSCSI Miniport driver
    Xscvhostsvzhost.exeAdded by a variant of the SPYBOT WORM!
    XScrSvrOld[worm filename]Added by the OPASERV WORM!
    XScrSvrScrSvr.exeAdded by the OPASERV WORM!
    UScroll-In-Mouse V2.0SCROLL.EXEToolkit for the Lynx-3D Net scroll mouse from QTronix. Required if you use the special features
    YScriptSentryScriptsentry.exeScript Sentry from Jason's Toolbox. Blocks malicious scripts and allows safe scripts to run. Only required if you want it to check the file associations it guards at startup. It will function regardlessly
    YScriptBlockingSBServ.exeUpdate to Norton AntiVirus 2001. Detects certain types of script-based viruses without the need for specific virus definitions - such as JavaScript and VBScript. This will help protect you from these viruses even before virus definitions are available. Note - some users complain of problems once the update is installed - refer here for more information
    ?scriptscript.batMaybe associated with DOS on a Win9x machine
    ?screxescruser2k.exe??
    NScreen Saver ControlFSScrCtl.exeInstalls as part of the Hubble Space Telescope screen saver (and possibly others). Lets you control your installed screensavers from a System Tray icon
    NScreenPrint32ScreenPrint32.exeScreenPrint32 screen capture software - can be launched manually
    UScreen Guard Message Scansgms.exePart of Access Denied security and privacy software
    UScreen Guardlaunch.exePart of Access Denied security and privacy software
    UScreen Calendarscrcal.exeScreen Calendar allows you to create custom desktop wallpapers with built in active calendar and scheduler
    NScrapPadScrappad.exeScrapPad allows you to quickly and easily record notes, thoughts, messages, and just about anything you want. Use it like you use scrap paper
    XScrscr.scrAdded by the OPASERV.T WORM!
    NScotia OnLine Security v*.* Recoveryetdirrcv.exeScotia OnLine Security Software provided by Entrust for Scotiabank. Provides trusted secure access to Scotia OnLine Secure Web sites. *.* represents the version number. Now obsolete after Scotiabank modernised their login process
    NScotia OnLine Recoveryetdirrcv.exeScotia OnLine Security Software provided by Entrust for Scotiabank. Provides trusted secure access to Scotia OnLine Secure Web sites. *.* represents the version number. Now obsolete after Scotiabank modernised their login process
    Xscopedllscopedll.exeAdded by a variant of the CRYPTER.C TROJAN!
    XScManagerscman.exeAdded by the FORBOT-CW WORM!
    USchmailiSchmaili.exeSchmaili - insert animated smilies into your e-mail
    YSCHWIZEXSCHWIZEX.EXEPart of ConfigSafe - lets you identify changes to the registry, INI files, System asset files, system hardware, network connections, and operating system versions - provides a restore function. This part takes a snapshot of your system following a healthy re-boot
    USchedulingAgentmstinit.exeMS Scheduling Agent displayed as a box with a stopwatch in the System Tray that is only needed if you have regular scheduled disk defragmenting, ScanDisk, etc. Required if you have regularily scheduled events such as weekly virus scans
    USchedulingAgentmstask.exeMS Scheduling Agent displayed as a box with a stopwatch in the System Tray that is only needed if you have regular scheduled disk defragmenting, ScanDisk, etc. Required if you have regularily scheduled events such as weekly virus scans
    XSchedulingAgantMMTASK.EXEAdded by the YAB.A TROJAN! Not the valid MusicMatch Jukebox which has the same filename
    XScheduling AgentScheduler.exeAdded by the SUBWOOFER TROJAN! Note - this is not the real MS Scheduling agent as the executable is incorrect
    NScheduled MaintenanceScheduled_Maintenance.exeScheduler for Iolo System Mechanic tweaking utility. It can cleans your registry and deletes temporary files at defined intervals. Available via Start -> Programs
    XSCardSvrSCardSvr32.ExeAdded by the MOFEI.B WORM!
    NSCardSvrscardsvr.exeRelated to SmartCard readers and sometimes uses lots of system resources
    XScanSpyware v *Scanner.exeSpyware remover (where * = the version number) of dubious repute, see this list of Rogue/Suspect Anti-Spyware Products & Web Sites
    XScanRegistryScanregw.exeAdded by the STATOR WORM! Not to be confused with the legitimate ScanRegistry entry - which is a vital Windows file. The executable "Scanregw.exe" is located in %windir%System (where %windir% is the Windows directory - C:Windows or C:Winnt). Runs from the registry RunServices key as opposed to the Run key
    YScanRegistryScanregw.exeScans the system registry and makes back-ups at start-up. Important should the registry become corrupt. The executable "Scanregw.exe" is located in %windir% (where %windir% is the Windows directory - C:Windows or C:Winnt)
    XScanRegistryscanregv.exeAdded by the MASTERLOCK TROJAN!. Not to be confused with the real ScanRegistry - which is a vital Windows file. This version has the executable as scanregv.exe not scanregw.exe
    XScanRegistrynsrvnt.exeAdded by the NERTE TROJAN!. Not to be confused with the real ScanRegistry - which is a vital Windows file. This version has the executable as nsrvnt.exe not scanregw.exe
    XScanreg[filename]Added by the QQPASS.E TROJAN!
    NScanner DetectorSDetect.exeScanSuite Scanner Detector - part of ScanWizard, supplied with Microtek scanners. Waits until you press the "GO" button and seems to serve no other purpose. Automatically installed without prompting. Not required if you can start your scanning application before pressing the "GO" button
    ?ScanFile????
    ?ScanInicioInicio.exePart of Panda Anti-Virus. Responsible for scanning the boot sector of your disk and your memory at startup to check for viruses that try and load and act before your anti-virus is fully operational. It only adds a fraction of a second to start-up time and is worth leaving active
    XScanDiskScanDisk.exeAdded by the GANDA.A WORM! Note - this is not the valid "ScanDisk" Win9x/Me standard disk error checker
    ?Scan Wizardbutton.exeAssociated with ScanWizard as supplied with Microtek scanners - see also Scanner Detector or SDetect. What does it do and is it required?
    ?Scan DetectorPmxdetect.exeAssociated with PrimaScan scanners. Is it required?
    Xscanmscman.exeSpyware/malware, included into the latest version of Grokster, among others. According to research by SpyBot's PMK,  "able to trick ZoneAlarm, auto-clicking it to allow passing through the firewall!"
    YSC3300CCSC3300CC.exeSiPix digital camera Twain device driver
    ?sc23execsc23exec.exePossibly related to a digital camera
    Uscsc.exeWatchdog 2.0 Software - monitoring program
    Nscscrubxp.exeScrubXP - utility that deletes safe to remove files, cookies, browsing history, etc
    NSBMXsbmx.exeSoundMAX MPU401 MIDI device emulator for x86 VM DOS games/apps (for Win9x only)
    USBDrvDetSBDrv.exeDetects the "Easy Front-Panel Audio Connectivity Drive Internal Drive Bay" on the Sound Blaster Audigy 2 Platinium eX. Can be disabled if you don't have one
    XSBHCsbhc.exeSuperBar parasite - uninstall available here
    USBC Self Support Toolmatcli.exematcli.exe is a motive Assistant Command line interface that gathers information about your system's identity like your name email address, city, county, etc and gets written to a log file. The SBC Self Support Tool is required to run with the Help and Support program. If you uncheck SBC and and then run Help and Support it will add another SBC entry in the startup menu. If you remove this software in "add/remove programs" some help menus in help and support will not be available. You decide
    USBAutoUpdatesbautoupdate.exeSpywareBlaster auto-updater
    XSB WatchdogSBWatchdog.exeSpyware utility installed by the manufacturers of some laptops (Sony) used to monitor browsing habits and send them back to whoever installed it - released by SoftBank. See here for more information
    USBSB.exeAcer Soft Button on Acer Tablet PCs
    NSB Audigy 2 Startup Menu/l:engRelated to the Dell OEM version of the Sound Blaster Audigy 2 sound card. If this item is listed and checked in startup, the System32 Folder will appear on every startup. A patch is available - filename R75304.EXE - that fixes the issue. You can find that file at support.dell.com by typing that name in the 'Search' box available there. It addresses the root of the problem in Creative's software and corrects it. Unfortunately there is no direct link to the file, but it's easily available using the search function
    USay The Time 5.0SAYTIME.EXEThis program has audio cues for the system clock in male and female voices, customizes the appearance of the system clock, and can synchronize it to a time server regularly
    XSavenowsavenow.exeAdded by the SPREDA.B VIRUS!
    XSavenowSaveNow.exeAdvertising spyware. Installed as part of the Kazaa Media Desktop bundle for example
    XSaveSave.exeRebranded version of SaveNow advertising spyware
    XSaveDateSaveStartDate.ExeUnidentified adware
    USAUpdateSAUpdate.exeBig Brother from Quest Software. System and network monitor
    YSAVAgentSAVAgent.exePart of Sophos anti-virus software. Required for centrally administered Sophos updates to work correctly, e.g. automatically updating PCs used by dial-in home or out-of-office users
    Xsatmatsatmat.exeTransponder/aBetterinternet adware variant
    USATARaidSATARaid.exeRAID driver for serial ATA disks on some motherboards such as the DFI Lanparty range. Only loaded if one is using RAID support on SATA drives
    XsaSyncMgrrundll32.exe sasync.dll, SyncWaitBrowser hijacker - redirecting to Searchant.com
    NSandIconSandIcon.exeSanDisk ImageMate CompactFlash card reader SDDR-31 (USB). Very little use except to place the Sandisk icon beside its drive designation in Windows Explorer. The reader itself will work fine without it. The simplest thing is to just unplug the reader when you're not using it. It may slow the startup by a few nanoseconds, but once the software sees there's no reader, you get back the resources
    USAMcalSAMcal.exeSamCal - calendar/reminder program
    USametime ConnectConnect.exeIBM Lotus Instant Messaging and Conferencing software
    Xsalmsalm.exe180Search adware
    USaitekAutoConfiguresaicnfig.exeConfiguration for Saitek game controllers
    Xsaissais.exe180Solutions adware
    ?SaiSmartSaiSmart.exe"Smart Button Special Sauce" - included with the latest software for Saitek game controllers. Related to the "S", "Shift" or "Smart" button. What does it do and is it required?
    Xsainsain.exe180Solutions adware
    USAIMONSaiMon.exeSaitek joystick driver
    Xsaiesaie.exe180Solutions adware
    XSAHBundlebundle.exeShopAtHomeSelect parasite related
    XSAHagentSahagent.exeShopAtHomeSelect parasite
    Xsagntsagnt.exeAdware web downloader
    XSagate Security Firewallsagate.exeAdded by the GAOBOT.BOW WORM!
    NSAgent2ExePathSAgent2.exeSeiko Epson printer status agent. Disable if printer is not used often
    XSafeSurfingUpdateSSUpdate.exeDyFuCa/MoneyTree parasite variant
    USafeworldFreedom.exeSafeWorld Internet Security
    XSafeSearchsafesearch.exeAutoSearch parasite variant
    NSafeOFFSafeOff.exeProvides protection that if user accidentally presses the power switch a dialog will pop up for confirmation
    NSafeInstall.exeSAFEIN~1.EXEMonitors a download and ensures an newer version of a file isn't replaced by an older one
    XSafeGuard Popup Updater (required)regsvr32 [path] PDF****.dll [* = random char/digit]SafeguardProtect/Veevo hijacker
    XSafeGuard Popup Updater (required)regsvr32 [path] sfg****.dll [* = ramdom char/digit]SafeguardProtect/Veevo hijacker
    XSafeGuard Popup Blocker Updater (required)regsvr32 [path] sfg****.dll [* = ramdom char/digit]SafeGuard Protect/Veevo - hijacker
    XSafeGuard Popup Blocker Updaterregsvr32 [path] sfgupd.dllSafeguardProtect/Veevo hijacker
    XSafeSafeWin.exeAdded by the FOCOSENHA TROJAN!
    NSabreserverSABSERV.EXEAirline reservation software from Sabre. Available via Start -> Programs
    NSAClientRegCon.exeAT&T or ComCast BBClient - monitors system and network-delivered services for availability. Your current network status is displayed on a color-coded web page in near-real time. When problems are detected, you're immediately notified by e-mail, pager, or text messaging
    Xsaapsaap.exe180Solutions adware
    NSa3dsrvSa3dsrv.exe3D sound extension for Windows
    ?SA ServiceSAservice.exeAssociated with Cyber Trio and Warner troubleshooting software from G-Tek Technologies and pre-installed on some Packard Bell and NEC PCs. What function does this perform and is it required?
    ?SASa3.exeLogitech QuickCam driver. Is it required?
    Xs4helpers4helper.exeSearchcentrix hijacker
    US4FS4F.exeS4F internet filtering software
    ?S3TRAYHPS3trayhp.exeS3 Video driver related. What does it do and is it required?
    NS3TRAYS3Tray.exeS3 display configuration taskbar utility for S3 chipset based graphics cards. Can be run from Start-> Settings -> Control Panel -> Display
    ?s3tray2s3tray2.exeSame as the s3tray entry in this table?
    ?S3Hotkeys3hotkey.exeS3 Video driver related. What does it do and is it required?
    ?S3MonS3Mon.exeS3DuoVue multi-monitor taskbar helper by S3 Graphics. What does it do and is it required?
    XS3 Internal Chips3serv.exeAdded by the AGOBOT-DD WORM!
    ?S3apphkS3apphk.exeS3 graphics related?
    XS0undMansvch0st.exeAdded by the LOVGATE.AB WORM!
    ?S24EvMonS24EvMon.exeEvent Monitor - supports driver extensions to NIC Driver for wireless adapters. Is it required?
    XS0undMansvch0st.exeAdded by the LOVGATE.AB WORM!
    ?S24EvMonS24EvMon.exeEvent Monitor - supports driver extensions to NIC Driver for wireless adapters. Is it required?
    XS3 Internal Chips3serv.exeAdded by the AGOBOT-DD WORM!
    ?S3apphkS3apphk.exeS3 graphics related?
    ?S3Hotkeys3hotkey.exeS3 Video driver related. What does it do and is it required?
    ?S3MonS3Mon.exeS3DuoVue multi-monitor taskbar helper by S3 Graphics. What does it do and is it required?
    NS3TRAYS3Tray.exeS3 display configuration taskbar utility for S3 chipset based graphics cards. Can be run from Start-> Settings -> Control Panel -> Display
    ?s3tray2s3tray2.exeSame as the s3tray entry in this table?
    ?S3TRAYHPS3trayhp.exeS3 Video driver related. What does it do and is it required?
    US4FS4F.exeS4F internet filtering software
    Xs4helpers4helper.exeSearchcentrix hijacker
    ?SASa3.exeLogitech QuickCam driver. Is it required?
    ?SA ServiceSAservice.exeAssociated with Cyber Trio and Warner troubleshooting software from G-Tek Technologies and pre-installed on some Packard Bell and NEC PCs. What function does this perform and is it required?
    NSa3dsrvSa3dsrv.exe3D sound extension for Windows
    Xsaapsaap.exe180Solutions adware
    NSabreserverSABSERV.EXEAirline reservation software from Sabre. Available via Start -> Programs
    NSAClientRegCon.exeAT&T or ComCast BBClient - monitors system and network-delivered services for availability. Your current network status is displayed on a color-coded web page in near-real time. When problems are detected, you're immediately notified by e-mail, pager, or text messaging
    XSafeSafeWin.exeAdded by the FOCOSENHA TROJAN!
    XSafeGuard Popup Blocker Updaterregsvr32 [path] sfgupd.dllSafeguardProtect/Veevo hijacker
    XSafeGuard Popup Blocker Updater (required)regsvr32 [path] sfg****.dll [* = ramdom char/digit]SafeGuard Protect/Veevo - hijacker
    XSafeGuard Popup Updater (required)regsvr32 [path] sfg****.dll [* = ramdom char/digit]SafeguardProtect/Veevo hijacker
    XSafeGuard Popup Updater (required)regsvr32 [path] PDF****.dll [* = random char/digit]SafeguardProtect/Veevo hijacker
    NSafeInstall.exeSAFEIN~1.EXEMonitors a download and ensures an newer version of a file isn't replaced by an older one
    NSafeOFFSafeOff.exeProvides protection that if user accidentally presses the power switch a dialog will pop up for confirmation
    XSafeSearchsafesearch.exeAutoSearch parasite variant
    XSafeSurfingUpdateSSUpdate.exeDyFuCa/MoneyTree parasite variant
    USafeworldFreedom.exeSafeWorld Internet Security
    XSagate Security Firewallsagate.exeAdded by the GAOBOT.BOW WORM!
    NSAgent2ExePathSAgent2.exeSeiko Epson printer status agent. Disable if printer is not used often
    Xsagntsagnt.exeAdware web downloader
    XSAHagentSahagent.exeShopAtHomeSelect parasite
    XSAHBundlebundle.exeShopAtHomeSelect parasite related
    Xsaiesaie.exe180Solutions adware
    USAIMONSaiMon.exeSaitek joystick driver
    Xsainsain.exe180Solutions adware
    Xsaissais.exe180Solutions adware
    ?SaiSmartSaiSmart.exe"Smart Button Special Sauce" - included with the latest software for Saitek game controllers. Related to the "S", "Shift" or "Smart" button. What does it do and is it required?
    USaitekAutoConfiguresaicnfig.exeConfiguration for Saitek game controllers
    Xsalmsalm.exe180Search adware
    USAMcalSAMcal.exeSamCal - calendar/reminder program
    USametime ConnectConnect.exeIBM Lotus Instant Messaging and Conferencing software
    NSandIconSandIcon.exeSanDisk ImageMate CompactFlash card reader SDDR-31 (USB). Very little use except to place the Sandisk icon beside its drive designation in Windows Explorer. The reader itself will work fine without it. The simplest thing is to just unplug the reader when you're not using it. It may slow the startup by a few nanoseconds, but once the software sees there's no reader, you get back the resources
    XsaSyncMgrrundll32.exe sasync.dll, SyncWaitBrowser hijacker - redirecting to Searchant.com
    USATARaidSATARaid.exeRAID driver for serial ATA disks on some motherboards such as the DFI Lanparty range. Only loaded if one is using RAID support on SATA drives
    Xsatmatsatmat.exeTransponder/aBetterinternet adware variant
    USAUpdateSAUpdate.exeBig Brother from Quest Software. System and network monitor
    YSAVAgentSAVAgent.exePart of Sophos anti-virus software. Required for centrally administered Sophos updates to work correctly, e.g. automatically updating PCs used by dial-in home or out-of-office users
    XSaveSave.exeRebranded version of SaveNow advertising spyware
    XSaveDateSaveStartDate.ExeUnidentified adware
    XSavenowSaveNow.exeAdvertising spyware. Installed as part of the Kazaa Media Desktop bundle for example
    XSavenowsavenow.exeAdded by the SPREDA.B VIRUS!
    USay The Time 5.0SAYTIME.EXEThis program has audio cues for the system clock in male and female voices, customizes the appearance of the system clock, and can synchronize it to a time server regularly
    USBSB.exeAcer Soft Button on Acer Tablet PCs
    NSB Audigy 2 Startup Menu/l:engRelated to the Dell OEM version of the Sound Blaster Audigy 2 sound card. If this item is listed and checked in startup, the System32 Folder will appear on every startup. A patch is available - filename R75304.EXE - that fixes the issue. You can find that file at support.dell.com by typing that name in the 'Search' box available there. It addresses the root of the problem in Creative's software and corrects it. Unfortunately there is no direct link to the file, but it's easily available using the search function
    XSB WatchdogSBWatchdog.exeSpyware utility installed by the manufacturers of some laptops (Sony) used to monitor browsing habits and send them back to whoever installed it - released by SoftBank. See here for more information
    USBAutoUpdatesbautoupdate.exeSpywareBlaster auto-updater
    USBC Self Support Toolmatcli.exematcli.exe is a motive Assistant Command line interface that gathers information about your system's identity like your name email address, city, county, etc and gets written to a log file. The SBC Self Support Tool is required to run with the Help and Support program. If you uncheck SBC and and then run Help and Support it will add another SBC entry in the startup menu. If you remove this software in "add/remove programs" some help menus in help and support will not be available. You decide
    USBDrvDetSBDrv.exeDetects the "Easy Front-Panel Audio Connectivity Drive Internal Drive Bay" on the Sound Blaster Audigy 2 Platinium eX. Can be disabled if you don't have one
    XSBHCsbhc.exeSuperBar parasite - uninstall available here
    NSBMXsbmx.exeSoundMAX MPU401 MIDI device emulator for x86 VM DOS games/apps (for Win9x only)
    Nscscrubxp.exeScrubXP - utility that deletes safe to remove files, cookies, browsing history, etc
    Uscsc.exeWatchdog 2.0 Software - monitoring program
    ?sc23execsc23exec.exePossibly related to a digital camera
    YSC3300CCSC3300CC.exeSiPix digital camera Twain device driver
    Xscanmscman.exeSpyware/malware, included into the latest version of Grokster, among others. According to research by SpyBot's PMK,  "able to trick ZoneAlarm, auto-clicking it to allow passing through the firewall!"
    ?Scan DetectorPmxdetect.exeAssociated with PrimaScan scanners. Is it required?
    ?Scan Wizardbutton.exeAssociated with ScanWizard as supplied with Microtek scanners - see also Scanner Detector or SDetect. What does it do and is it required?
    XScanDiskScanDisk.exeAdded by the GANDA.A WORM! Note - this is not the valid "ScanDisk" Win9x/Me standard disk error checker
    ?ScanFile????
    ?ScanInicioInicio.exePart of Panda Anti-Virus. Responsible for scanning the boot sector of your disk and your memory at startup to check for viruses that try and load and act before your anti-virus is fully operational. It only adds a fraction of a second to start-up time and is worth leaving active
    NScanner DetectorSDetect.exeScanSuite Scanner Detector - part of ScanWizard, supplied with Microtek scanners. Waits until you press the "GO" button and seems to serve no other purpose. Automatically installed without prompting. Not required if you can start your scanning application before pressing the "GO" button
    XScanreg[filename]Added by the QQPASS.E TROJAN!
    XScanRegistrynsrvnt.exeAdded by the NERTE TROJAN!. Not to be confused with the real ScanRegistry - which is a vital Windows file. This version has the executable as nsrvnt.exe not scanregw.exe
    XScanRegistryscanregv.exeAdded by the MASTERLOCK TROJAN!. Not to be confused with the real ScanRegistry - which is a vital Windows file. This version has the executable as scanregv.exe not scanregw.exe
    YScanRegistryScanregw.exeScans the system registry and makes back-ups at start-up. Important should the registry become corrupt. The executable "Scanregw.exe" is located in %windir% (where %windir% is the Windows directory - C:Windows or C:Winnt)
    XScanRegistryScanregw.exeAdded by the STATOR WORM! Not to be confused with the legitimate ScanRegistry entry - which is a vital Windows file. The executable "Scanregw.exe" is located in %windir%System (where %windir% is the Windows directory - C:Windows or C:Winnt). Runs from the registry RunServices key as opposed to the Run key
    XScanSpyware v *Scanner.exeSpyware remover (where * = the version number) of dubious repute, see this list of Rogue/Suspect Anti-Spyware Products & Web Sites
    NSCardSvrscardsvr.exeRelated to SmartCard readers and sometimes uses lots of system resources
    XSCardSvrSCardSvr32.ExeAdded by the MOFEI.B WORM!
    NScheduled MaintenanceScheduled_Maintenance.exeScheduler for Iolo System Mechanic tweaking utility. It can cleans your registry and deletes temporary files at defined intervals. Available via Start -> Programs
    XScheduling AgentScheduler.exeAdded by the SUBWOOFER TROJAN! Note - this is not the real MS Scheduling agent as the executable is incorrect
    XSchedulingAgantMMTASK.EXEAdded by the YAB.A TROJAN! Not the valid MusicMatch Jukebox which has the same filename
    USchedulingAgentmstask.exeMS Scheduling Agent displayed as a box with a stopwatch in the System Tray that is only needed if you have regular scheduled disk defragmenting, ScanDisk, etc. Required if you have regularily scheduled events such as weekly virus scans
    USchedulingAgentmstinit.exeMS Scheduling Agent displayed as a box with a stopwatch in the System Tray that is only needed if you have regular scheduled disk defragmenting, ScanDisk, etc. Required if you have regularily scheduled events such as weekly virus scans
    USchmailiSchmaili.exeSchmaili - insert animated smilies into your e-mail
    YSCHWIZEXSCHWIZEX.EXEPart of ConfigSafe - lets you identify changes to the registry, INI files, System asset files, system hardware, network connections, and operating system versions - provides a restore function. This part takes a snapshot of your system following a healthy re-boot
    XScManagerscman.exeAdded by the FORBOT-CW WORM!
    Xscopedllscopedll.exeAdded by a variant of the CRYPTER.C TROJAN!
    NScotia OnLine Recoveryetdirrcv.exeScotia OnLine Security Software provided by Entrust for Scotiabank. Provides trusted secure access to Scotia OnLine Secure Web sites. *.* represents the version number. Now obsolete after Scotiabank modernised their login process
    NScotia OnLine Security v*.* Recoveryetdirrcv.exeScotia OnLine Security Software provided by Entrust for Scotiabank. Provides trusted secure access to Scotia OnLine Secure Web sites. *.* represents the version number. Now obsolete after Scotiabank modernised their login process
    XScrscr.scrAdded by the OPASERV.T WORM!
    NScrapPadScrappad.exeScrapPad allows you to quickly and easily record notes, thoughts, messages, and just about anything you want. Use it like you use scrap paper
    UScreen Calendarscrcal.exeScreen Calendar allows you to create custom desktop wallpapers with built in active calendar and scheduler
    UScreen Guardlaunch.exePart of Access Denied security and privacy software
    UScreen Guard Message Scansgms.exePart of Access Denied security and privacy software
    NScreen Saver ControlFSScrCtl.exeInstalls as part of the Hubble Space Telescope screen saver (and possibly others). Lets you control your installed screensavers from a System Tray icon
    NScreenPrint32ScreenPrint32.exeScreenPrint32 screen capture software - can be launched manually
    ?screxescruser2k.exe??
    ?scriptscript.batMaybe associated with DOS on a Win9x machine
    YScriptBlockingSBServ.exeUpdate to Norton AntiVirus 2001. Detects certain types of script-based viruses without the need for specific virus definitions - such as JavaScript and VBScript. This will help protect you from these viruses even before virus definitions are available. Note - some users complain of problems once the update is installed - refer here for more information
    YScriptSentryScriptsentry.exeScript Sentry from Jason's Toolbox. Blocks malicious scripts and allows safe scripts to run. Only required if you want it to check the file associations it guards at startup. It will function regardlessly
    UScroll-In-Mouse V2.0SCROLL.EXEToolkit for the Lynx-3D Net scroll mouse from QTronix. Required if you use the special features
    XScrSvrScrSvr.exeAdded by the OPASERV WORM!
    XScrSvrOld[worm filename]Added by the OPASERV WORM!
    YScsiScsi.exeSCSI Miniport driver
    Xscvhostsvzhost.exeAdded by a variant of the SPYBOT WORM!
    Xscvhost loaderixplore.exeAdded by the SDBOT-CY TROJAN!
    Xscvhost.exescvhost.exeAdded by the LOHAV-N TROJAN!
    Xsd32infosd32info.exeAdded by the CRYPTER.A TROJAN!
    USDaemonsdaemon.exePC Security from Tropical Software. 'PC Security? 5.1 is the ultimate in computer security, offering multiple locking systems for the Windows environment and internet. Lock files, monitor programs' activities, even detect intruders! PC Security offers flexible and complete password protection, "Drag and Drop" support, plus many other handy features'
    NSDetectSDetect.exeScanSuite Scanner Detector - part of ScanWizard, supplied with Microtek scanners. Waits until you press the "GO" button and seems to serve no other purpose. Automatically installed without prompting. Not required if you can start your scanning application before pressing the "GO" button
    Xsdfsdfsdfsp2update.exeAdded by a variant of the SPYBOT WORM!
    XSDIN Adaptersdin.exeAdded by the FORBOT-AP WORM!
    ?SDJobChecktriggusr.exePart of CA Unicenter Software Delivery - manage software across various systems, from desktops and servers to PDAs and mobile phones, in a controlled and standardized way - is it required at startup?
    NSDPhotoBar.exeSDPhotoBar.exeSmartDraw Photo - "organize, enhance, print, and share your photos. It's also a powerful graphic editor for creating images and web graphics"
    Usealmonsealmon.exeSealedMedia enables you to combine document protection and control with your existing applications - such as Microsoft Word, Microsoft Excel, Microsoft PowerPoint and Email
    ?Search Hooksrchhook.exe??
    XSearch Pagehttp://find.naupoint.comNaupoint browser hijacker
    XSearch-ExeSE.exeSearch-Exe hijacker
    XSearch.vbsHijacker
    XSearchEnhancementscbar.exeIE search hijacker
    Xsearchnavsearchnav.exeSearchNav adware - IEFeatures/Popnav variant
    XSearchNavVersionsearchnavversion.exeSearchNav adware - IEFeatures/Popnav variant
    XSearchSettersearchsetter[1].exeBrowser hijacker - redirecting to FindWhateverNow.com
    XSearchSquire33SearchUpdate33.exeSearchSquire parasite
    XSearchUpgraderSearchUpgrader.exeHijacker
    USecondChancesctray.exePower Quest Second Chance. Sets checkpoints for saving a backup copy of the registry to a disk so you can restore it if you have a crash
    XSecret-Crushstart.exeHijacker that may reset your browser's home page and/or search settings to point to undesired sites
    USecsysSecsys.exeKey Interceptor - surveillance software that creates records of everything people do on a computer, ie, spying or monitoring depending upon how you call it
    NSecureCleanIECleanSCIEClean.exeSecureClean - scans your system for hidden temporary files, deleted email messages, Internet histories and caches
    USecureItProSecureitpro470p.exeSecureIt Pro - lock your computer when you're not there, to stop malicious users from accessing your desktop
    XSecureLoginMslg32.exeAdded by the REDZED WORM!
    USecurity ManagerSecurityManager.exeA ComCast Internet software suite that provides a variety of features (firewall, popup blocker, parental controls etcetera) to help ensure your computer is secure, and your information is kept private
    Xsecurity servicesyss.exeAdded by an unidentified WORM or TROJAN!
    YSECWIZ98SECWIZ98.EXESecurity Wizard 98 by Chris Farmer. Offers you a variety of ways to restrict access to many of the programs and settings on your PC. Available here
    ?SelfHostUtilslefhost.exe??
    USeMSSeMS.exe

    PCsms - tool that enables you to send sms text messages from your PC to any UK mobile phone

    USensivaSensiva.exeSymbol Commander makes the use of your PC, laptop, Tablet PC, and Pocket PC much easier and much faster. It recognizes your handwriting with unparalled performance and executes commands in a snap. Just by using your mouse, pen, or touchpad, simply draw symbols to execute actions instantly
    XSENTRYSENTRY.exeFrom IP Insight. Allows website owners "to instantly determine the precise geographic location, connection speed and detailed demographics of every visitor to your website". Will be detected by most firewalls and the majority of home users should disable it 
    XSerialsserials.exeAny one of a variety of worms and trojans
    Yserrdctl.exeserrdctl.exe"Shared Modem Service Client Event Viewer" - used when a number of PCs have access to a number of modems. Required to be running on each PC for access to the modems
    NServ-Userv-u32.exeFTP server
    XServ-Uwssdsu.exeAdded by the MANIFEST TROJAN!
    Xserverserver.exeAdded by the DELTAD.A WORM!
    XSERVER.EXESERVER.EXEAdded by the BUSHTRO122 or SMOKODOOR TROJANS!
    XserverexServer.txt.vbsAdded by the DELTAD.A WORM!
    UServiceservice.exeAdded by the ALADINZ.H TROJAN!
    XServiceservices.exeAdded by the NETSKY or NETSKY.B WORMS! Note - this is not the legitimate services.exe process which should NOT appear in Msconfig/Startup!
    XService[trojan filename]Added by the KAITEX.E TROJAN!
    NService Connectionsccenter.exeFor Compaq PC's. Part of Backweb
    NService Connectionbwtray.exeFor Compaq PC's. Part of Backweb
    XService ControllerCsrrs.exeAdded by the GAOBOT.AO WORM!
    XService Host[filename].exeAdded by the TORVEL.B WORM!
    XService Hostspoolxx.exeAdded by the TORVEL WORM!
    XService Host svchost.exeAdded by the TORVEL WORM! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    XService Host Driversvchost.exeAdded by the HITON TROJAN! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    NService Managersqlmangr.exeSQL Server Service Manager - provides tray access to SQL server, the server agent and MSDTC. Available via Start -> Programs
    XService Managerdxsound.exeAdded by the PROXY-GRIC TROJAN!
    XService ProcessSVCHOST.EXEAdded by the DARKER WORM! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    XService Processwinset.exeAdded by a variant of the SPYBOT WORM!
    Xservice updaerqualityz.exeAdded by an unidentified VIRUS, WORM or TROJAN! - probably a SPYBOT variant
    XService.exeService.exe"servedby.advertising" popup generator
    UServiceConfigispbeg.exeComcast Transition Wizard. On June 30th, 2003 it will migrate E-mail and web pages from AT&T Broadband Internet to Comcast High-Speed Internet. Until then it will run at startup and then terminate - hence the U recommendation
    YServiceLayerServiceLayer.exeNokia Connectivity Library support task that is needed by NCLTRAY and by the Nokia Connection Manager for either to work properly
    Xservicesstart.batAdded by the ZCREW TROJAN!
    XServices[path to trojan]Added by the METEORSHELL TROJAN!
    XServicesback32.exe ...service.exeAdded by an unidentified VIRUS, WORM or TROJAN! Back32.exe is the baddie whose purpose is to HIDE the MIRC32 server in service.exe
    XServicesservices.exeAdded by a number of VIRUSES, WORMS and TROJANS! Note - this is not the legitimate services.exe process which should NOT appear in Msconfig/Startup!
    XServiceswinread.exeAdded by an unidentified VIRUS, WORM or TROJAN!
    XServices Controllerlsassa.exeAdded by the CIADOOR.122 VIRUS!
    XServices HostScchost.exeAdded by the DONK WORM!
    XServices.EXEservices.exeAdded by the KAZPING WORM! Note - this is not the legitimate services.exe process which should NOT appear in Msconfig/Startup!
    Xservices.exeServices.exeAdded by the CIADOOR-F TROJAN! Note - this is NOT the legitimate services.exe process, which should NOT figure in Msconfig/Startup!
    XServices004[worm filename]Added by the BUGBROS WORM!
    ?ServUTrayIconServUTray.exeSystem Tray icon for Serv-U FTP server. Is it required?
    XSESyncsed.exeDownloadware/SED adware downloader
    ?SetDefaultMIDIMIDIDef.exeRelated to a Soundblaster Audigy soundcards. What does it do and is it required?
    ?setdefprtsetdefprt.exeRelated to a Brother printer?
    USetecCertUtilCertutil.exeSetec Web and Email Security. Setec PKI smart card software. The PKI technology enables secure and reliable user identification in services offered through Internet, mobile handsets and digital TV
    XsetFTPBackcreatesw.exeAdded by the FTP_BMAIL TROJAN!
    NSetHookSetHook.exeFellowes Neato CD label design software. "Launch NEATO's MediaFACE II label making software directly from the productname toolbar"
    NSETI@homeSETI@home.exeSETI@home is a scientific experiment that uses Internet-connected computers in the Search for Extraterrestrial Intelligence (SETI). You can participate by running a free program that downloads and analyzes radio telescope data
    NseticlientSETI@home.exeSETI@home is a scientific experiment that uses Internet-connected computers in the Search for Extraterrestrial Intelligence (SETI). You can participate by running a free program that downloads and analyzes radio telescope data
    NSetIconSetIcon.exeInstalled by a 6-in-1 (4 Media Card slots, a floppy drive and a USB connection) device. Constantly updates the icons for the four Media Card slots that it has and is a resource hog
    NSetiQueueSetiqu~1.exeProvides work unit buffering for Seti@Home clients - see here for more details
    NSetiSpySetiSpy.exeFrom the site - 'SETI Spy is a little program I wrote to "spy" on the progress and performance of the SETI@home client. I call it a "spy" because I tried to make it as unobtrusive as possible'
    ?SetRefreshSetRefresh.exeFound on a Compaq PC. Video refresh rate utility? Is it required?
    XSettingsysweb.exeAdded by the SDBOT.GEN TROJAN!
    Nsetuphphprld.exe ....setup.exeHP DeskJet Setup - printers function normally without it
    NSetupICWDesktopicwconn1.exeAppears to be the "Internet Connection Wizard" from Internet Explorer being set-up as a desktop shortcut. Appears under the RunOnce registry key but is available under Start -> Programs -> Accessories -> Communication (or similar) anyway
    Xsetupuserregedit.exe setupuser.logRegfile in disguise - another CoolWebSearch parasite variant
    ?setuzpsetuzp.exe??
    XSetVrcsetvrc.exeAdded by the HUNTOCX WORM!
    XSex Terisst01b.exeAdded by the REPAD WORM!
    XSexy_sgSexy_sg.exePremium rate adult content dialler
    NSFPvzSFPWin.EXEVerizon Online Support Center - prompts for online updates
    XSFtrb Servicecftrb32.exeAdded by the SOBIG.D WORM!
    USfWinStartInfosfWinStartupInfo.exe

    SFIRM32 Online Banking software

    USgecryptSgecrypt.exeSafeGuard Easy - "provides total company-wide protection for sensitive information on laptops and workstations. Boot protection, pre-boot user authentication and hard disk encryption using powerful algorithms guarantee against unauthorized access and hacker attacks"
    USgeecviewEcview.exeSafeGuard Easy - "provides total company-wide protection for sensitive information on laptops and workstations. Boot protection, pre-boot user authentication and hard disk encryption using powerful algorithms guarantee against unauthorized access and hacker attacks"
    Nsginstsginst.exeeAcceleration Stop-Sign related - not recommended, see note
    ?SGTBoxSGTBox.exeCanon scanner driver. Is it required?
    Usgtraysgtray.exeStorageGuard from Veritas. Free utility that integrates with Backup MyPC (formerly Backup Exec Desktop), Simple Backup and MS Backup. Provides system tray access and background monitoring - warning you of files that haven't recently been backed up. Required unless you backup manually on a regular basis or have scheduled backups
    Xshambl3rcnf.batAdded by the REMABL WORM!
    Xshambl3r*shambl3r.exeAdded by the REMABL WORM! where * is 2 to 11
    NShare-to-Web Namespace Daemonhpgs2wnd.exe"HP's exclusive Share-to-Web software makes it easy to share content with others through our affiliate Internet websites." In other words an application that allows users to upload scanned images to their personal webpages if desired. Available via Start -> Programs
    NShareazaShareaza.exeShareaza P2P client
    Xsharedpremsharedprem.exeAdded by the MAKECALL TROJAN!
    YSharing and Mapping SoftwareDShmap.exeIntel AnyPoint internet sharing software
    NSharkEjectAEJCT32.exeAllows you to eject a disk from the Avatar Shark drive from the system tray. When loaded, there is a desktop icon so this isn't required
    NShcenterchcenter.exeIMSI HiJaak - "the easiest way to convert, capture, and manage all your graphic files"
    XSheduIersvchst.exePremium rate adult content dialler
    XShellShell32.exeAdded by the BADSECTOR TROJAN!
    XShellray.exeHomepage hijacker re-directing browsers to adult content websites
    XShellTray.exeHomepage hijacker re-directing browsers to adult content websites
    XShell Extensionspollsv.exeAdded by a variant of the LOVGATE WORM!
    XShellApiSHELLMSN.EXEAdded by the NETDEV.B TROJAN!
    XShellapi32Shellapi32.exeAdded by the NETDEVIL (or NERTE) TROJAN!
    XShellCommand[path to file]Added by the REMCON-A TROJAN!
    XShellExShellEx.exeAdded by the ANAKHA TROJAN!
    Xshellsystemshellsystem.exeAdded by the UPCHAN TROJAN!
    Nshicoxpshicoxp.exeInstalled with the drivers for multi card readers of various brands. To differentiate between the various card slots on multi slot readers the shicoxp.exe file assigns and loads unique drive icons for the various card slots that are displayed in Windows Explorer
    XShineShine.exeAdded by the HAPPYLOW (or NISHE-A) VIRUS!
    ?SHINITVshinitv.exe??
    XShmgrate.exeibot4.exeAdded by the GASTER TROJAN!
    NShockmachineReminderSmReminder.exeShockmachine is an entertainment playback device that lets you save your favorite Shockwave.com titles and play them back in full-screen mode, off-line, anytime. Could be a registration reminder for the trial version
    XShockwavecsrss.exeAdded by the SNDOG WORM! Note - this is not the legitimate csrss.exe process, which should not appear in Msconfig/Startup!
    NShockwave InitSWINIT.EXEPart of Macromedia Shockwave. Controls the Shockwave Remote Control Panel. The Remote Control can be activated manually from the Start Menu by locating and selecting Shockwave and then Shockwave Remote under Programs
    NShortKeys 99SHORTKEY.EXEShortKeys from Insight Software Solutions - allows you to program keys with text strings
    XShowbehindSHOWBEHIND.EXEAdvertisement display which can be stopped here
    ?ShowIcon_SmartDisk Corporation_USB Card Reader v1.14e051shwicon.exeCard reader for memory cards from digital cameras. Is it required?
    USHPC32SHPC32.exePort monitor for Lexmark printers on a USB connection. Ties in with the Printer Control Program. Features like cancelling a print are unavailable if disabled
    YShStatEXESHSTAT.EXEFrom McAfee VirusScan NT 4.x. Handles program communication among VShield components, displays VShield icon. Can be started automatically or available via Start -> Programs
    UShutdownawareshutdownaware.exeLoaded by the SWEEX 6-in-1 Media Card Reader to properly manage the reader while it is connected to your system
    UShutDownProShutDownPro.exeShutDownPro - shutdown, reboot, logoff your System with one mouse click
    ?Si MeterSIMETER.EXE??
    Xsi91e44brundll32.exe [path] si91e44b.dll, EnableRunDLL32LZIO.com adware downloader
    XSicomSicom.exeAdded by the NETLIP WORM!
    USideACTSideACT.exeSideACT organizer software
    XSidebarSidebar.exeSearchcentrix hijacker
    NSideWinderTrayV4SWTrayV4.exeMS SideWinder game controller system tray icon. This is specific to version 4 of the software. Available via Start -> Programs
    ?SigXsigx.exe??
    XSigXCSigX.exeSigX is a "dynamic signature image generated based on whatever data your computer sends it though our SigX program. It can display your current Mp3, current OS, Free Ram, your current time and more"
    NSimcastSimcastAlerts.exeSimcast is a free service that allows you to subscribe to information on a large variety of topics. Alerts will appear on your desktop when a channel that you have subscribed to has something to say
    USimpLite-MSNSimpLite-MSN.exeRequired if you use the SimpLite add-on to MSN Messenger (SimpLite adds encryption to the instant messaging service)
    XSingaporesingapore.exeAdds a blue crescent to the taskbar and when double-clicked displays an adult-content web-site. Also known to drop your internet connection and dial an international telephone number. See here for more information. Must be disabled in MSCONFIG before un-installing or it re-instates itself
    USIPPSSIPPSSIPPS.exeWeb.de Internet phone utility
    NSiS KHookerkhooker.exeSiS Keyboard Daemon. System Tray utility which gets installed by the drivers of the latter day SiS VGA cards. Can cause errors at startup and isn't required
    USiS Traysistray.exeSystem Tray icon for SiS based graphics. Note - this resides in C:WindowsSystem
    ?SISAM10MSISAM10M.exe??
    NSiSAudioMP_S3.exeWinME patch for an older SiS 961 chipset FERR bug. Enable if you have audio problems
    Usiscolorcolor.exeProbably on-board graphics related based upon the SiS chipsets. Has been seen on ASUS motherboards with SiS chipsets and known to cause conflicts if you choose another graphics card and disable the on-board
    UsiService.exesiService.exeSpam Inspector - anti email spam software
    ?SiSSetCDfmtSiSSetCDfmt.exeRelated to a Silicon Integrated Systems Corp (SiS) product?
    ?SISSoundmanSoundman.exeRelated to a Silicon Integrated Systems Corp (SiS) product?
    USiSSWLEDsisswled.exeSystem Tray utility for SiS 900 network cards
    Xsistrai.exesistrai.exeAdded by the PROVA TROJAN!
    Xsistraysistray.exeAdded by the PROVA TROJAN!
    Usistraysistray.exeSystem Tray icon for SiS based graphics. Note - this resides in C:WindowsSystem
    Xsistrysistry.exeAdded by the CEBE WORM!
    NSiSUSBRGSiSUSBrg.exeSiS USB Registry Patch File - fixes the undetectable problem with SiS USB controller on Windows XP
    USK9910DMSK9910DM.EXEMulti-function keyboard driver. Allows the use of programmable keys on mulimedia keyboards. Required if you use the additional keys
    USKDAEMONSKDAEMON.EXEMulti-function keyboard driver. Allows the use of programmable keys on mulimedia keyboards. Required if you use the additional keys 
    Uskinkersskinkers.exeSelection of desktop messaging/marketing tools with celebrity tie-ins including MTV's "Desktop Ozzy" and Arsenal's "Desktop Wenger" - see here. Leave enabled if you want to receive messages
    YSkyBlaster SchedulerSSFSch.exeFor Gilat Communications internet satellite systems - associated with SkyBlaster modem. Required if you have this system
    Xskynetave.exeskynetave.exeAdded by the SASSER.D WORM!
    XSkynetRevengewinlogon.scrAdded by the NETSKY.AA WORM!
    NSkypeSkype.exe"Skype is free and simple software that will enable you to make free calls anywhere in the world in minutes"
    YSkySurfer Management ServiceSmaServ.exeFor Gilat Communications internet satellite systems - associated with SkyBlaster modem. Required if you have this system
    NSleepManagerSleepMgr.exeThis program locates free contiguous disk spaces and allocates them for storing BASE MEMORY, EXTENDED MEMORY, VIDEO MEMORY, and SM RAM. It helps the computer come out of hibernate mode
    USlickRunsr.exe"SlickRun is a floating command line utility for Windows. It gives you almost instant access to any program or website. SlickRun allows you to create command aliases (known as MagicWords), so C:Program FilesOutlook Expressmsimn.exe becomes MAIL"
    XslideIexplore.exeAdded by the GASLIDE TROJAN! Note - this is not the legitimate Internet Explorer (iexplore.exe) process, which should not appear in Msconfig/Startup unless you add it manually!
    Nslimp3SliMP3 Server.exeSlimp3 Server - "presents an entirely new way of accessing and enjoying your music collection. Instead of storing your music on CDs or memory cards, the SliMP3 uses your home network to access the music stored on your PC"
    NSlingshotSLINGS~1.EXEAtomica Slingshot - "reference tool with access to dictionary and encyclopedia terms, bios, technical terms, history, geography, and much more"
    Xslmssslmss.exeSeekSeek search hijacker related - as seen here
    Xslvchost32slvchost32.exeAdded by an unidentified VIRUS, WORM or TROJAN!
    ?SM1BGSM1BG.EXEUSB driver for downloading from within Napster to portable MP3 players. Is it required to run at startup or can it be run manually?
    NSm56aclsm56hlpr.exeHelper utility for Motorola based SM56 software modems - resides in the System Tray
    NSmappsmtray.exeSystem Tray access for the Compaq/ADI SoundMAX integrated digital audio controller
    NSmart Card ServiceScardSvr.exeFor Smart Card readers. Known to cause problems, especially for Windows 2000 users - see here. Probably not required unless you use such a device regularly
    USmart Connect MonitorSCMon.exeAppears on a Sony Vaio. Smart Connect Version 2.1 enables data transfer between Vaios via i.LINK cable. Smart Connect supports File and Printer Sharing for MS networks. You can copy files from your Vaio to another Vaio or print using a printer connected to a remote Vaio
    USmart Connect SetupSCSetup.exeAppears on a Sony Vaio. Smart Connect Version 2.1 enables data transfer between Vaios via i.LINK cable. Smart Connect supports File and Printer Sharing for MS networks. You can copy files from your Vaio to another Vaio or print using a printer connected to a remote Vaio
    NSmart Label O Serverssloserv.exePart of the printer software for the smart-label printer made by Seiko. Can be disabled safely
    NSmart Label RFViewerSSLFVIEW.EXEPart of the printer software for the smart-label printer made by Seiko. Can be disabled safely
    NSmart Type Assistantsta.exeSmart Type Assistant - a complex typing automation tool, intended to make your work faster and safer
    USmartalecpcaccel.exeSmartalec PC Accelerator - system optimization utility
    NSmartBarXPSmartBarXP.exeSmartBarXP is a bar that runs down the side of your screen, and can be configured to display interactive panels known as 'panes'. These panes include media players, slideshow and image viewing panes, a virtual desktop manager, and live news, weather and stock feeds to mention but a few
    NsMaRTcaPsSMARTC~1.EXEsMaRTcaPs from Phoebus LLC - enables you to configure the time needed to depress Caps Lock, Num Lock & Insert keys
    ?SmarthruengineQS.exeUnknown but disabled without problems
    USmartPCXLpcaccel.exeSmartalec PC Accelerator - system optimization utility
    NSMax4SMax4.exeSystem Tray icon for SoundMax integrated sound. Sound properties can be accessed through the Start Menu or Control Panel
    USMax4PNPSMax4PNP.exeSoundMax integrated sound. Required if you have custom settings for your sound, such as effects and environments
    ?smbdpmismbdpmi.exeIBM Netfinity Director and Universal Management Services related. What does it do and is it required?
    Ysmcsmc.exeSygate Firewall
    Ysmcspfsmc.exeSygate Firewall
    YSMC Servicesmc.exeSygate Firewall
    YSMC Servicespfsmc.exeSygate Firewall
    YSmcServicessmc.exeSygate Firewall
    YSmcServicesspfsmc.exeSygate Firewall
    ?Smcsta.exeSmcsta.exeSMC Networks wireless PCI card driver. Is it required?
    NSmith Micro trysmiptray.exeSmith Micro shared files. Comes with D-Link web cam
    USMS Application LauncherLAUNCH32.EXEMicrosoft Systems Management Server - used to manage computers on a network remotely
    USMS Client Serviceclisvc95.exeWhen the SMS Client service starts on a domain controller, the Client service modifies the SMSCliToknAcct & user account group membership, user rights, and account comment. The Client service then waits for the synchronization of the comment to verify that the account and user rights are properly set for this account. This account is used to obtain a token to start the SMS Client processes, such as the Software Inventory and Software Distribution agents (MS Systems Management Server)
    USMS Win9x Message Agent??This program assigns a user to a Systems Management Server site
    YSmserialsm56hlpr.exeMotorola based modem driver
    NSMSI LoaderSMLoader.exeSmith Micro HotFax - fax software
    XSMSSsmss.exeAdded by the FLOOD.F TROJAN! Note - this is not the legitimate Smss.exe system file should normally NOT figure in Msconfig/Startup!
    Xsmss[path to smss.exe]Added by the ALADINZ.F TROJAN! Note - this is not the legitimate smss.exe process which should NOT appear in Msconfig/Startup!
    XsmsysExplorer.exeAdded by the CLICKER-C TROJAN! Note - the valid "explorer.exe" is located in C:Windows or C:Winnt whereas this one is located in a C:WindowsTemplate or C:WinntTemplate subdirectory
    Xsmsysvi.exeAdult content dialler
    NSMToolbarSMToolbar.exeStartMake.com toolbar
    ?SmWizardSmWizard.exeSmartWizard MFC Application - associated with C-Media who produce audio chipsets commonly used for on-board sound on motherboards. What does it do and is it required?
    ?snbrsnbr.exe??
    Xsncntrsncntr.exeAdult content dialler
    XSndcompatSndcompat.exeAdded by the GEMA TROJAN!
    USNDMonSNDMon.exePart of Symantec's LiveUpate (eg, Norton). Not required if you run manual upadtes but probably require if you leave them to run automatically. Also, if one runs a small office network and SNDMon is disabled on one of the computers ? then other computers disappear from the network for this computer, including shared devices like printers and scanners. Hence the "U" recommendation
    XSndsaverSndsaver.exeAdded by the GEMA TROJAN!
    ?sndsrvcSNDSRVC.EXEPart of Norton Personal Firewall and Norton Internet Security - what does it do and is it required?
    NSnsiconSnsicon.exeLaunches a screensaver program from Second Nature
    ?SO5 Integrator Pass Onesointgr.exeStarOffice 5. See here for more details
    ?SO5 Integrator Pass Twosointgr.exeStarOffice 5. See here for more details
    XSoarRwon.exePurityScan/Clickspring adware
    XSock32sock32.exeAdded by the SDBOT TROJAN!
    YSoDA StartupSodaStartup.exeUsed by the Rational SoDA project management tool. Unsure of it's actual purpose but it's recommended you leave it enabled if you use the software
    NsofficeSOFFICE.EXEDisplays StarOffice quick start applet in System tray. Right clicking on the icon allows rapid starting up of components of the StarOffice 6.0 suite. Available via Start -> Programs. Automatically started when any StarOffice 6.0 component is started from the Start -> Programs. A resource hog (it eats > 16 MB of memory).
    XSoft Profile Inchxdef.exe...Added by a variant of the LOVGATE WORM!
    YSOFTinstN/AFor Gilat Communications internet satellite systems. Gilat rescue (Satellite system restore). Required if you have this system. Can cause a BSOD (blue screen of death) if left out
    XSoftwaresoftware.exeAdded by the CRABTON-B TROJAN!
    YSolo SentrySolosent.exeSolo Antivirus
    USoloScheduleSolocfg.exeScheduler for Solo Antivirus. Leave enabled unless you scan manually on a regular basis
    Xsomaticsomatic.exeSearchcentrix hijacker
    NSonic A3D Controlvrtxctrl.exeSound related options
    NSoniqueQuickStartsqstart.exeQuickstart for Sonique audio player. Available via Start -> Programs
    ?SonnRegSonnReg.exePart of E-Color 3Deep for color calibration. Possibly a registration reminder?
    ?Sootrcea.exe??
    ?sophagntsophagnt.exePossibly related to Sophocles Screenwriting Software?
    XSOSSOS.exeAdded by the PHILIS VIRUS!
    ?SoSyncMonitorSoSyncMonitor.exeSuperOffice related. What does it do and is it required?
    XSound Loadersndloader.exeAdded by the AGOBOT-BV WORM!
    XSound servicesSOUND32.EXEAdded by the AGOBOT.GG WORM!
    XSound SystemWinSound1.exeAdded by an unidentified VIRUS, WORM or TROJAN!
    Xsoundcontrlsoundcontrl.exeAdded by the GAOBOT.AFJ WORM!
    Xsounddrvsndbdrv3104.exeCoolWebSearch parasite variant
    ?SoundFusionrundll32 cwcprops.cplControl panel item for the Terratec DMX Xfire 1024 soundcard (Start -> Settings -> Control Panel) based upon a Cirrus Logic "SoundFusion" DSP. Does it need to run at start-up every time?
    ?SoundFusionrundll32 hercplgs.cpl, BootEntryPointControl panel item for Hercules Fortissimo soundcards (Start -> Settings -> Control Panel) based upon a Cirrus Logic "SoundFusion" DSP. Does it need to run at start-up every time?
    Nsoundmansoundman.exeSystem Tray icon for the Realtek AC97 Audio Sound Manager for AC97 onboard audio. Available via Start -> Settings-> Control Panel
    NSoundMAXSMax4.exeSystem Tray icon for SoundMax integrated sound. Sound properties can be accessed through the Start Menu or Control Panel
    USoundMAXPnPSMax4PNP.exeSoundMax integrated sound. Required if you have custom settings for your sound, such as effects and environments
    XSoundmxSoundmx.exeCoolWebSearch parasite variant
    Xsoundtaskssoundtasks.exeAdded by a variant of the CRYPTER.C TROJAN!
    Xsoundtctrlssoundtctrls.exeAdded by the AGOBOT-ZV WORM!
    XSoundViewmsdview32.exeTrojan downloader
    Xsounoftssounofts.exeAdded by the AGOBOT-ND WORM!
    NSourcePathgwreg.exeUsed to update Gateway registry settings for System Restoration Kit and Web update programs
    Xspsp.regIE search hijacker - changes the default search to http://www.gocybersearch.com/
    Xspregedit-s .... sp.dllMalicious javascript annoyance that changes the default search engine in IE to one of many including "topsearcher". See here for more and a fix
    USP TimeSyncSP TimeSync.exeSP TimeSync lets you synchronize your computer's clock with any Internet atomic clock (time server)
    XSP00LSVSp00lsv.exeAdded by the GRAYBIRD.E TROJAN!
    Xsp2ctrsp2ctr.exeAdded by the DLUCA-M TROJAN!
    USpam SleuthSpamSleuth.exeSpam Sleuth E-mail spam detection program
    Uspamihilatorspamihilator.exeSpamihilator - spam filter
    USpamPalspampal.exeSpamPal - anti-spam tool
    USpamSubtractSpamSubtract.exeIntermute SpamSubtract - junk email detection and removal program
    Nspc_whcm.exeNetZero Search related
    NSpdstartSpdstart.exeNorton Utilities Speed Start. "This feature optimizes the start up speed of launching applications, such as Word and Excel."
    USpeaking Clock DeluxeSpClDlx.exeSpeaking Clock Deluxe - turns your computer into a speaking clock with several languages. It can also keep track of up to 50 alarms that can be set to a time and a date, and be repeated daily, weekly, monthly and yearly
    XSpecial Firewall Serviceavguard.exeAdded by the NETSKY.G WORM!
    XSpecialOffersSpecialOffers*.exe [* = digit]Specialoffersnetworks.com adware. "Special Offers is a state of the art advertising product that delivers to you contextually relevant web offers including discounts and coupons"
    XSpecialOffersSpecialOffers.exeSpecialoffersnetworks.com adware. "Special Offers is a state of the art advertising product that delivers to you contextually relevant web offers including discounts and coupons"
    NSpeed racerCTSRReg.exeSoftware for a Creative sound card
    USpeed Tecspeedtec.exeAccel SpeedTec from Montana Software speeds up your modem. SpeedTec modifies the Internet Protocol settings in the Windows registry to speed downloads on all modems. If you find this improves your connectivity and download speeds leave this enabled
    XSpeedBoss[worm filename]Added by the OPASERV.AD WORM!
    USpeedkeySPEEDKEY.EXEAdditional keyboard shortcuts on MS programmable keyboard
    USpeedMeterSpeedMeter.exeApplication measuring upload and download speed
    USpeedOptimizerspo.exeSpeedOptimizer is designed to optimize and speed-up your Internet data transmission including browsing, streaming, downloading, uploading and e-mail communication
    USpeedtouch USB DiagnosticsDragdiag.exeFor an external Alcatel ADSL high-speed modem. A diagnostic tool and can be run from the Start menu when required. The only reason it might be useful on startup is if you like seeing an 'at-a-glance' status indicator on the taskbar (the icon is a different colour depending on the status of the device/line)
    XSpees1speedy.scrAdded by the OPASERV.Y WORM!
    XSpees2Speedy.batAdded by the OPASERV.AD WORM!
    XSpees3SPEEDY.PIFAdded by the OPASERV.AD WORM!
    NSpellex Anywheresa.exeSpellex-Anywhere - adds spell checking functionality to almost any Window program. Create a shortcut and run manually before it's to be used
    YSpIDerMailspiderml.exeDrWeb antivirus Spider Mail e-mail scanner
    NSpinner Plusspinner.exe"Spinner Plus lets you listen to over 100 channels of music broadcast from Spinner.com. Spinner Plus uses RealNetwork's G2 technology to provide high-quality online audio. The technology adjusts the audio streaming to match your Internet connection speed, which helps eliminate sound distortion or choppiness". Available via Start -> Programs
    XSPINXWscript.exe OXNEY.B.VBSAdded by the YENO.B and YENO.C WORMS!
    XSPntSPnt.exePremium rate adult content dialler
    USpokeSysTraySpokeSysTray.exeSpoke Software client application. Spoke "uses data in your e-mail and other enterprise information systems to discover the existing relationships of people in your enterprise. It then builds a private, secure relationship network for each user without any additional manual data entry"
    Xspoo1svspoo1sv.exeAdded by the SOULJET TROJAN!
    XSPOOL Configurationspoolsvc.exeAdded by the SDBOT-KD WORM!
    XSpool lptt01spool.exeVariant of the RapidBlaster parasite (in a "spool" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    XSpool ml097espool.exeVariant of the RapidBlaster parasite (in a "spool" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    XSpooler ServiceSpoolsrv.exeAdded by the JOINER.C1 TROJAN!
    XSpooler Sub System ProcessSPOOL32.EXEAdded by the YAB.A TROJAN!
    XSpooler Subsytem Appspoolsvc.exeAdded by the SDBOT-MM WORM!
    XSpoolerSubSystemProcessSpooI32.exeAdded by the EHKS.21 keylogger! Note - the "I" between "o" and "3" is a captial "i" not a lower case "L"
    Xspoolservspoolserv.exeAdded by the SDBOT-PN WORM!
    XSpoolServicespolsv.exeAdded by the AGOBOT-CS WORM!
    XSpoolsvSpoolsv.exeAdded by the CIADOOR.121 VIRUS! Note - "Spoolsv.exe" is located in the Windows or Winnt directory, and not in System32, like the legitimate Spoolsv.exe system file
    Xspoolsvr32csmss.exeAdded by the AGENT-AU TROJAN!
    Xspoolsvvspoolsvv.exeSearchcentrix hijacker
    ?SPPrun.exe??
    Xsppregedit -s spp.regIE search hijacker - changes the default search to http://www.hotsearchbox.com/ie/
    ?sppbridgesppbridge.exeAssociated with an Anycom bluetooth wireless card on laptops - used for printing to portable printers for example. Is it required or can it be started manually? 
    ?SprintPortSprintPortA.exeNovatel wireless modem related. What does it do and is it required?
    USPSTEALTSmartProtectorPro.exeSmart Protector Pro - internet privacy tool that erases tracks, MRU lists, etc
    ?spstorestoresp.exeSoftprobe - program designed to provide managers with an analysis of an individuals computer use who are under their supervision. This program is NOT related to Winpup
    USpy Blockerspyblocker.exeSpyBlocker blocks the communications of spyware installed on a PC so spyware runs but can't exchange data with the server to which it should report. Ensuring spyware can't communicate is important, as you may find after using Ad-Aware that some applications containing spyware subsystems may not run correctly or at all
    XSpyBlastSpyBlast.exeSpyware killer that is in effect autoinstalled foistware, targeted by SpyBot, among others
    XSpyBlocsSpyBlocs.exeRogue anti-spyware program
    USpybotSD TeaTimerTeaTimer.exeTeaTimer is a new tool of Spybot S&D - spam filter which perpetually monitors the processes called/initiated. It immediately detects known malicious processes wanting to start and terminates them giving you some options, how to deal with this process in the future
    USpyBotSnDSpybotsd.exeSpybot - Search & Destroy - free multi-spyware removal tool from Patrick Kolla
    XSpybott lptt01spybott.exeVariant of the RapidBlaster parasite (in a "Spybott" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    XSpybott ml097espybott.exeVariant of the RapidBlaster parasite (in a "Spybott" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    USpyCop ScanCheckMAIN.EXESpyCop surveillance software detection - checks to see when your machine was last scanned and if it was more than a week asks if you want to scan
    NSpyHunterSpyHunter.exeSpyHunter - spyware remover of somewhat dubious repute, see note
    USpykillerSpykiller.exeShareware "Spyware remover" of questionable quality and repute. There are better alternatives that are freeware to boot
    XSpyNukerSpynuker.exeA "spyware removal program" by TrekBlue, which is being heavily advertised through junk e-mail from its affiliates and misleading fake-dialogue-box web advertising. This is the same company as E-mail marketers ?TrekData? and ?Blue Haven Media?, who distribute spyware through ActiveX drive-by-download on web pages
    NSpySpotterSpySpotter.exeSpyware remover of dubious repute, see this list of Rogue/Suspect Anti-Spyware Products & Web Sites
    USpyStopperspystopper.exeSpyStopper - blocks intrusive spyware, Web bugs, worms, scripts, advertisements, and cookies. Protects you from being profiled and tracked
    USpySubtractSpySub.exeSpySubtract - multi spyware removal tool
    USpySweeperSpySweeper.exeSpy Sweeper - detects and removes spyware
    XSpywareSpyware.exe

    BPS Spyware Remover - reportedly uses an old, "borrowed" SpyBot database. Read this and this. Do not support these guys!

    NSpyware BegoneSpywareBeGone.exeSpyware BeGone - free spyware removal utility. Not recommended - see note
    NSpyware Begonefreescan.exeSpyware BeGone - free spyware removal utility. Not recommended - see note
    USpyware Doctorspydoctor.exeSpyware Doctor spyware remover
    USpyware Guard Control Panelspywar~1.exe

    "SpywareGuard provides a real-time protection solution against spyware"

    XSpyware Nuker InstallerSpywareNukerInstaller.exe

    A "spyware removal program" by TrekBlue, which is being heavily advertised through junk e-mail from its affiliates and misleading fake-dialogue-box web advertising. This is the same company as E-mail marketers ?TrekData? and ?Blue Haven Media?, who distribute spyware through ActiveX drive-by-download on web pages

    XSpyware removerRemove_spyware.exeUnidentified, but not known to belong to any known spyware remover, and strongly suspected to be adware related!
    USpyware ScannerAseScanner.exeAluria Software's spyware removal tool - we can't really recommend this product as Aluria have recently partnered with WhenU, the well known adware company, see here and here
    XSpyware SlayerSpywareSlayer.ExeSpyware remover of dubious repute, see this list of Rogue/Suspect Anti-Spyware Products & Web Sites
    NSpyware StormerSpywareStormer.ExeSpywareStormer spyware remover. Not recommended - see here
    XSpyware VanisherFreeScanner.exeSpyware remover of dubious repute, see this list of Rogue/Suspect Anti-Spyware Products & Web Sites
    USpywareGuardsgmain.exe

    "SpywareGuard provides a real-time protection solution against spyware"

    XSpywareGuardwinproc32.exeStartpage adware Trojan
    XSpywareguard lptt01Spywareguard.exeVariant of the RapidBlaster parasite (in a "Spyguard" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    XSpywareguard ml097eSpywareguard.exeVariant of the RapidBlaster parasite (in a "Spyguard" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    XSpywareGuardPluswinmm64.exeStartPage.ht homepage hijacker
    NSpywareKillaSpywareKilla.exeSpyware remover of ill repute. For more info about it do a search for 'SpyareKilla' at this web page on "Rogue/Suspect Anti-Spyware Products & Web Sites"
    USPYWATCHSpyWatch.exe

    BPS Spyware Remover - reportedly uses an old, "borrowed" SpyBot database. Read this and this. Do not support these guys!

    XSQConfigCheckercc.exeXupiter SQWire variant - adware and homepage hijacker. Note - cannot be removed via the Xupiter website in the same way as other Xupiter variants
    XSQInstallerSQInstaller.exeXupiter hijacker
    NSQL Serverscm.exeSQL Server Service Control Manager. Available via Start -> Programs
    XSQUpdatesCheckeruc.exeXupiter SQWire variant - adware and homepage hijacker. Note - cannot be removed via the Xupiter website in the same way as other Xupiter variants
    Xsqvynikpsqvynikp.exeFree_Scratch_Cards foistware
    ?sr1exeupdtSup3.exeFound on a Dell computer, in a Documents and SettingsAll UsersApplication DataDellAlert2 subfolder
    Xsr64********. exeAdware, as yet unidentified
    XSrchfstUpdatesrchupdt.exeSearchFast adware downloader
    USrmcleansrmclean.exeSrmclean helps in the installation and execution of the SoundMax SoftPaq for Compaq/ADI SoundMax Integrated Digital Audio. According to Compaq - "If you disable the entry from loading into startup, then you will not be able to use the features of the sound card"
    XSRNGsrng.exeSearch hijacker - see here
    USRP Startupsrrpro.exeSystem Restore Remover Pro allows you to safely and easily remove System Restore and various other Windows Millennium "features." This is enabled if you tick the "Remove unnecessary System Restore information on startup" box. Available via Start -> Settings -> Control Panel
    YSRS AppletSrsTray.ExeS3 Sonic Vibes sound card drivers - if disabled you loose sound
    XSrv RPCromNClienti386.exeAdded by the WATSOON.A TROJAN!
    XSrv32Srv32.exeAdded by the OPASERV.J WORM!
    XSrv32Srv32.exeAdded by the OPASERV.S WORM!
    XSrv32Old[worm filename].PIFAdded by the OPASERV.J WORM!
    USrv32WinSpyAgent4.exeSpyAgent - monitoring software that creates records of everything people do on a computer, ie, spying or monitoring depending upon how you call it
    USrv32WinSvchost.exeRealtime-Spy keylogger (monitoring program). Given a "U" recommendation because it depends if you intentionally installed it. If you didn't treat it as "X" and uninstall or remove
    XSrv32Winsysdiag.exeNetVizor keystroke logger
    Xssate.exeirun4.exeAdded by the BEAGLE.J WORM!
    Xssate.exewinsys.exeAdded by the BEAGLE.K WORM!
    NSSBkgdUpdateSSBkgdupdate.exeScanSoft OmniPage auto updater. Can be disabled using the main program's options
    ?SSC_UserPromptUsrPrmpt.exePart of Symantec (Norton) Security Centre. What does it do, and is it required?
    YSsdStd.exeStealthdisk - file and folder hiding/locking utility
    ?ssdiagssdiag.exeEquinox "Configuration and DOS Diagnostic for DOS and Windows platforms"
    NSSDPSRVssdpsrv.exeSimple Service Discovery Protocol (SSDP) and General Event Notification Architecture (GENA) services for network plug and play functionality. Starts up a web server on port 5000. Used by Universal Plug and Play (for network device discovery). To remove this program, open Add/Remove Programs, select either Communications (Me) or Networking Services (XP), and remove the checkmark next to Universal Plug and Play
    Xssgrate.exesystem.exeAdded by the MITGLIEDER.C TROJAN!
    Xssgrate.exeirun.exeAdded by the MITGLIEDER.D TROJAN!
    Xssgrate.exeirun4.exeAdded by the MITGLIEDER.F TROJAN!
    Xssgrate.exesysdoor.exeAdded by the MITGLIEDER.N TROJAN!
    Xssgrate.exewinerdir.exeAdded by the MITGLIEDER.O TROJAN!
    XSSK Servicewinssk32.exeAdded by the SOBIG.E WORM!
    XSSLsvchost.exeAdded by an unidentified VIRUS, WORM or TROJAN! Note - this is not the legitimate svchost.exe process which should NOT appear in Msconfig/Startup!
    Ussmmgrssmmgr.exeSamsung printer monitor - for checking ink levels, etc.
    Xsstatadwdas.exeAdded by the DASDA TROJAN!
    Nsstraysstray.exenVidia nForce Taskbar Utility - quick access to the nForce2 "Sound Storm" control panel and related utilitys
    XSSUpdateSSUpdate.exeDyFuCa/MoneyTree parasite variant
    Xssvchostssvchost.exeAdded by the HELIOS.B TROJAN!
    XSSWPlaunchercomet.exe /app:SSWPlauncherCometCursor by Comet Systems
    NStacmonStacmon.exeInstalled with the drivers for a SigmaTel C-Major Audio card (on a Dell Inspiron 600m PC for example). Appears as though it can be disabled with no ill effects
    YStartQuick95.exeFor a Nisis G6 USB Graphics Tablet. Re-enables itself if disabled therefore best left alone
    XStartwindows.vbsHomepage hijacker
    ?startstart.exe??
    NStart Getrightgetright.exeSee Getright Tray Icon
    XStart Pagehttp://find.naupoint.comNaupoint browser hijacker
    YStart RF Wireless Keyboardktrexe.exeYuanxun Electronics RF wireless keyboard driver
    YStart RF Wireless Mousecm20.exeYuanxun Electronics RF wireless mouse driver
    UStart Serviceupssrv.exeCyber Power PowerPanelPlus software. "In the event of a power outage, PowerPanelPlus Software automatically saves and closes all open files, and then shuts down the computer system in an intelligent and orderly manner"
    UStart Up Copstartcop.exeStartUp Cop - startup manager
    XStart Uppingtaskmrg.exeAdded by the RBOT-MA WORM!
    XStart UppingSVCHOSTES.EXEAdded by the RBOT-NB WORM!
    XStart Uppingtaksmgr.exeAdded by the RBOT-QK WORM!
    XStart Uppingssvcchosts.exeAdded by the SDBOT.VY WORM!
    NStart Wingman Profilerlwtest.exeLogitech Wingman software required to operate Logitech joysticks and gamepads.  Unless you're a hard-core gamer, it's best to leave it unchecked
    NStart Wingman Profilerlwemon.exe???Logitech Wingman software required to operate Logitech joysticks and gamepads.  Unless you're a hard-core gamer, it's best to leave it unchecked
    UStartaccstartacc.exeLaunches Webroot's Accelerate 2000 software that "speeds up your Internet connection by up to 300%". Leave enabled if you find it improves internet connection
    YStartEAKStartEAK.exeEasy Access Button Support for Compaq PCs. Required if you use these
    Xstarterscvhosting.exeAdded by the IRCBOT.E TROJAN!
    XStarterscvhosting.exeAdded by the SDBOT.RU WORM!
    Nstartl.exestartl.exeLingocom LingoWare - translates any application into your language
    XStartMenus_menu.exeAdded by a variant of the DELF-A TROJAN!
    Xstartpagestartpage.exeBrowser hijacker - redirecting to pages2start.com
    UStartStopSTARTSTOP.EXEStartStop from TFI Technology - startup manager
    UStartSurfingSTARTS.exeStart Surfing allows you to protect your privacy while surfing and searching the Internet by acting as a "filter" between you and the website you are visiting. Startsurfing acts as your shield from Pop Up Windows, Mouse Traps, Window Resizing, and scripts that attempt to record your personal information. Available via Start -> Programs
    NStartup??Related to an Iomega drive
    ?Startup Launcher GUIGUI.exeStartup manager?
    XStartup UpdateCvshost.exeAdded by the GAOBOT.AO WORM!
    UStartupMonitorStartupMonitor.exeMike Lin's StartupMonitor, throws up an alert and asks your permission every time any change is made to your start-up configuration, either in the registry or start menu
    Xstartwindowskeyuserrundle2.exeAdded by the JAVAKILLER TROJAN!
    NStat 'n' PerfStatnPerf.exeStat 'n' Perf monitors your internet connection and displays information about sent and received bytes
    XStatBarSTATBAR.exeStatBar (system status bar) allows you to quickly get an overview of your system's condition (memory, CPU, uptime, and much more). Due to the sheer number of resources (over 60%) consumed by this program, it is unsuitable for Windows 95/98/SE/Me
    NStatus MonitorBrMfcWnd.exeBrother scanner status monitor - can be started manually
    NStatus Monitor XEENGSS.EXEThe Xerox Document WorkCentre XE Series Status Monitor displays information about your printer and currently active or waiting print jobs. You can use it to control your printing environment and manage your printing operations. Available via Start -> Programs
    ?StatusClient 2.6StatusClient.exePart of Hewlett Packard network printer drivers.
    NStay Connected!StayCon.exeMore than just a pinger, actually simulates online activity. Supports AOL, NetZero, MSN, ATT WorldNet, CompuServe and many other ISPs as well. Available via Start -> Programs
    UStayAlivesa.exeStayAlive from TFI Technology. "This top-notch tool intercepts crashes when they happen, keeping your programs running so you can save your work."
    ?STBVisionSTBVisn.exeRelated to the STB Velocity graphics card. What does it do and is it required?
    NSTBWEBTVSTBWEBTV.EXEUsed to display TV on your PC
    Xstcinstallerid53.exeAdded by the SCTHOUGHT.L TROJAN!
    Xstcloaderstcloader.exePopup adware by 2ndThought software
    XstcloaderSTCLOA~1.exePopup adware by 2ndThought software
    XSTCLOA~1stcloader.exePopup adware by 2ndThought software
    XSTCLOA~1STCLOA~1.exePopup adware by 2ndThought software
    YSTCPOSTCPO.exeSophos Sweep antivirus software
    UStealth Anonymizer 2.5stealth25.exeNow named Stealther - proxy server agent that lets you travel the Internet with maximum possible privacy
    NSteamsteam.exeValve Software's STEAM broadband game client. Steam is Valve's new way of getting games into your hands ASAP. Games like Half-Life, Counter-Strike, and Counter-Strike: Condition Zero are all being made available through Steam. Steam games are automatically kept up-to-date with the latest content and revisions. Steam also includes an instant-message client which even works while you're in-game
    NStickiesSTICKIES.EXEStickies - utility that allows you to put yellow "Post-It" type messages on your desktop and can be used to set reminders. Available via Start -> Programs
    NSticky Notesstikynot.exeMicrosoft Sticky Notes - virtual sticky notes tool
    NStickyNoteStickyNote.exeUtility that allows you to put yellow "Post-It" type messages on your desktop. Available via Start -> Programs
    UStillImageMonitorStimon.exeStimon.exe enables a USB still-image device (such as a scanner) to initiate data transfer to a program. For example, if your scanning device has a scan button, it may start a program and begin scanning when you press it. Create a shortcut and start it manually when needed if your scanner otherwise fails to scan. May be required for your USB scanner to work - including all HP scanners and some of their SCSI scanners
    Xstlbdistrundll32exe stlbdist.DLL, DllRunMainHijacker pointing to www.searchandclick.com
    Xstlbupdtrundll32.exe stlbupdt.DLL, DllRunMainBrowserAid/Startium parasite
    NSTManagerdrst.exeDr. SpeedTouch is some sort of diagnostics software which sends out information to a server which then relays the information back to the program to test the network to see if the SpeedTouch ADSL modem connection is working properly. Not required if connected via Ethernet (and probably USB). Can cause a slow down in Win2K - see here
    Xstmhawkfxi.jsAdded by the SPETH WORM!
    NStopSignStatusstopsinfo.dll", VerifyStatuseAcceleration Stop-Sign related - not recommended, see note
    USTOPzillaStopzilla.exeStopZilla! - pop-up killer
    USTOPzilla ServiceSZNTSVC.EXEStopZilla! - pop-up killer
    UStorageGuardsgtray.exeStorageGuard from Veritas. Free utility that integrates with Backup MyPC (formerly Backup Exec Desktop), Simple Backup and MS Backup. Provides system tray access and background monitoring - warning you of files that haven't recently been backed up. Required unless you backup manually on a regular basis or have scheduled backups 
    ?STPMGRSTPMGR.EXEPart of SafeTP which is transparent FTP security software. Does it need to be running permanently or can it be started manually via Start -> Programs
    XStrng32strngbox.exeAdded by the STRANO WORM!
    XStubPathSservice.exeAdded by the PRORAT TROJAN!
    UStyleXPStyleXP.exeStyleXP allows you customize the way WinXP looks. If disabled via msconfig it re-instates itself at reboot, therefore uninstall it if you don't want it
    NSubtract the AdsAdSub.exeRemoves adverts from web pages. Although useful - not required
    USuitcase StartupSuitcase.exeSuitcase. System font manager start up utility. Used for dynamic managment of fonts on your system
    XSULFNBJ.EXESULFNBJ.EXEAdded by the PE_MAGISTR.DAM VIRUS!
    NSunJavaUpdateSchedjusched.exeChecks with Sun's Java updates site to see if newer Java versions are available. Visit http://java.sun.com or just run the Java Plug-In Control Panel
    USunkistshwicon98.exeCard reader for memory cards from digital cameras, etc
    USunkist2kshwicon2k.exeCard reader for memory cards from digital cameras, etc
    ?SupaDialSupaDial.exeSupaNet.com modem driver related - is it required?
    NSupastatusstatus.exeSupanet ISP software
    USuper Popup Blockerpopkill.exeSaga Super Popup Blocker - pop-up stopper
    USuperAdBlockerSAdBlock.exeSuperAdBlocker
    USupercleanerSupercleaner.exeSupercleaner - all in one disk cleaner for your computer
    USuperCool Compress BackupMain.exe"SuperCool Zip Backup software is a data backup,restore and file synchronization program"
    XSupernova[worm filename]Added by the SURNOVA (or SUPOVA) WORM!
    Xsuperslutmsslut32.exeAdded by the SLUTER-A WORM!
    USuperSpamKiller ProSsk.exeSuperSpamKiller Pro email spam blocker
    XSupervisor.exeSupervisor.exeHas been reported to be associated with various antitrojan software like ATS and PC Doorguard. If so it's required in Startup - any further information is welcome
    Xsupporter5supporter5.exePart of eScorcher anti-virus software- responsible for updates of new virus bases each time you logon to the web. Used to collect information about the user and therefore treated as spyware - now the web-site is dead
    USureCleanProfessionalSRClean.exeSureClean PC and Internet tracks cleaner
    USureshotpopupkiller