Svchost is a generic host process that applications or host services run from DLLs. To find out what's inside each...
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copy of svchost.exe, use the Resource Kit Support Tools tlist.exe (with the -s switch). You will need to install the Support Tools from supporttools on your product CD-ROM; they don't install by default. Below is sample output from the tlist command:
C:>tlist -s 0 System Process 4 System 176 smss.exe 208 csrss.exe Title: 172 winlogon.exe Title: NetDDE Agent 256 services.exe Svcs: Eventlog,PlugPlay 268 lsass.exe Svcs: Netlogon,PolicyAgent,ProtectedStorage,SamSs 320 svchost.exe Svcs: RpcSs 420 svchost.exe Svcs: AudioSrv,Browser,CryptSvc,Dhcp,dmserver, EventSystem,FastUserSwitchingCompatibilityServices,helpsvc,HidServ, lanmanserver,lanmanworkstation,Netman,Nla,Schedule,seclogon,SENS, ShellHWDetection,TermService,ThemeService,TrkWks,uploadmgr,W32Time, WmdmPmSp,wuauser 480 svchost.exe Svcs: Dnscache 500 svchost.exe Svcs: LmHosts,Messenger,RemoteRegistry,SSDPSRV,WebClient 544 spoolsv.exe Svcs: Spooler 660 DKService.exe Svcs: Diskeeper 800 svchost.exe Svcs: winmgmt 1092 explorer.exe Title: Program Manager 1244 ctfmon.exe Title: 900 ISATRAY.EXE Title: IsaTray 1344 NAVAPW32.EXE Title: Norton AntiVirus Auto-Protect 1212 FRONTPG.EXE Title: Microsoft FrontPage - D:asp www.ntfaq.comNTFAQ5apr2001.htm 428 NAVAPSVC.EXE Svcs: NAV Auto-Protect 1376 ALERTSVC.EXE Svcs: NAV Alert 1372 PowerDVD.exe Title: PowerDVD 444 OUTLOOK.EXE Title: Tasks - Microsoft Outlook 1268 msmsgs.exe Title: 1436 MDM.EXE Title: OleMainThreadWndName 632 WINWORD.EXE Title: DDE Server Window 1404 IEXPLORE.EXE Title: Q250320 - Description of Svchost.exe - Microsoft Internet Explorer 1348 cmd.exe Title: E:WINDOWSSystem32cmd.exe - tlist -s 1428 tlist.exe
Many services, drivers and modules load at system startup and are essential to system operation. Even though they show up in Task Manager, they're still critical.
The svchosts are defined in the registry key HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionSvchost.
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