Processus svchost

Bonjour,

Voila j'ai un soucis (je sais pas si s'en est réellement un en fait :p). J'ai remarqué qu'il y avait 14 processus svchost, apparemment normal d'après mes recherches sur le net. Cependant l'un d'eux monte parfois a 150/200Mo d'utilisation mémoire et tourne régulièrement à 100Mo.
Je me demandais donc si c'était normal. Je peux poster au besoin un rapport HijackThis.

Merci de votre aide :).

3 réponses

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  1. Petite recherche sur ccm :

    svchost - svchost.exe

    Le processus svchost.exe (svchost signifiant Service Host Process) est un processus générique de Windows 2000/XP servant d'hôtes pour les autres processus dont le fonctionnement repose sur des librairies dynamiques (DLLs). Il existe ainsi autant d'entrées svchost qu'il y a de processus qui l'utilisent.

    L'utilitaire tlist.exe fourni sur le CD-ROM de Windows 2000/XP permet de lister les applications utilisant ce service grâce à la commande suivante :

    tlist -s
    Le service svchost original possède une faille de sécurité qu'il est impératif de corriger en mettant à jour le système avec le service WindowsUpdate.

    Il ne s'agit en aucun cas d'un Virus résident, d'un ver, d'un cheval de Troie, d'un spyware, ni d'un AdWare.
    1. Ok merci. Je sais bien que ce n'est pas en lui même un quelconque virus, mais il est aussi dit que ce processus peut être utilisé. Je fais régulièrement mes MAJ, donc il devrait pas y avoir de soucis ^^.

      Tant que j'y suis, je vais pas recréer un post, quelqu'un peut regarder mon rapport HijackThis et me dire si il y a quelque chose a supprimer :).

      Logfile of Trend Micro HijackThis v2.0.2
      Scan saved at 12:19:30, on 23/05/2010
      Platform: Windows Vista SP1 (WinNT 6.00.1905)
      MSIE: Internet Explorer v7.00 (7.00.6001.18444)
      Boot mode: Normal

      Running processes:
      C:\Windows\system32\Dwm.exe
      C:\Windows\Explorer.EXE
      C:\Windows\System32\rundll32.exe
      C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
      C:\Program Files\IDT\WDM\sttray.exe
      C:\Program Files\Intel\Intel Matrix Storage Manager\IAAnotif.exe
      C:\Windows\System32\mobsync.exe
      C:\Program Files\DigitalPersona\Bin\DpAgent.exe
      C:\Program Files\HP\QuickPlay\QPService.exe
      C:\Program Files\Windows Defender\MSASCui.exe
      C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\QLBCTRL.exe
      C:\Windows\system32\taskeng.exe
      C:\Program Files\Hewlett-Packard\HP QuickTouch\HPKBDAPP.exe
      C:\Program Files\HP\HP Software Update\hpwuSchd2.exe
      C:\Program Files\Hewlett-Packard\HP Wireless Assistant\HPWAMain.exe
      C:\Program Files\Java\jre1.6.0_05\bin\jusched.exe
      C:\Program Files\Razer\Diamondback 3G\razerhid.exe
      C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2010\avp.exe
      C:\Program Files\Common Files\InstallShield\UpdateService\ISUSPM.exe
      C:\Program Files\RocketDock\RocketDock.exe
      C:\Program Files\Skype\Phone\Skype.exe
      C:\Program Files\Windows Media Player\wmpnscfg.exe
      C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
      C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
      C:\Program Files\Razer\Diamondback 3G\razertra.exe
      C:\Program Files\Skype\Plugin Manager\skypePM.exe
      C:\Program Files\Razer\Diamondback 3G\razerofa.exe
      C:\Program Files\Synaptics\SynTP\SynTPHelper.exe
      C:\Program Files\Hewlett-Packard\HP wireless Assistant\WiFiMsg.EXE
      C:\Program Files\Hewlett-Packard\Shared\HpqToaster.exe
      C:\Program Files\HP\Digital Imaging\bin\hpqSTE08.exe
      C:\Program Files\HP\Digital Imaging\bin\hpqbam08.exe
      C:\Program Files\HP\Digital Imaging\bin\hpqgpc01.exe
      C:\Windows\system32\wuauclt.exe
      C:\Windows\system32\Taskmgr.exe
      C:\Program Files\Mozilla Firefox\firefox.exe
      C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2010\klwtblfs.exe
      C:\Windows\system32\wbem\unsecapp.exe
      C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

      R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-fr?cobrand=hp-notebook.msn.com&ocid=HPDHP&pc=HPNTDF
      R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
      R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.orange.fr/portail
      R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-fr?cobrand=hp-notebook.msn.com&ocid=HPDHP&pc=HPNTDF
      R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
      R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
      R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.msn.com/fr-fr?cobrand=hp-notebook.msn.com&ocid=HPDHP&pc=HPNTDF
      R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
      R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
      R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
      R3 - URLSearchHook: Search Class - {08C06D61-F1F3-4799-86F8-BE1A89362C85} - C:\Program Files\Orange\Connexion Internet Orange\SearchURLHook\SearchPageURL.dll
      O1 - Hosts: ::1 localhost
      O2 - BHO: Aide pour le lien d'Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
      O2 - BHO: Skype add-on (mastermind) - {22BF413B-C6D2-4d91-82A9-A0F997BA588C} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
      O2 - BHO: IEVkbdBHO - {59273AB4-E7D3-40F9-A1A8-6FA9CCA1862C} - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2010\ievkbd.dll
      O2 - BHO: NCO 2.0 IE BHO - {602ADB0E-4AFF-4217-8AA1-95DAC4DFA408} - (no file)
      O2 - BHO: Symantec Intrusion Prevention - {6D53EC84-6AAE-4787-AEEE-F4628F01010C} - C:\PROGRA~1\COMMON~1\SYMANT~1\IDS\IPSBHO.dll (file missing)
      O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
      O2 - BHO: AOL Toolbar BHO - {7C554162-8CB7-45A4-B8F4-8EA1C75885F9} - C:\Program Files\AOL\AOL Toolbar 5.0\aoltb.dll
      O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\5.1.1309.3572\swg.dll
      O2 - BHO: link filter bho - {E33CF602-D945-461A-83F0-819F76A199F8} - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2010\klwtbbho.dll
      O2 - BHO: HP Smart BHO Class - {FFFFFFFF-CF4E-4F2B-BDC2-0E72E116A856} - C:\Program Files\HP\Digital Imaging\Smart Web Printing\hpswp_BHO.dll
      O3 - Toolbar: (no name) - {7FEBEFE3-6B19-4349-98D2-FFB09D4B49CA} - (no file)
      O3 - Toolbar: AOL Toolbar - {DE9C389F-3316-41A7-809B-AA305ED9D922} - C:\Program Files\AOL\AOL Toolbar 5.0\aoltb.dll
      O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\Windows\system32\NvCpl.dll,NvStartup
      O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\Windows\system32\NvMcTray.dll,NvTaskbarInit
      O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
      O4 - HKLM\..\Run: [SysTrayApp] %ProgramFiles%\IDT\WDM\sttray.exe
      O4 - HKLM\..\Run: [IAAnotif] C:\Program Files\Intel\Intel Matrix Storage Manager\iaanotif.exe
      O4 - HKLM\..\Run: [UCam_Menu] "C:\Program Files\CyberLink\YouCam\MUITransfer\MUIStartMenu.exe" "C:\Program Files\CyberLink\YouCam" update "Software\CyberLink\YouCam\2.0"
      O4 - HKLM\..\Run: [DpAgent] C:\Program Files\DigitalPersona\Bin\dpagent.exe
      O4 - HKLM\..\Run: [QPService] "C:\Program Files\HP\QuickPlay\QPService.exe"
      O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
      O4 - HKLM\..\Run: [QlbCtrl.exe] C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\QlbCtrl.exe /Start
      O4 - HKLM\..\Run: [OnScreenDisplay] C:\Program Files\Hewlett-Packard\HP QuickTouch\HPKBDAPP.exe
      O4 - HKLM\..\Run: [HP Health Check Scheduler] c:\Program Files\Hewlett-Packard\HP Health Check\HPHC_Scheduler.exe
      O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
      O4 - HKLM\..\Run: [hpWirelessAssistant] C:\Program Files\Hewlett-Packard\HP Wireless Assistant\HPWAMain.exe
      O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_05\bin\jusched.exe"
      O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
      O4 - HKLM\..\Run: [hpqSRMon] C:\Program Files\HP\Digital Imaging\bin\hpqSRMon.exe
      O4 - HKLM\..\Run: [AGEIA PhysX SysTray] C:\Program Files\AGEIA Technologies\TrayIcon.exe
      O4 - HKLM\..\Run: [Diamondback] C:\Program Files\Razer\Diamondback 3G\razerhid.exe
      O4 - HKLM\..\Run: [avp] "C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2010\avp.exe"
      O4 - HKCU\..\Run: [ISUSPM Startup] "C:\Program Files\Common Files\InstallShield\UpdateService\isuspm.exe" -startup
      O4 - HKCU\..\Run: [ISUSScheduler] "C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe" -start
      O4 - HKCU\..\Run: [ISUSPM] "C:\Program Files\Common Files\InstallShield\UpdateService\ISUSPM.exe" -scheduler
      O4 - HKCU\..\Run: [RocketDock] "C:\Program Files\RocketDock\RocketDock.exe"
      O4 - HKCU\..\Run: [Skype] "C:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
      O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
      O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICE LOCAL')
      O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'SERVICE LOCAL')
      O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICE RÉSEAU')
      O4 - Global Startup: DSLMON.lnk = C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
      O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
      O8 - Extra context menu item: &Recherche AOL Toolbar - C:\ProgramData\AOL\ieToolbar\resources\fr-FR\local\search.html
      O8 - Extra context menu item: Ajouter à l'Anti-bannière - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2010\ie_banner_deny.htm
      O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office12\EXCEL.EXE/3000
      O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
      O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
      O9 - Extra button: Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll
      O9 - Extra 'Tools' menuitem: &Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll
      O9 - Extra button: Clavier &virtuel - {4248FE82-7FCB-46AC-B270-339F08212110} - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2010\klwtbbho.dll
      O9 - Extra button: Skype - {77BF5300-1474-4EC7-9980-D32B190E9B07} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
      O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\Office12\REFIEBAR.DLL
      O9 - Extra button: Analyse des &liens - {CCF151D8-D089-449F-A5A4-D9909053F20F} - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2010\klwtbbho.dll
      O9 - Extra button: Sélection intelligente HP - {DDE87865-83C5-48c4-8357-2F5B1AA84522} - C:\Program Files\HP\Digital Imaging\Smart Web Printing\hpswp_BHO.dll
      O13 - Gopher Prefix:
      O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\COMMON~1\Skype\SKYPE4~1.DLL
      O20 - AppInit_DLLs: C:\PROGRA~1\KASPER~1\KASPER~2\mzvkbd3.dll,C:\PROGRA~1\KASPER~1\KASPER~2\kloehk.dll
      O23 - Service: Andrea ST Filters Service (AESTFilters) - Andrea Electronics Corporation - C:\Windows\System32\DriverStore\FileRepository\stwrt.inf_030ac640\aestsrv.exe
      O23 - Service: Application Updater - Spigot, Inc. - C:\Program Files\Application Updater\ApplicationUpdater.exe
      O23 - Service: Kaspersky Internet Security (AVP) - Kaspersky Lab - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2010\avp.exe
      O23 - Service: Com4QLBEx - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\Com4QLBEx.exe
      O23 - Service: Biometric Authentication Service (DpHost) - DigitalPersona, Inc. - C:\Program Files\DigitalPersona\Bin\DpHostW.exe
      O23 - Service: FsUsbExService - Teruten - C:\Windows\system32\FsUsbExService.Exe
      O23 - Service: France Telecom Routing Table Service (FTRTSVC) - France Telecom SA - C:\PROGRA~1\COMMON~1\France Telecom\Shared Modules\FTRTSVC\0\FTRTSVC.exe
      O23 - Service: GameConsoleService - WildTangent, Inc. - C:\Program Files\HP Games\My HP Game Console\GameConsoleService.exe
      O23 - Service: Google Update Service (gupdate1c9888adbe1f108) (gupdate1c9888adbe1f108) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
      O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
      O23 - Service: HP Health Check Service - Hewlett-Packard - c:\Program Files\Hewlett-Packard\HP Health Check\hphc_service.exe
      O23 - Service: hpqwmiex - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\Shared\hpqwmiex.exe
      O23 - Service: HP Service (hpsrv) - Hewlett-Packard Corporation - C:\Windows\system32\Hpservice.exe
      O23 - Service: Intel(R) Matrix Storage Event Monitor (IAANTMON) - Intel Corporation - C:\Program Files\Intel\Intel Matrix Storage Manager\IAANTMon.exe
      O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1050\Intel 32\IDriverT.exe
      O23 - Service: MySQL - Unknown owner - C:\Program.exe (file missing)
      O23 - Service: nProtect GameGuard Service (npggsvc) - Unknown owner - C:\Windows\system32\GameMon.des.exe (file missing)
      O23 - Service: NVIDIA Display Driver Service (nvsvc) - NVIDIA Corporation - C:\Windows\system32\nvvsvc.exe
      O23 - Service: PnkBstrA - Unknown owner - C:\Windows\system32\PnkBstrA.exe
      O23 - Service: QuickPlay Background Capture Service (QBCS) (QPCapSvc) - Unknown owner - C:\Program Files\HP\QuickPlay\Kernel\TV\QPCapSvc.exe
      O23 - Service: Recovery Service for Windows - Unknown owner - C:\Windows\SMINST\BLService.exe
      O23 - Service: Cyberlink RichVideo Service(CRVS) (RichVideo) - Unknown owner - C:\Program Files\CyberLink\Shared Files\RichVideo.exe
      O23 - Service: ServiceLayer - Nokia. - C:\Program Files\PC Connectivity Solution\ServiceLayer.exe
      O23 - Service: Audio Service (STacSV) - IDT, Inc. - C:\Windows\System32\DriverStore\FileRepository\stwrt.inf_030ac640\STacSV.exe
      O23 - Service: Validity Fingerprint Service (vfsFPService) - Validity Sensors, Inc. - C:\Windows\system32\vfsFPService.exe
      O23 - Service: wampapache - Apache Software Foundation - c:\wamp\bin\apache\apache2.2.11\bin\httpd.exe
      O23 - Service: wampmysqld - Unknown owner - c:\wamp\bin\mysql\mysql5.1.36\bin\mysqld.exe