Ralentissement pc soudain

Ok donc maintenant je te conseille de lancer une analyse antivirus et antimalware mais en mode sans echec en ayant pris soin de bien mettre a jour les logs.

avec quel logiciel ?

voici un rapport hijack que j ai fait

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 10:40:35, on 12/09/2011
Platform: Unknown Windows (WinNT 6.01.3505 SP1)
MSIE: Internet Explorer v9.00 (9.00.8112.16421)
Boot mode: Normal

Running processes:
C:\Windows\vsnp2std.exe
C:\Program Files (x86)\Windows Live\Messenger\msnmsgr.exe
C:\Program Files (x86)\Steam\steam.exe
C:\Program Files (x86)\Skype\Phone\Skype.exe
C:\Program Files (x86)\Intel\Intel(R) Rapid Storage Technology\IAStorIcon.exe
C:\Program Files (x86)\Multimedia Card Reader(9106)\ShwiconXP9106.exe
C:\Program Files (x86)\Roxio\OEM\Roxio Burn\RoxioBurnLauncher.exe
C:\Program Files (x86)\Logitech\G35\G35.exe
C:\Program Files (x86)\Razer\Imperator\RazerImperatorTray.exe
C:\Program Files (x86)\Razer\Arctosa\razerhid.exe
C:\Program Files (x86)\iTunes\iTunesHelper.exe
C:\Program Files (x86)\Real\RealPlayer\Update\realsched.exe
C:\Program Files (x86)\Common Files\Java\Java Update\jusched.exe
C:\Program Files (x86)\PCTuto\pctuto.exe
C:\Users\Alex\AppData\Local\Google\Chrome\Application\chrome.exe
C:\Users\Alex\AppData\Local\Google\Chrome\Application\chrome.exe
C:\Users\Alex\AppData\Local\Google\Chrome\Application\chrome.exe
C:\Windows\SysWOW64\rundll32.exe
C:\Users\Alex\AppData\Local\Google\Chrome\Application\chrome.exe
C:\Users\Alex\Downloads\HiJackThis (3).exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://g.uk.msn.com/USCON/7
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.tomsguide.com/fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = C:\Windows\SysWOW64\blank.htm
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: (no name) - {5e5ab302-7f65-44cd-8211-c1d4caaccea3} - (no file)
F2 - REG:system.ini: UserInit=userinit.exe,
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: RealPlayer Download and Record Plugin for Internet Explorer - {3049C3E9-B461-4BC5-8870-4C09146192CA} - C:\ProgramData\Real\RealPlayer\BrowserRecordPlugin\IE\rpbrowserrecordplugin.dll
O2 - BHO: scriptproxy - {7DB2D5A0-7241-4E79-B68D-6309F01C5231} - C:\Program Files (x86)\Common Files\McAfee\SystemCore\ScriptSn.20110906232150.dll
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live ID - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Windows Live Messenger Companion Helper - {9FDDE16B-836F-4806-AB1F-1455CBEFF289} - C:\Program Files (x86)\Windows Live\Companion\companioncore.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files (x86)\Java\jre6\bin\jp2ssv.dll
O4 - HKLM\..\Run: [IAStorIcon] C:\Program Files (x86)\Intel\Intel(R) Rapid Storage Technology\IAStorIcon.exe
O4 - HKLM\..\Run: [ShwiconXP9106] C:\Program Files (x86)\Multimedia Card Reader(9106)\ShwiconXP9106.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [THX Audio Control Panel] "C:\Program Files (x86)\Creative\THX TruStudio PC\THXAudioCP\THXAudio.exe" /r
O4 - HKLM\..\Run: [UpdReg] C:\Windows\UpdReg.EXE
O4 - HKLM\..\Run: [mcui_exe] "C:\Program Files\McAfee.com\Agent\mcagent.exe" /runkey
O4 - HKLM\..\Run: [Dell DataSafe Online] C:\Program Files (x86)\Dell\Dell Datasafe Online\NOBuClient.exe
O4 - HKLM\..\Run: [RoxWatchTray] "C:\Program Files (x86)\Common Files\Roxio Shared\OEM\12.0\SharedCOM\RoxWatchTray12OEM.exe"
O4 - HKLM\..\Run: [Desktop Disc Tool] "C:\Program Files (x86)\Roxio\OEM\Roxio Burn\RoxioBurnLauncher.exe"
O4 - HKLM\..\Run: [Logitech G35] C:\Program Files (x86)\Logitech\G35\G35.exe
O4 - HKLM\..\Run: [Razer Imperator Driver] C:\Program Files (x86)\Razer\Imperator\RazerImperatorTray.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files (x86)\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [Arctosa] "C:\Program Files (x86)\Razer\Arctosa\razerhid.exe"
O4 - HKLM\..\Run: [WinampAgent] "C:\Program Files (x86)\Winamp\winampa.exe"
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files (x86)\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files (x86)\Real\RealPlayer\update\realsched.exe" -osboot
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files (x86)\Common Files\Java\Java Update\jusched.exe"
O4 - HKLM\..\Run: [amd_dc_opt] C:\Program Files (x86)\AMD\Dual-Core Optimizer\amd_dc_opt.exe
O4 - HKLM\..\Run: [PCTuto] "C:\Program Files (x86)\PCTuto\pctuto.exe"
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O4 - HKCU\..\Run: [Google Update] "C:\Users\Alex\AppData\Local\Google\Update\GoogleUpdate.exe" /c
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files (x86)\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [Steam] "C:\Program Files (x86)\Steam\Steam.exe" -silent
O4 - HKCU\..\Run: [Skype] "C:\Program Files (x86)\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - HKLM\..\Policies\Explorer\Run: [Spoolsv] C:\Windows\system32\spoolsv.exe
O4 - .DEFAULT User Startup: Dell Dock First Run.lnk = C:\Program Files\Dell\DellDock\DellDock.exe (User 'Default user')
O4 - Startup: CurseClientStartup.ccip
O4 - Startup: Dell Dock.lnk = C:\Program Files\Dell\DellDock\DellDock.exe
O4 - Startup: Logitech blank Enregistrement du produit.lnk = C:\Program Files (x86)\Logitech\G35\eReg.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~2\MICROS~1\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: @C:\Program Files (x86)\Windows Live\Companion\companionlang.dll,-600 - {0000036B-C524-4050-81A0-243669A86B9F} - C:\Program Files (x86)\Windows Live\Companion\companioncore.dll
O9 - Extra button: @C:\Program Files (x86)\Windows Live\Writer\WindowsLiveWriterShortcuts.dll,-1004 - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files (x86)\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: @C:\Program Files (x86)\Windows Live\Writer\WindowsLiveWriterShortcuts.dll,-1003 - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files (x86)\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~2\MICROS~1\OFFICE11\REFIEBAR.DLL
O10 - Unknown file in Winsock LSP: c:\program files (x86)\common files\microsoft shared\windows live\wlidnsp.dll
O10 - Unknown file in Winsock LSP: c:\program files (x86)\common files\microsoft shared\windows live\wlidnsp.dll
O11 - Options group: [ACCELERATED_GRAPHICS] Accelerated graphics
O13 - Gopher Prefix:
O16 - DPF: {1E54D648-B804-468d-BC78-4AFFED8E262F} (System Requirements Lab) - http://www.nvidia.com/content/DriverDownload/srl/3.0.0.4/srl_bin/sysreqlab_nvd.cab
O16 - DPF: {74DBCB52-F298-4110-951D-AD2FF67BC8AB} (NVIDIA Smart Scan) - http://www.nvidia.com/content/DriverDownload/nforce/NvidiaSmartScan.cab
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O18 - Protocol: wlpg - {E43EF6CD-A37A-4A9B-9E6F-83F89B8E6324} - C:\Program Files (x86)\Windows Live\Photo Gallery\AlbumDownloadProtocolHandler.dll
O18 - Filter: application/x-mfe-ipt - {3EF5086B-5478-4598-A054-786C45D75692} - c:\progra~2\mcafee\msc\mcsniepl.dll
O23 - Service: @%SystemRoot%\system32\Alg.exe,-112 (ALG) - Unknown owner - C:\Windows\System32\alg.exe (file missing)
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files (x86)\Common Files\Apple\Mobile Device Support\AppleMobileDeviceService.exe
O23 - Service: Service Bonjour (Bonjour Service) - Apple Inc. - C:\Program Files (x86)\Bonjour\mDNSResponder.exe
O23 - Service: Dock Login Service (DockLoginService) - Stardock Corporation - C:\Program Files\Dell\DellDock\DockLogin.exe
O23 - Service: @%SystemRoot%\system32\efssvc.dll,-100 (EFS) - Unknown owner - C:\Windows\System32\lsass.exe (file missing)
O23 - Service: @%systemroot%\system32\fxsresm.dll,-118 (Fax) - Unknown owner - C:\Windows\system32\fxssvc.exe (file missing)
O23 - Service: FLEXnet Licensing Service - Acresso Software Inc. - C:\Program Files (x86)\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: Service Google Update (gupdate) (gupdate) - Google Inc. - C:\Program Files (x86)\Google\Update\GoogleUpdate.exe
O23 - Service: Service Google Update (gupdatem) (gupdatem) - Google Inc. - C:\Program Files (x86)\Google\Update\GoogleUpdate.exe
O23 - Service: Intel(R) Rapid Storage Technology (IAStorDataMgrSvc) - Intel Corporation - C:\Program Files (x86)\Intel\Intel(R) Rapid Storage Technology\IAStorDataMgrSvc.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files (x86)\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Service de l'iPod (iPod Service) - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: @keyiso.dll,-100 (KeyIso) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: McAfee Personal Firewall Service (McMPFSvc) - McAfee, Inc. - C:\Program Files\Common Files\McAfee\McSvcHost\McSvHost.exe
O23 - Service: McAfee Services (mcmscsvc) - McAfee, Inc. - C:\Program Files\Common Files\mcafee\McSvcHost\McSvHost.exe
O23 - Service: McAfee VirusScan Announcer (McNaiAnn) - McAfee, Inc. - C:\Program Files\Common Files\mcafee\McSvcHost\McSvHost.exe
O23 - Service: McAfee Network Agent (McNASvc) - McAfee, Inc. - C:\Program Files\Common Files\mcafee\McSvcHost\McSvHost.exe
O23 - Service: McAfee Scanner (McODS) - McAfee, Inc. - C:\Program Files\mcafee\VirusScan\mcods.exe
O23 - Service: McAfee Proxy Service (McProxy) - McAfee, Inc. - C:\Program Files\Common Files\mcafee\McSvcHost\McSvHost.exe
O23 - Service: McAfee McShield (McShield) - McAfee, Inc. - C:\Program Files\Common Files\McAfee\SystemCore\\mcshield.exe
O23 - Service: McAfee Firewall Core Service (mfefire) - McAfee, Inc. - C:\Program Files\Common Files\McAfee\SystemCore\\mfefire.exe
O23 - Service: McAfee Validation Trust Protection Service (mfevtp) - McAfee, Inc. - C:\Program Files\Common Files\McAfee\SystemCore\mfevtps.exe
O23 - Service: @comres.dll,-2797 (MSDTC) - Unknown owner - C:\Windows\System32\msdtc.exe (file missing)
O23 - Service: @%SystemRoot%\System32\netlogon.dll,-102 (Netlogon) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: Dell DataSafe Online (NOBU) - Dell, Inc. - C:\Program Files (x86)\Dell\Dell Datasafe Online\NOBuAgent.exe
O23 - Service: NVIDIA Display Driver Service (nvsvc) - Unknown owner - C:\Windows\system32\nvvsvc.exe (file missing)
O23 - Service: NVIDIA Update Service Daemon (nvUpdatusService) - NVIDIA Corporation - C:\Program Files (x86)\NVIDIA Corporation\NVIDIA Updatus\daemonu.exe
O23 - Service: @%systemroot%\system32\psbase.dll,-300 (ProtectedStorage) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: RoxMediaDB12OEM - Sonic Solutions - C:\Program Files (x86)\Common Files\Roxio Shared\OEM\12.0\SharedCOM\RoxMediaDB12OEM.exe
O23 - Service: Roxio Hard Drive Watcher 12 (RoxWatch12) - Sonic Solutions - C:\Program Files (x86)\Common Files\Roxio Shared\OEM\12.0\SharedCOM\RoxWatch12OEM.exe
O23 - Service: @%systemroot%\system32\Locator.exe,-2 (RpcLocator) - Unknown owner - C:\Windows\system32\locator.exe (file missing)
O23 - Service: @%SystemRoot%\system32\samsrv.dll,-1 (SamSs) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: SoftThinks Agent Service (SftService) - SoftThinks SAS - C:\Program Files (x86)\Dell DataSafe Local Backup\sftservice.EXE
O23 - Service: @%SystemRoot%\system32\snmptrap.exe,-3 (SNMPTRAP) - Unknown owner - C:\Windows\System32\snmptrap.exe (file missing)
O23 - Service: @%systemroot%\system32\spoolsv.exe,-1 (Spooler) - Google Inc. - C:\Windows\System32\spoolsv.exe
O23 - Service: @%SystemRoot%\system32\sppsvc.exe,-101 (sppsvc) - Unknown owner - C:\Windows\system32\sppsvc.exe (file missing)
O23 - Service: Steam Client Service - Valve Corporation - C:\Program Files (x86)\Common Files\Steam\SteamService.exe
O23 - Service: NVIDIA Stereoscopic 3D Driver Service (Stereo Service) - NVIDIA Corporation - C:\Program Files (x86)\NVIDIA Corporation\3D Vision\nvSCPAPISvr.exe
O23 - Service: stllssvr - MicroVision Development, Inc. - C:\Program Files (x86)\Common Files\SureThing Shared\stllssvr.exe
O23 - Service: @%SystemRoot%\system32\ui0detect.exe,-101 (UI0Detect) - Unknown owner - C:\Windows\system32\UI0Detect.exe (file missing)
O23 - Service: @%SystemRoot%\system32\vaultsvc.dll,-1003 (VaultSvc) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: @%SystemRoot%\system32\vds.exe,-100 (vds) - Unknown owner - C:\Windows\System32\vds.exe (file missing)
O23 - Service: @%systemroot%\system32\vssvc.exe,-102 (VSS) - Unknown owner - C:\Windows\system32\vssvc.exe (file missing)
O23 - Service: @%SystemRoot%\system32\Wat\WatUX.exe,-601 (WatAdminSvc) - Unknown owner - C:\Windows\system32\Wat\WatAdminSvc.exe (file missing)
O23 - Service: @%systemroot%\system32\wbengine.exe,-104 (wbengine) - Unknown owner - C:\Windows\system32\wbengine.exe (file missing)
O23 - Service: @%Systemroot%\system32\wbem\wmiapsrv.exe,-110 (wmiApSrv) - Unknown owner - C:\Windows\system32\wbem\WmiApSrv.exe (file missing)
O23 - Service: @%PROGRAMFILES%\Windows Media Player\wmpnetwk.exe,-101 (WMPNetworkSvc) - Unknown owner - C:\Program Files (x86)\Windows Media Player\wmpnetwk.exe (file missing)

"avec quel logiciel ?"
Ton antivirus ( mc affee apparement ?!?) et malwaresbyte mais demarrant windows en mode sans echec https://www.commentcamarche.net/informatique/windows/113-demarrer-windows-10-en-mode-sans-echec/

Désolé mais je peu pas t'aider pour le rapport hijak

Je vais faire une demande auprès des moderateurs pour deplacé ton sujet dans le forum approprié ( securité ) !

Je suis vraiment inquiet parce que j ai tenter plusieurs fois de supprimer les fichier marque d une croix rouge selon hijackthis mais sans succes . Que faire ?

Salut ,

74 °C c'est une temperature normal en charge !

Essai un scan en ligne en complément .

Deja dit-toi que tous le monde est bénévole et n'est pas la que pour s'occupé de ton problème exclusivement donc la patience est clairement de mise ;)

Sinon t'as eu le temps de faire un scan en mose sans echec ?

oui j ai fait un scan en mode sans echec et il est identique le probleme est tjs la . je vient de m appercevoir qu il y a un jeux que je n arrive pas a supprimer avec l outils desinstaller un programme

je suis vraiment desolé de me montrer aussi presser mais c est un probleme qui m inquiete vraiment au plus haut point . ce maudit virus hante mes pensée ....

C'est quoi le nom exacte du trojan détecté ?

c est 2 ligne sur e rapport hijackthis que je n arrive pas a supprimer

O4 - HKLM\..\Policies\Explorer\Run: [Spoolsv] C:\Windows\system32\spoolsv.exe

O23 - Service: @%systemroot%\system32\spoolsv.exe,-1 (Spooler) - Google Inc. - C:\Windows\System32\spoolsv.exe