Ordinateur infecté ???

Logfile of Trend Micro HijackThis v2.0.4  
Scan saved at 08:12:13, on 20/07/2012  
Platform: Windows XP SP3 (WinNT 5.01.2600)  
MSIE: Internet Explorer v7.00 (7.00.6000.20861)  
Boot mode: Normal  

Running processes:  
C:\WINDOWS\System32\smss.exe  
C:\WINDOWS\system32\winlogon.exe  
C:\WINDOWS\system32\services.exe  
C:\WINDOWS\system32\lsass.exe  
C:\WINDOWS\system32\svchost.exe  
C:\WINDOWS\System32\svchost.exe  
C:\Program Files\AVAST Software\Avast\AvastSvc.exe  
C:\WINDOWS\system32\spoolsv.exe  
C:\WINDOWS\Explorer.EXE  
C:\WINDOWS\system32\igfxtray.exe  
C:\WINDOWS\system32\hkcmd.exe  
C:\WINDOWS\system32\igfxpers.exe  
C:\Program Files\AVAST Software\Avast\avastUI.exe  
C:\Documents and Settings\Administrateur\Local Settings\Application Data\Google\Update\GoogleUpdate.exe  
C:\Documents and Settings\Administrateur\Mes documents\Tor Browser\App\vidalia.exe  
C:\Documents and Settings\Administrateur\Mes documents\Tor Browser\FirefoxPortable\App\Firefox\tbb-firefox.exe  
C:\Documents and Settings\Administrateur\Mes documents\Tor Browser\App\tor.exe  
C:\WINDOWS\system32\msiexec.exe  
C:\Program Files\Trend Micro\HiJackThis\HiJackThis.exe  

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896  
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 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =   
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Fichiers communs\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll  
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll  
O2 - BHO: avast! WebRep - {8E5E2654-AD2D-48bf-AC2D-D17F00898D06} - C:\Program Files\AVAST Software\Avast\aswWebRepIE.dll  
O3 - Toolbar: avast! WebRep - {8E5E2654-AD2D-48bf-AC2D-D17F00898D06} - C:\Program Files\AVAST Software\Avast\aswWebRepIE.dll  
O4 - HKLM\..\Run: [VirtualCloneDrive] "C:\Program Files\Elaborate Bytes\VirtualCloneDrive\VCDDaemon.exe" /s  
O4 - HKLM\..\Run: [igfxtray] C:\WINDOWS\system32\igfxtray.exe  
O4 - HKLM\..\Run: [igfxhkcmd] C:\WINDOWS\system32\hkcmd.exe  
O4 - HKLM\..\Run: [igfxpers] C:\WINDOWS\system32\igfxpers.exe  
O4 - HKLM\..\Run: [avast] "C:\Program Files\AVAST Software\Avast\avastUI.exe" /nogui  
O4 - HKCU\..\Run: [Google Update] "C:\Documents and Settings\Administrateur\Local Settings\Application Data\Google\Update\GoogleUpdate.exe" /c  
O4 - HKCU\..\Run: [SpeedBitVideoAccelerator] "C:\Program Files\SpeedBit Video Accelerator\VideoAccelerator.exe" /startup  
O4 - HKUS\S-1-5-20\..\RunOnce: [JkDefrag] rundll32 advpack.dll,LaunchINFSection JKDEFRAG.INF,RunOnce,1,N (User 'SERVICE RÉSEAU')  
O4 - HKUS\S-1-5-20\..\RunOnce: [SweetRegistry] rundll32 advpack.dll,LaunchINFSection SweetReg.inf,PerUserStub (User 'SERVICE RÉSEAU')  
O4 - HKUS\S-1-5-18\..\RunOnce: [JkDefrag] rundll32 advpack.dll,LaunchINFSection JKDEFRAG.INF,RunOnce,1,N (User 'SYSTEM')  
O4 - HKUS\.DEFAULT\..\RunOnce: [JkDefrag] rundll32 advpack.dll,LaunchINFSection JKDEFRAG.INF,RunOnce,1,N (User 'Default user')  
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll  
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll  
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe  
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe  
O10 - Unknown file in Winsock LSP: c:\program files\speedbit video accelerator\sblsp.dll  
O10 - Unknown file in Winsock LSP: c:\program files\speedbit video accelerator\sblsp.dll  
O10 - Unknown file in Winsock LSP: c:\program files\speedbit video accelerator\sblsp.dll  
O22 - SharedTaskScheduler: Pré-chargeur Browseui - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\system32\browseui.dll  
O22 - SharedTaskScheduler: Démon de cache des catégories de composant - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\system32\browseui.dll  
O23 - Service: Adobe Flash Player Update Service (AdobeFlashPlayerUpdateSvc) - Adobe Systems Incorporated - C:\WINDOWS\system32\Macromed\Flash\FlashPlayerUpdateService.exe  
O23 - Service: avast! Antivirus - AVAST Software - C:\Program Files\AVAST Software\Avast\AvastSvc.exe  
O23 - Service: Service d'administration du Gestionnaire de disque logique (dmadmin) - Unknown owner - C:\WINDOWS\System32\dmadmin.exe  
O23 - Service: Journal des événements (Eventlog) - Unknown owner - C:\WINDOWS\system32\services.exe  
O23 - Service: Ma-Config Service (maconfservice) - Unknown owner - C:\Program Files\ma-config.com\maconfservice.exe  
O23 - Service: Plug-and-Play (PlugPlay) - Unknown owner - C:\WINDOWS\system32\services.exe  
O23 - Service: VideoAcceleratorService - SpeedBit Ltd. - C:\PROGRA~1\SPEEDB~1\VideoAcceleratorService.exe  
O23 - Service: Cliché instantané de volume (VSS) - Unknown owner - C:\WINDOWS\System32\vssvc.exe  
O23 - Service: Carte de performance WMI (WmiApSrv) - Unknown owner - C:\WINDOWS\system32\wbem\wmiapsrv.exe