San hijackthis - merci de votre aide

Bonjour,

J'espere que ça va pour tous.
J'ai un soucis avec un ordinateur dont je dois installer un anti-virus.
Le pc sur lequel je suis n'avait pas d'anti-virus depuis 6 mois.

J'ai fait un scan HIJACKTHIS

le voici :

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 16:57:19, on 15/02/2009
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
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:\WINDOWS\system32\svchost.exe
C:\Program Files\Intel\Wireless\Bin\EvtEng.exe
C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Apoint\Apoint.exe
C:\WINDOWS\ehome\ehtray.exe
C:\WINDOWS\system32\ICO.EXE
C:\Program Files\Sony\VAIO Camera Utility\VCUServe.exe
C:\Program Files\Sony\VAIO Power Management\SPMgr.exe
C:\Program Files\Apoint\Apntex.exe
C:\Program Files\Sony\ISB Utility\ISBMgr.exe
C:\Program Files\Sony\Wireless Switch Setting Utility\Switcher.exe
C:\Program Files\Sony\VAIO Update 2\VAIOUpdt.exe
C:\Program Files\Adobe\Acrobat 7.0\Distillr\Acrotray.exe
C:\Program Files\BroadJump\Client Foundation\CFD.exe
C:\PROGRA~1\CLUB-I~1\LECOMP~1\SMARTB~1\MotiveSB.exe
C:\Program Files\Java\jre1.6.0_02\bin\jusched.exe
C:\PROGRA~1\Sony\SONICS~1\SsAAD.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\WINDOWS\system32\ctfmon.exe
C:\program files\steam\steam.exe
C:\Program Files\Windows Live\Messenger\MsnMsgr.Exe
C:\Program Files\Messenger\msmsgs.exe
C:\Documents and Settings\Sylvain\Application Data\advantage\AdVantage.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtMng.exe
C:\Program Files\Club-Internet\Lanceur\lanceur.exe
C:\Program Files\OpenOffice.org 2.3\program\soffice.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Club-Internet\Le Compagnon Club\bin\lecompagnonclub.exe
C:\Program Files\OpenOffice.org 2.3\program\soffice.BIN
C:\Program Files\Adobe\Photoshop Elements 4.0\PhotoshopElementsFileAgent.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosA2dp.exe
C:\Program Files\Club-Internet\Le Compagnon Club\bin\mpbtn.exe
C:\PROGRA~1\Motive\ASSTCO~1\MOTIVE~1.EXE
C:\Program Files\Fichiers communs\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\Program Files\Bonjour\mDNSResponder.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtHid.exe
C:\Program Files\Canal\Canal Widget\VOD\CanalPlus.VOD.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtHsp.exe
C:\WINDOWS\eHome\ehRecvr.exe
C:\WINDOWS\eHome\ehSched.exe
C:\Program Files\Microsoft SQL Server\MSSQL$VAIO_VEDB\Binn\sqlservr.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Sony\VAIO Event Service\VESMgr.exe
C:\Program Files\Fichiers communs\Sony Shared\VAIO Entertainment Platform\VCSW\VCSW.exe
C:\Program Files\Fichiers communs\Sony Shared\VAIO Entertainment Platform\VzCdb\VzCdbSvc.exe
C:\Program Files\Fichiers communs\Sony Shared\VAIO Entertainment Platform\VzCdb\VzFw.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\WINDOWS\system32\dllhost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\eHome\ehmsas.exe
C:\Program Files\Java\jre1.6.0_02\bin\jucheck.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Windows Live\Messenger\usnsvc.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\tosOBEX.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\tosBtProc.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avguard.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avgnt.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\sched.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avcenter.exe
C:\Documents and Settings\Sylvain\Application Data\U3\2444631DC3438D61\LaunchPad.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\GUARDGUI.EXE
C:\Program Files\Avira\AntiVir PersonalEdition Classic\GUARDGUI.EXE
C:\Program Files\Avira\AntiVir PersonalEdition Classic\GUARDGUI.EXE
C:\WINDOWS\explorer.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\GUARDGUI.EXE
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avscan.exe
C:\Program Files\WinRAR\WinRAR.exe
C:\DOCUME~1\Sylvain\LOCALS~1\Temp\Rar$EX00.844\HijackThis.exe
C:\DOCUME~1\Sylvain\LOCALS~1\Temp\Rar$EX02.797\HijackThis.exe

O23 - Service: Intel(R) PROSet/Wireless Event Log (EvtEng) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\EvtEng.exe
O23 - Service: FLEXnet Licensing Service - Macrovision Europe Ltd. - C:\Program Files\Fichiers communs\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: Image Converter video recording monitor for VAIO Entertainment - Sony Corporation - C:\Program Files\Sony\Image Converter 2\IcVzMon.exe
O23 - Service: Service de l’iPod (iPod Service) - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: MSCSPTISRV - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\MSCSPTISRV.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: PACSPTISVR - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\PACSPTISVR.exe
O23 - Service: Intel(R) PROSet/Wireless Registry Service (RegSrvc) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
O23 - Service: Intel(R) PROSet/Wireless Service (S24EventMonitor) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
O23 - Service: Sony SPTI Service (SPTISRV) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\SPTISRV.exe
O23 - Service: SonicStage SCSI Service (SSScsiSV) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\SSScsiSV.exe
O23 - Service: VAIO Entertainment TV Device Arbitration Service - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\VAIO Entertainment Platform\VzCs\VzHardwareResourceManager\VzHardwareResourceManager.exe
O23 - Service: VAIO Event Service - Sony Corporation - C:\Program Files\Sony\VAIO Event Service\VESMgr.exe
O23 - Service: VAIO Media Integrated Server (VAIOMediaPlatform-IntegratedServer-AppServer) - Sony Corporation - C:\Program Files\Sony\VAIO Media Integrated Server\VMISrv.exe
O23 - Service: VAIO Media Integrated Server (HTTP) (VAIOMediaPlatform-IntegratedServer-HTTP) - Sony Corporation - C:\Program Files\Sony\VAIO Media Integrated Server\Platform\SV_Httpd.exe
O23 - Service: VAIO Media Integrated Server (UPnP) (VAIOMediaPlatform-IntegratedServer-UPnP) - Sony Corporation - C:\Program Files\Sony\VAIO Media Integrated Server\Platform\UPnPFramework.exe
O23 - Service: VAIO Media Gateway Server (VAIOMediaPlatform-Mobile-Gateway) - Sony Corporation - C:\Program Files\Sony\VAIO Media Integrated Server\Platform\VmGateway.exe
O23 - Service: VAIO Entertainment UPnP Client Adapter (Vcsw) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\VAIO Entertainment Platform\VCSW\VCSW.exe
O23 - Service: VAIO Entertainment Database Service (VzCdbSvc) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\VAIO Entertainment Platform\VzCdb\VzCdbSvc.exe
O23 - Service: VAIO Entertainment File Import Service (VzFw) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\VAIO Entertainment Platform\VzCdb\VzFw.exe