Win32:Trojan-gen. {Other} aider moi SVP

Salut tout le monde

j'ai le virus Win32:Trojan-gen. {Other} il infecte le fichier C:\WINDOWS\system32\rdriv.sys
j'ai avast comme antivirus et mon systeme dexploitation est windows XP
jai télécharger HijackThis

voici le rapport :

Logfile of HijackThis v1.99.1
Scan saved at 12:25:04, on 24/09/2005
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\PROGRA~1\McAfee.com\PERSON~1\MpfTray.exe
C:\WINDOWS\System32\msnq3insller.exe
C:\WINDOWS\System32\VTTimer.exe
C:\WINDOWS\System32\VTtrayp.exe
C:\WINDOWS\System32\msnmgsr.exe
C:\Program Files\Messenger\msmsgs.exe
C:\WINDOWS\System32\msnq3insller.exe
C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
C:\PROGRA~1\McAfee.com\PERSON~1\MpfAgent.exe
C:\Acer\eManager\anbmServ.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\update32.exe
C:\PROGRA~1\McAfee.com\PERSON~1\MPFSERVICE.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Emule\emule.exe
C:\WINDOWS\WinUpdates.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\WinRAR\WinRAR.exe
C:\DOCUME~1\FOOFIES\LOCALS~1\Temp\Rar$EX00.922\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\system32\msdxm.ocx
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [MPFExe] C:\PROGRA~1\McAfee.com\PERSON~1\MpfTray.exe
O4 - HKLM\..\Run: [adiras] adiras.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [MS Unix Binary] msnq3insller.exe
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe
O4 - HKLM\..\Run: [VTTrayp] VTtrayp.exe
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [MSN Messenger Service Starter] msnmgsr.exe
O4 - HKLM\..\RunServices: [MS Unix Binary] msnq3insller.exe
O4 - HKLM\..\RunServices: [MSN Messenger Service Starter] msnmgsr.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [MS Unix Binary] msnq3insller.exe
O4 - HKCU\..\Run: [NBJ] "C:\Program Files\Ahead\Nero BackItUp\NBJ.exe"
O4 - Global Startup: DSLMON.lnk = C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O16 - DPF: {33331111-1111-1111-1111-622221193458} - file://c:\ex.cab
O16 - DPF: {64311111-1111-1121-1111-111191113457} - file://c:\eied_s7.cab
O16 - DPF: {8C875948-9C60-4381-9248-0DF180542D53} (HbtInstObj) - http://installs.hotbar.com/installs/hbtools/programs/hbtools.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{97E5470F-D5FE-4E43-9EE3-5010C13E40A6}: NameServer = 217.19.192.132 217.19.192.131
O23 - Service: Notebook Manager Service (anbmService) - OSA Technologies Inc. - C:\Acer\eManager\anbmServ.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: Microsoft Windows Service - Unknown owner - C:\WINDOWS\update32.exe
O23 - Service: McAfee.com Personal Firewall Service (MpfService) - McAfee.com Corporation - C:\PROGRA~1\McAfee.com\PERSON~1\MPFSERVICE.exe
O23 - Service: Windows HWinfo Loader - Unknown owner - C:\WINDOWS\iexplre.exe (file missing)
O23 - Service: Windows Update's (WinUpdates) - Unknown owner - C:\WINDOWS\WinUpdates.exe



merci de votre aide