Bonjour,

Avast reconnait ce virus en tant que Win32:Trojan-gen. {Other} qui infecte msdirectx.sys dans c:/Documents and setting/utilisateur mais n'arrive pas à le supprimer. Je n'arrive plus à accéder au mode sans echec. Grand merci à ceux qui peuvent me donner la solution.
Voici le log de Hijackthis :

Logfile of HijackThis v1.99.1
Scan saved at 08:02:19, on 05/06/2004
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\csrss.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:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
D:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
D:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7DEBUG\MDM.EXE
D:\Program Files\Alwil Software\Avast4\ashWebSv.exe
D:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\xpjava.exe
C:\WINDOWS\System32\VTTimer.exe
C:\WINDOWS\System32\mmsvc32.exe
C:\WINDOWS\System32\spools.exe
D:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\WINDOWS\etb\pokapoka62.exe
D:\Program Files\Skype\Phone\Skype.exe
D:\Program Files\UnHackMe\hackmon.exe
F:\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = http://searchmiracle.com/sp.php
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://searchmiracle.com/sp.php
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://searchmiracle.com/sp.php
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
F2 - REG:system.ini: UserInit=userinit.exe,xpjava.exe
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [Microsoft Network Services Controller] C:\WINDOWS\System32\mmsvc32.exe
O4 - HKLM\..\Run: [Spools Service Controller] C:\WINDOWS\System32\spools.exe
O4 - HKLM\..\Run: [avast!] D:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [System service62] C:\WINDOWS\etb\pokapoka62.exe
O4 - HKCU\..\Run: [Skype] "D:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - HKCU\..\Run: [UnHackMe Monitor] D:\Program Files\UnHackMe\hackmon.exe
O4 - Global Startup: Microsoft Office.lnk = D:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://D:\PROGRA~1\MICROS~1\Office10\EXCEL.EXE/3000
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2004061001/housecall.trendmicro.com/housecall/xscan53.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{058D8408-4E46-404D-AFDD-0B2C52FCFF76}: NameServer = 193.251.141.253,80.15.245.3
O17 - HKLM\System\CS1\Services\Tcpip\..\{058D8408-4E46-404D-AFDD-0B2C52FCFF76}: NameServer = 193.251.141.253,80.15.245.3
O17 - HKLM\System\CS2\Services\Tcpip\..\{058D8408-4E46-404D-AFDD-0B2C52FCFF76}: NameServer = 193.251.141.253,80.15.245.3
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - D:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - D:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - D:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - D:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)

D'avance merci ! Lalie Configuration: AMD Athlon XP 2800+ , 2.25 GHz, 256 Mo RAM, Windows XP Pro SP1