Please help!

hi to all,salut à tous!
je suis entrain d'aider un copain, et il nya pas mieux que
www.ccm.net et ses utilisateurs

le pc est infecté avec win32/cryptExe, que faire?

Voici mon hijack this log file
ogfile of HijackThis v1.99.1
Scan saved at 8:50:58, on 25-11-2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
D:\WINDOWS\System32\smss.exe
D:\WINDOWS\system32\winlogon.exe
D:\WINDOWS\system32\services.exe
D:\WINDOWS\system32\lsass.exe
D:\WINDOWS\system32\svchost.exe
D:\WINDOWS\System32\svchost.exe
D:\WINDOWS\Explorer.EXE
D:\WINDOWS\system32\spoolsv.exe
D:\Program Files\AntiVir PersonalEdition Classic\sched.exe
D:\Program Files\AntiVir PersonalEdition Classic\avguard.exe
D:\PROGRA~1\MCAFEE.COM\PERSON~1\MPFTRAY.EXE
D:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
D:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
D:\Program Files\AntiVir PersonalEdition Classic\avgnt.exe
D:\Program Files\Quran_AR\Quran_AR.exe
D:\Program Files\Java\jre1.5.0_09\bin\jusched.exe
D:\WINDOWS\VM303_STI.EXE
D:\PROGRA~1\MCAFEE.COM\PERSON~1\MPFAGENT.EXE
D:\Program Files\Huawei Technologies\Huawei SmartAX MT810\dslmon.exe
D:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
D:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
D:\WINDOWS\system32\cisvc.exe
D:\PROGRA~1\MCAFEE.COM\PERSON~1\MPFSERVICE.exe
D:\WINDOWS\system32\svchost.exe
D:\WINDOWS\system32\wscntfy.exe
D:\WINDOWS\system32\cidaemon.exe
D:\Program Files\Yahoo!\Messenger\YahooMessenger.exe
D:\Program Files\Internet Explorer\iexplore.exe
D:\DOCUME~1\vous\LOCALS~1\Temp\Répertoire temporaire 2 pour hijackthis.zip\HijackThis.exe

R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://fr.yahoo.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://fr.rd.yahoo.com/customize/ie/defaults/su/msgr8/*https://fr.search.yahoo.com/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - D:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - D:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - D:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - D:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - D:\Program Files\Java\jre1.5.0_09\bin\ssv.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - D:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [MPFExe] D:\PROGRA~1\MCAFEE.COM\PERSON~1\MPFTRAY.EXE
O4 - HKLM\..\Run: [AVG7_CC] D:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [avgnt] "D:\Program Files\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [Quran_AR] D:\Program Files\Quran_AR\Quran_AR.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "D:\Program Files\Java\jre1.5.0_09\bin\jusched.exe"
O4 - HKLM\..\Run: [BigDog303] D:\WINDOWS\VM303_STI.EXE VIMICRO USB PC Camera (ZC0301PLH)
O4 - Global Startup: DSLMON.lnk = ?
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://D:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - D:\Program Files\Java\jre1.5.0_09\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - D:\Program Files\Java\jre1.5.0_09\bin\ssv.dll
O9 - Extra button: Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - D:\PROGRA~1\YAHOO!\COMMON\yhexbmesfr.dll
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - D:\PROGRA~1\YAHOO!\COMMON\yhexbmesfr.dll
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - D:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O17 - HKLM\System\CCS\Services\Tcpip\..\{EEE5FC24-92F7-4806-90DB-138A7BD6ECC3}: NameServer = 193.251.169.165 80.88.0.131
O23 - Service: AntiVir PersonalEdition Classic Scheduler (AntiVirScheduler) - Avira GmbH - D:\Program Files\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: AntiVir PersonalEdition Classic Guard (AntiVirService) - AVIRA GmbH - D:\Program Files\AntiVir PersonalEdition Classic\avguard.exe
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - D:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - D:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - D:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
O23 - Service: McAfee Personal Firewall Service (MpfService) - McAfee Corporation - D:\PROGRA~1\MCAFEE.COM\PERSON~1\MPFSERVICE.exe

thank you ; merci

Einstein ne disait il pas?
que pour resoudre un probleme , on a toujours besoin d'une intelligence plus grande que celle qui l'a créé!!!!!!!