Besoin d'aide pour virer un trojan..

Bonjour à vous !

hé bien voilà, c'est reparti ! j'ai un virus, à priori un trojan..Avast n'arrête pas de sonner...

je sais que je peux faire confiance à l'équipe pour résoudre ce problème, je poste un Hi-Jack :

Logfile of HijackThis v1.99.1
Scan saved at 15:08:23, on 12/09/2005
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINNT\system32\DRIVERS\CDANTSRV.EXE
C:\WINNT\System32\svchost.exe
C:\WINNT\system32\hidserv.exe
C:\PROGRA~1\Iomega\System32\AppServices.exe
C:\WINNT\system32\nvsvc32.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\system32\stisvc.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\mspmspsv.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\Explorer.EXE
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\WINNT\system32\RUNDLL32.EXE
C:\Program Files\ahead\InCD\InCD.exe
C:\Program Files\Iomega HotBurn Pro\Autolaunch.exe
C:\Program Files\Microsoft Hardware\Keyboard\type32.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\Microsoft Hardware\Mouse\point32.exe
C:\Program Files\Winamp\winampa.exe
C:\WINNT\system32\internat.exe
C:\Program Files\Convertisseur Euro\Euro.exe
C:\Program Files\Soulseek\slsk.exe
C:\Program Files\Winamp\Winamp.exe
C:\Program Files\AutoCAD 2005\acad.exe
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\AdskCleanup.0001
C:\Program Files\Fichiers communs\Autodesk Shared\Service\AdskScSrv.exe
C:\Program Files\Fichiers communs\Autodesk Shared\WSCommCntr1.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Alwil Software\Avast4\ashSimpl.exe
C:\Program Files\Alwil Software\Avast4\ashLogV.exe
C:\PROGZ\antivirus\hijackthis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer fourni par Club Internet
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = http=proxy.club-internet.fr:8080
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\system32\msdxm.ocx
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINNT\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINNT\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [NeroCheck] C:\WINNT\system32\NeroCheck.exe
O4 - HKLM\..\Run: [InCD] C:\Program Files\ahead\InCD\InCD.exe
O4 - HKLM\..\Run: [vmtalk] C:\Program Files\Fichiers communs\Talkway\vmtalk.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [Drag'n'Drop_Autolaunch] "C:\Program Files\Iomega HotBurn Pro\Autolaunch.exe"
O4 - HKLM\..\Run: [IntelliType] "C:\Program Files\Microsoft Hardware\Keyboard\type32.exe"
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [POINTER] point32.exe
O4 - HKLM\..\Run: [WinampAgent] C:\Program Files\Winamp\winampa.exe
O4 - HKCU\..\Run: [internat.exe] internat.exe
O4 - Startup: Convertisseur Euro.lnk = C:\Program Files\Convertisseur Euro\Euro.exe
O4 - Global Startup: Accélérateur de démarrage AutoCAD.lnk = C:\Program Files\Fichiers communs\Autodesk Shared\acstart16.exe
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Docteur Club Internet.lnk = C:\Program Files\Club-Internet\Dr Club Internet\bin\matcli.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINNT\system32\msjava.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINNT\system32\msjava.dll
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} - http://software-dl.real.com/058910ba81108b5bc415/netzip/RdxIE601_fr.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoftware.com/activescan/as5free/asinst.cab
O16 - DPF: {A3009861-330C-4E10-822B-39D16EC8829D} (CRAVOnline Object) - http://www.ravantivirus.com/scan/ravonline.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O16 - DPF: {C36112BF-2FA3-4694-8603-3B510EA3B465} (Lycos File Upload Component) - http://f004.mail.caramail.lycos.fr/app/uploader/FileUploader.cab
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Autodesk Licensing Service - Autodesk, Inc. - C:\Program Files\Fichiers communs\Autodesk Shared\Service\AdskScSrv.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: C-DillaSrv - C-Dilla Ltd - C:\WINNT\system32\DRIVERS\CDANTSRV.EXE
O23 - Service: Service d'administration du Gestionnaire de disque logique (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: Iomega App Services - Iomega Corporation - C:\PROGRA~1\Iomega\System32\AppServices.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINNT\system32\nvsvc32.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FICHIE~1\SYMANT~1\SCRIPT~1\SBServ.exe

voici ce que mon antivirus me dit (Avast) :

12/09/2005 15:06:32 Administrateur 1888 Sign of "Win32:Trojano-2116 [Trj]" has been found in "C:\WINNT\system32\shnlog.exe\[FSG]" file.
12/09/2005 15:06:14 Administrateur 1888 Sign of "Win32:Favadd-H [Trj]" has been found in "C:\WINNT\system32\ole32vbs.exe" file.
12/09/2005 15:05:40 Administrateur 1888 Sign of "Win32:Trojano-2057 [Trj]" has been found in "C:\WINNT\system32\msole32.exe" file.
12/09/2005 15:05:15 Administrateur 1888 Sign of "Win32:Trojano-2115 [Trj]" has been found in "C:\WINNT\system32\intmonp.exe" file.
12/09/2005 15:04:45 Administrateur 1888 Sign of "Win32:Trojano-2116 [Trj]" has been found in "C:\WINNT\system32\intmon.exe" file.
12/09/2005 15:01:22 Administrateur 1888 Sign of "Win32:Trojano-2115 [Trj]" has been found in "C:\WINNT\popuper.exe\[FSG]" file.
12/09/2005 14:49:06 SYSTEM 592 Sign of "Win32:Trojano-2353 [Trj]" has been found in "http://www.homeoffun.com/downloads/CL1E23/AbsoluCasino.exe" file.
merci d'avance !