trojan downloader

bonjour alors voila depuis maintenant 1 semaine g un trijan (encore c trojans) . lantivirus me met une alerte mais quand je fé l'analyse du systeme il ne detecte rien g le chemin d'acces du trojan mais il est en dossier cache et quand je veux le supprimer car avec nero ma liste de fichier aparait il me mette ce fichier est peut etre endommage ou ecriture.... il se situe dans disque local/recycler/system volume information ...

je souhaiterrai une reponse s'il vous plait merci

Logfile of HijackThis v1.99.1
Scan saved at 18:59 ******, on 14/12/2005
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Logitech\iTouch\iTouch.exe
C:\Program Files\MessengerPlus! 3\MsgPlus.exe
C:\Program Files\CursorXP\CursorXP.exe
C:\Program Files\SuperCopier\SuperCopier.exe
C:\Program Files\Gadwin Systems\PrintScreen\PrintScreen.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Shareaza\Shareaza.exe
C:\Program Files\Spyware Doctor\swdoctor.exe
C:\Program Files\Logitech\MouseWare\system\em_exec.exe
C:\Program Files\Fichiers communs\Acronis\Schedule2\schedul2.exe
C:\Program Files\Executive Software\Diskeeper\DkService.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\Spyware Doctor\sdhelp.exe
C:\WINDOWS\System32\svchost.exe
C:\PROGRA~1\VCOM\SYSTEM~1\MXTask.exe
C:\WINDOWS\system32\wdfmgr.exe
C:\PROGRA~1\VCOM\SYSTEM~1\mxtask.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Documents and Settings\ROMAIN\Mes documents\WEEB\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: PCTools Site Guard - {5C8B2A36-3DB1-42A4-A3CB-D426709BBFEB} - C:\PROGRA~1\SPYWAR~1\tools\iesdsg.dll
O2 - BHO: PCTools Browser Monitor - {B56A7D7D-6927-48C8-A975-17DF180C71AC} - C:\PROGRA~1\SPYWAR~1\tools\iesdpb.dll
O4 - HKLM\..\Run: [DiskeeperSystray] "C:\Program Files\Executive Software\Diskeeper\DkIcon.exe"
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [Fix-It AV] C:\PROGRA~1\VCOM\SYSTEM~1\MemCheck.exe
O4 - HKLM\..\Run: [zBrowser Launcher] C:\Program Files\Logitech\iTouch\iTouch.exe
O4 - HKLM\..\Run: [Logitech Utility] Logi_MwX.Exe
O4 - HKLM\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe"
O4 - HKLM\..\Run: [I downloaded pirated Software from P2P and now I post my Hijack log whining] C:\WINDOWS\system32\FIFA Football 2006 crack.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKCU\..\Run: [CursorXP] C:\Program Files\CursorXP\CursorXP.exe
O4 - HKCU\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe" /WinStart
O4 - HKCU\..\Run: [SuperCopier.exe] C:\Program Files\SuperCopier\SuperCopier.exe
O4 - HKCU\..\Run: [Gadwin PrintScreen 2.6] C:\Program Files\Gadwin Systems\PrintScreen\PrintScreen.exe /nosplash
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [Internet Download Accelerator] C:\Program Files\IDA\ida.exe -autorun
O4 - HKCU\..\Run: [Free Download Manager] C:\Program Files\Free Download Manager\fdm.exe -autorun
O4 - HKCU\..\Run: [Shareaza] "C:\Program Files\Shareaza\Shareaza.exe" -tray
O4 - HKCU\..\Run: [Spyware Doctor] "C:\Program Files\Spyware Doctor\swdoctor.exe" /Q
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_05\bin\npjpi142_05.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_05\bin\npjpi142_05.dll
O9 - Extra button: Spyware Doctor - {2D663D1A-8670-49D9-A1A5-4C56B4E14E84} - C:\PROGRA~1\SPYWAR~1\tools\iesdpb.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} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Organise-notes - {9455301C-CF6B-11D3-A266-00C04F689C50} - C:\Program Files\Fichiers communs\Microsoft Shared\Encarta Researcher\EROPROJ.DLL
O9 - Extra button: (no name) - {9819CC0E-9669-4D01-9CD7-2C66DA43AC6C} - (no file)
O9 - Extra button: (no name) - {B205A35E-1FC4-4CE3-818B-899DBBB3388C} - C:\Program Files\Fichiers communs\Microsoft Shared\Encarta Search Bar\ENCSBAR.DLL
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab31267....
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab312...
O16 - DPF: {56393399-041A-4650-94C7-13DFCB1F4665} (PSFormX Control) - http://pestpatrol.com/pestscan/pestscan.cab
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://www.bitdefender.fr/scan8/oscan8.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClie...
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: Acronis Scheduler2 Service (AcrSch2Svc) - Acronis - C:\Program Files\Fichiers communs\Acronis\Schedule2\schedul2.exe
O23 - Service: Diskeeper - Executive Software International, Inc. - C:\Program Files\Executive Software\Diskeeper\DkService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: PC Tools Spyware Doctor (SDhelper) - PC Tools - C:\Program Files\Spyware Doctor\sdhelp.exe
O23 - Service: SystemSuite Task Manager - V Communications, Inc. - C:\PROGRA~1\VCOM\SYSTEM~1\MXTask.exe