Trojen

Bonjour, je suis infecté par un trojan: TR/Downloader.Gen' [trojan]
j'ai passé malawarbites en mode sans echec, mais il reviens, qui peux m'aider?
voici le rapport
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 13:36:10, on 14/05/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

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\system32\spoolsv.exe
C:\Program Files\Avira\AntiVir Desktop\sched.exe
C:\Program Files\Avira\AntiVir Desktop\avguard.exe
C:\WINDOWS\system32\cisvc.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\Program Files\Malwarebytes' Anti-Malware\mbamservice.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\SLEE503.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\TUProgSt.exe
C:\WINDOWS\system32\wbem\wmiapsrv.exe
C:\DOCUME~1\azer\APPLIC~1\esentutl.exe
C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files\Ashampoo\Ashampoo FireWall\FireWall.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Documents and Settings\azer\Local Settings\Application Data\Google\Update\GoogleUpdate.exe
C:\Program Files\Steganos Secure FileSharing 6\sfs.exe
C:\WINDOWS\system32\cidaemon.exe
C:\Program Files\Wanadoo\EspaceWanadoo.exe
C:\Program Files\Wanadoo\ComComp.exe
C:\Program Files\Wanadoo\Watch.exe
C:\Documents and Settings\azer\Local Settings\Application Data\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\azer\Local Settings\Application Data\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\azer\Local Settings\Application Data\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\azer\Local Settings\Application Data\Google\Chrome\Application\chrome.exe
c:\program files\avira\antivir desktop\avcenter.exe
C:\WINDOWS\explorer.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
C:\Program Files\Microsoft Office\OFFICE11\POWERPNT.EXE

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.wanadoo.fr/go/page_recherche/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.wanadoo.fr
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Favoris
F3 - REG:win.ini: load=C:\DOCUME~1\azer\APPLIC~1\esentutl.exe
O2 - BHO: Java(tm) Plug-In SSV Helper - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre6\bin\ssv.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\3.1.807.1746\swg.dll
O2 - BHO: MegaIEMn - {bf00e119-21a3-4fd1-b178-3b8537e75c92} - C:\Program Files\Megaupload\Mega Manager\MegaIEMn.dll
O2 - BHO: NTIECatcher Class - {C56CB6B0-0D96-11D6-8C65-B2868B609932} - C:\Program Files\Xi\NetTransport 2\NTIEHelper.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: (no name) - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
O4 - HKLM\..\Run: [SpeedTouch USB Diagnostics] "C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe" /icon
O4 - HKLM\..\Run: [Malwarebytes' Anti-Malware] "C:\Program Files\Malwarebytes' Anti-Malware\mbamgui.exe" /starttray
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [Ashampoo FireWall] "C:\Program Files\Ashampoo\Ashampoo FireWall\FireWall.exe" -TRAY
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\RunOnce: [WIAWizardMenu] RUNDLL32.EXE C:\WINDOWS\system32\sti_ci.dll,WiaCreateWizardMenu
O4 - HKLM\..\RunOnce: [Malwarebytes Anti-Malware (reboot)] "C:\Program Files\Malwarebytes' Anti-Malware\mbam.exe" /runcleanupscript
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Google Update] "C:\Documents and Settings\azer\Local Settings\Application Data\Google\Update\GoogleUpdate.exe" /c
O4 - HKCU\..\Run: [VoipBuster] "C:\Program Files\VoipBuster.com\VoipBuster\VoipBuster.exe" -nosplash -minimized
O4 - HKCU\..\Run: [GridinSoft Trojan Killer] "C:\Program Files\GridinSoft Trojan Killer\trojankiller.exe" 0
O4 - HKCU\..\Run: [Vidalia] "C:\Program Files\Vidalia Bundle\Vidalia\vidalia.exe"
O4 - HKLM\..\Policies\Explorer\Run: [SessMgr] C:\DOCUME~1\azer\LOCALS~1\APPLIC~1\sessmgr.exe /waitservice
O4 - HKLM\..\Policies\Explorer\Run: [DllHst] C:\WINDOWS\System\dllhst3g.exe /waitservice
O4 - HKCU\..\Policies\Explorer\Run: [SessMgr] C:\DOCUME~1\azer\LOCALS~1\APPLIC~1\sessmgr.exe /waitservice
O4 - HKCU\..\Policies\Explorer\Run: [ClipSrv] C:\DOCUME~1\azer\LOCALS~1\APPLIC~1\MICROS~1\clipsrv.exe /waitservice
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\RunOnce: [WinLSD_SP3] %systemroot%\LSD\end.cmd (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\RunOnce: [WinLSD_SP3] %systemroot%\LSD\end.cmd (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-20\..\RunOnce: [nltide_3] rundll32 advpack.dll,LaunchINFSectionEx nLite.inf,C,,4,N (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\RunOnce: [WinLSD_SP3] %systemroot%\LSD\end.cmd (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\Policies\Explorer\Run: [ClipSrv] C:\DOCUME~1\azer\APPLIC~1\clipsrv.exe /waitservice (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\RunOnce: [WinLSD_SP3] %systemroot%\LSD\end.cmd (User 'Default user')
O4 - HKUS\.DEFAULT\..\Policies\Explorer\Run: [ClipSrv] C:\DOCUME~1\azer\APPLIC~1\clipsrv.exe /waitservice (User 'Default user')
O4 - Global Startup: Privoxy.lnk = C:\Program Files\Vidalia Bundle\Privoxy\privoxy.exe
O8 - Extra context menu item: &Télécharger avec NetTransport - C:\Program Files\Xi\NetTransport 2\NTAddLink.html
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~1\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Tout t&élécharger avec NetTransport - C:\Program Files\Xi\NetTransport 2\NTAddList.html
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - C:\WINDOWS\bdoscandel.exe (file missing)
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - C:\WINDOWS\bdoscandel.exe (file missing)
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~1\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Wanadoo - {1462651F-F4BA-4C76-A001-C4284D0FE16E} - http://www.wanadoo.fr (file missing) (HKCU)
O16 - DPF: {80DD2229-B8E4-4C77-B72F-F22972D723EA} - http://www.inoculer.com/antivirus/Msie/bitdefender.cab
O16 - DPF: {BDBDE413-7B1C-4C68-A8FF-C5B2B4090876} - http://support.f-secure.com/ols/fscax.cab
O16 - DPF: {CAFEEFAC-0016-0000-0007-ABCDEFFEDCBA} (Java Plug-in 1.6.0_07) -
O17 - HKLM\System\CCS\Services\Tcpip\..\{672B801C-6A8E-47EE-BF8C-0599FD6877C7}: NameServer = 80.10.246.130 81.253.149.10
O23 - Service: Avira AntiVir Planificateur (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Service d'état ASP.NET (aspnet_state) - Unknown owner - C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_state.exe (file missing)
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: MBAMService - Malwarebytes Corporation - C:\Program Files\Malwarebytes' Anti-Malware\mbamservice.exe
O23 - Service: NBService - Nero AG - C:\Program Files\Nero\Nero 7\Nero BackItUp\NBService.exe
O23 - Service: Steganos Live Encryption Engine (Version 503) [Service] (SLEE_503_SERVICE) - Unknown owner - C:\WINDOWS\system32\SLEE503.exe
O23 - Service: TuneUp Drive Defrag Service (TuneUp.Defrag) - TuneUp Software - C:\WINDOWS\System32\TuneUpDefragService.exe
O23 - Service: TuneUp Program Statistics Service (TuneUp.ProgramStatisticsSvc) - TuneUp Software - C:\WINDOWS\System32\TUProgSt.exe

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End of file - 9261 bytes
merci d'avance!