J'ai un PC infecté par le trojan :   w32-trojano-1175  
Impossible de le virer il revient automatiquement.  
 
Voici mon post Hijackthis:  
 
Logfile of HijackThis v1.99.1  
Scan saved at 13:35:48, on 18/04/2005  
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\winlogon.exe  
C:\WINDOWS\system32\services.exe  
C:\WINDOWS\system32\lsass.exe  
C:\WINDOWS\System32\Ati2evxx.exe  
C:\WINDOWS\system32\svchost.exe  
C:\WINDOWS\System32\svchost.exe  
C:\WINDOWS\system32\spoolsv.exe  
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe  
C:\Program Files\Alwil Software\Avast4\ashServ.exe  
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe  
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe  
C:\WINDOWS\Explorer.EXE  
C:\WINDOWS\SOUNDMAN.EXE  
C:\WINDOWS\AGRSMMSG.exe  
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe  
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe  
C:\Progra~1\ATI Technologies\ATI Control Panel\atiptaxx.exe  
C:\PROGRA~1\LAUNCH~1\QtZpAcer.EXE  
C:\WINDOWS\System32\NWTRAY.EXE  
C:\Program Files\QuickTime\qttask.exe  
C:\WINDOWS\mfczq32.exe  
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe  
C:\WINDOWS\System32\ctfmon.exe  
C:\Program Files\Messenger\msmsgs.exe  
C:\Program Files\Adobe\Acrobat 4.0\Distillr\AcroTray.exe  
C:\WINDOWS\System32\wuauclt.exe  
C:\Program Files\Alwil Software\Avast4\ashSimpl.exe  
O:\hijackthis_199\HijackThis.exe  
 
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = res://C:\WINDOWS\jksjr.dll/sp.html#28129  
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = res://C:\WINDOWS\jksjr.dll/sp.html#28129  
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = about:blank  
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = res://C:\WINDOWS\jksjr.dll/sp.html#28129  
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = res://C:\WINDOWS\jksjr.dll/sp.html#28129  
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = res://C:\WINDOWS\jksjr.dll/sp.html#28129  
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = res://C:\WINDOWS\jksjr.dll/sp.html#28129  
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://global.acer.com/  
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens  
R3 - Default URLSearchHook is missing  
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll  
O2 - BHO: (no name) - {167AE968-C709-3A38-3F1C-C1CBB01B9FF3} - C:\WINDOWS\system32\sysbb32.dll  
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll  
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx  
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll  
O4 - HKLM\..\Run: [LaunchApp] Alaunch  
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe  
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE  
O4 - HKLM\..\Run: [AGRSMMSG] AGRSMMSG.exe  
O4 - HKLM\..\Run: [SynTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe  
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe  
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe  
O4 - HKLM\..\Run: [ATIPTA] C:\Progra~1\ATI Technologies\ATI Control Panel\atiptaxx.exe  
O4 - HKLM\..\Run: [LManager] C:\PROGRA~1\LAUNCH~1\QtZpAcer.EXE  
O4 - HKLM\..\Run: [NWTRAY] NWTRAY.EXE  
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe  
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Program Files\Fichiers communs\Symantec Shared\Security Center\UsrPrmpt.exe  
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime  
O4 - HKLM\..\Run: [mfczq32.exe] C:\WINDOWS\mfczq32.exe  
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe  
O4 - HKLM\..\RunOnce: [d3mg.exe] C:\WINDOWS\system32\d3mg.exe  
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe  
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background  
O4 - Global Startup: Acrobat Assistant.lnk = C:\Program Files\Adobe\Acrobat 4.0\Distillr\AcroTray.exe  
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE  
O8 - Extra context menu item: &Google Search - res://C:\Program Files\Google\GoogleToolbar1.dll/cmsearch.html  
O8 - Extra context menu item: Pages liées - res://C:\Program Files\Google\GoogleToolbar1.dll/cmbacklinks.html  
O8 - Extra context menu item: Pages similaires - res://C:\Program Files\Google\GoogleToolbar1.dll/cmsimilar.html  
O8 - Extra context menu item: Version de la page actuelle disponible dans le cache Google - res://C:\Program Files\Google\GoogleToolbar1.dll/cmcache.html  
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm  
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm  
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE  
O9 - Extra 'Tools' menuitem: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE  
O17 - HKLM\System\CCS\Services\Tcpip\..\{6525FB53-22E5-47A3-BE07-4E755EED43CB}: NameServer = 80.10.246.2,80.10.246.129  
O17 - HKLM\System\CCS\Services\Tcpip\..\{C0727BFA-2790-4AA8-93C3-A3FB5204B98C}: NameServer = 194.2.0.20,194.2.0.50  
O23 - Service: Workstation NetLogon Service ( 11Fßä#·ºÄÖ`I) - Unknown owner - C:\WINDOWS\system32\javawx.exe (file missing)  
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe  
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe  
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.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: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe