bonjour a toutes et a tous, particulierement a ceux qui pourraient m'aider. depuis 2 jours mon antivirus (bitdefender 8) me signale un trojan (trojan.proxy.horst.cg) rien a faire pour le deloger, apres un scan et une supression, retour du parasite dans le fichier (c:\setup.exe) merci d'avance pour aider un pauvre schtroumpf comme moi (un vrai bleu en informatique).ci-joint le rapport hijackthis:
Logfile of HijackThis v1.99.1
Scan saved at 11:03:01, on 23/09/2006
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\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:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Communicator\xcommsvr.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\RunDll32.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATI9CE.EXE
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\Winamp\winampa.exe
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\Softwin\BitDefender8\bdnagent.exe
C:\Program Files\Softwin\BitDefender8\bdoesrv.exe
C:\PROGRA~1\Nokia\NOKIAP~1\LAUNCH~1.EXE
C:\Program Files\Webroot\Spy Sweeper\SpySweeper.exe
C:\Program Files\Nokia\Nokia PC Suite 6\PcSync2.exe
C:\Program Files\CASIO\Photo Loader\Plauto.exe
C:\Program Files\WinZip\WZQKPICK.EXE
C:\Program Files\TribalWeb.net\tribalweb.exe
C:\PROGRA~1\FICHIE~1\Nokia\MPAPI\MPAPI3s.exe
C:\Program Files\Fichiers communs\PCSuite\Services\ServiceLayer.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Scan Server\bdss.exe
C:\Program Files\Softwin\BitDefender8\vsserv.exe
c:\program files\softwin\bitdefender8\bdmcon.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\Heendrickxen\Local Settings\Temporary Internet Files\Content.IE5\6P3GLWF2\HijackThis[1].exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://recherche.neuf.fr/ie/default.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://recherche.neuf.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.neufportail.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.microsoft.com/isapi/redir.dll?prd=ie&pver=6&ar=msnhome
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://recherche.neuf.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://ie.search.msn.com/{sub_rfc1766}/srchasst/srchasst.htm
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.microsoft.com/isapi/redir.dll?prd={SUB_PRD}&clcid={SUB_CLSID}&pver={SUB_PVER}&ar=home
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://ie.search.msn.com/{sub_rfc1766}/srchasst/srchasst.htm
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = http://ie.search.msn.com/{sub_rfc1766}/srchasst/srchcust.htm
R1 - HKLM\Software\Microsoft\Internet Explorer\Search,Default_Search_URL = http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://recherche.neuf.fr/ie/default.html
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O2 - BHO: EpsonToolBandKicker Class - {E99421FB-68DD-40F0-B4AC-B7027CAE2F1A} - C:\Program Files\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll (file missing)
O3 - Toolbar: EPSON Web-To-Page - {EE5D279F-081B-4404-994D-C6B60AAEBA6D} - C:\Program Files\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll (file missing)
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\fr\msntb.dll (file missing)
O4 - HKLM\..\Run: [Raccourci vers la page des propriétés de High Definition Audio] HDAudPropShortcut.exe
O4 - HKLM\..\Run: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [EPSON Stylus Photo RX420 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATI9CE.EXE /P31 "EPSON Stylus Photo RX420 Series" /O6 "USB001" /M "Stylus Photo RX420"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [BDMCon] C:\Program Files\Softwin\BitDefender8\bdmcon.exe
O4 - HKLM\..\Run: [WinampAgent] C:\Program Files\Winamp\winampa.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [BDNewsAgent] C:\Program Files\Softwin\BitDefender8\bdnagent.exe
O4 - HKLM\..\Run: [BDOESRV] C:\Program Files\Softwin\BitDefender8\bdoesrv.exe
O4 - HKLM\..\Run: [PCSuiteTrayApplication] C:\PROGRA~1\Nokia\NOKIAP~1\LAUNCH~1.EXE -startup
O4 - HKCU\..\Run: [SpySweeper] "C:\Program Files\Webroot\Spy Sweeper\SpySweeper.exe" /0
O4 - HKCU\..\Run: [PcSync] C:\Program Files\Nokia\Nokia PC Suite 6\PcSync2.exe /NoDialog
O4 - Startup: TribalWeb.net.lnk = C:\Program Files\TribalWeb.net\tribalweb.exe
O4 - Global Startup: Supervision de Photo Loader.lnk = C:\Program Files\CASIO\Photo Loader\Plauto.exe
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.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: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - update.microsoft.com
O16 - DPF: {867E13F2-7F31-44FB-AC97-CD38E0DC46EF} (HardwareDetection Control) - http://drivers1.free.fr/telecharger.php?id

2&version

O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoftware.com/activescan/as5free/asinst.cab
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - AppInit_DLLs: sockspy.dll sockspy.dll sockspy.dll sockspy.dll
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O23 - Service: BitDefender Scan Server (bdss) - Unknown owner - C:\Program Files\Fichiers communs\Softwin\BitDefender Scan Server\bdss.exe" /service (file missing)
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: ServiceLayer - Nokia. - C:\Program Files\Fichiers communs\PCSuite\Services\ServiceLayer.exe
O23 - Service: BitDefender Virus Shield (VSSERV) - Unknown owner - C:\Program Files\Softwin\BitDefender8\vsserv.exe" /service (file missing)
O23 - Service: BitDefender Communicator (XCOMM) - Unknown owner - C:\Program Files\Fichiers communs\Softwin\BitDefender Communicator\xcommsvr.exe" /service (file missing)

ainsi que les rapports smitfraudfix avant et apres mode sans echec

SmitFraudFix v2.98

Rapport fait à 12:08:02,81, 23/09/2006
Executé à partir de E:\trojan.proxy.horst\SmitfraudFix
OS: Microsoft Windows XP [version 5.1.2600] - Windows_NT
Fix executé en mode normal

»»»»»»»»»»»»»»»»»»»»»»»» C:\


»»»»»»»»»»»»»»»»»»»»»»»» C:\WINDOWS


»»»»»»»»»»»»»»»»»»»»»»»» C:\WINDOWS\system


»»»»»»»»»»»»»»»»»»»»»»»» C:\WINDOWS\Web


»»»»»»»»»»»»»»»»»»»»»»»» C:\WINDOWS\system32


»»»»»»»»»»»»»»»»»»»»»»»» C:\WINDOWS\system32\LogFiles


»»»»»»»»»»»»»»»»»»»»»»»» C:\Documents and Settings\Heendrickxen\Application Data


»»»»»»»»»»»»»»»»»»»»»»»» Menu Démarrer


»»»»»»»»»»»»»»»»»»»»»»»» C:\DOCUME~1\HEENDR~1\FAVORIS


»»»»»»»»»»»»»»»»»»»»»»»» Bureau


»»»»»»»»»»»»»»»»»»»»»»»» C:\Program Files


»»»»»»»»»»»»»»»»»»»»»»»» Clés corrompues


»»»»»»»»»»»»»»»»»»»»»»»» Eléments du bureau

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Desktop\Components\0]
"Source"="About:Home"
"SubscribedURL"="About:Home"
"FriendlyName"="Ma page d'accueil"



SmitFraudFix v2.98

Rapport fait à 12:15:33,06, 23/09/2006
Executé à partir de E:\trojan.proxy.horst\SmitfraudFix
OS: Microsoft Windows XP [version 5.1.2600] - Windows_NT
Fix executé en mode sans echec

»»»»»»»»»»»»»»»»»»»»»»»» Avant SmitFraudFix
!!!Attention, les clés qui suivent ne sont pas forcément infectées!!!

SrchSTS.exe by S!Ri
Search SharedTaskScheduler's .dll

»»»»»»»»»»»»»»»»»»»»»»»» Arret des processus


»»»»»»»»»»»»»»»»»»»»»»»» Generic Renos Fix

GenericRenosFix by S!Ri


»»»»»»»»»»»»»»»»»»»»»»»» Suppression des fichiers infectés


»»»»»»»»»»»»»»»»»»»»»»»» Suppression Fichiers Temporaires


»»»»»»»»»»»»»»»»»»»»»»»» Nettoyage du registre

Nettoyage terminé.

»»»»»»»»»»»»»»»»»»»»»»»» Après SmitFraudFix
!!!Attention, les clés qui suivent ne sont pas forcément infectées!!!

SrchSTS.exe by S!Ri
Search SharedTaskScheduler's .dll


»»»»»»»»»»»»»»»»»»»»»»»» Fin

Configuration: pentium 4 3ghz
1 go de ram
6600 gt
xp sp2