J'ai reussi a supprimer le fichier vturs.dll par contre je pense etre encore affecte.
Pouvez vous svp regarder le log hijackthis que je viens de faire.

Merci par avance.

'Logfile of HijackThis v1.99.1
Scan saved at 11:44:21, on 18/01/2006
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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\SECURI~1\Av_Fw\backweb\8520111\Program\SERVIC~1.EXE
C:\Program Files\Securitoo\Av_Fw\Anti-Virus\fsgk32st.exe
C:\Program Files\Securitoo\Av_Fw\Anti-Virus\FSGK32.EXE
C:\Program Files\Securitoo\Av_Fw\backweb\8520111\program\fsbwsys.exe
C:\Program Files\Securitoo\Av_Fw\Common\FSMA32.EXE
C:\Program Files\Securitoo\Av_Fw\Common\FSMB32.EXE
C:\Program Files\Fichiers communs\Microsoft Shared\VS7Debug\mdm.exe
C:\Program Files\Securitoo\Av_Fw\Anti-Virus\fssm32.exe
C:\Program Files\Securitoo\Av_Fw\Common\FCH32.EXE
C:\WINDOWS\system32\slserv.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\RealVNC\VNC4\WinVNC4.exe
C:\Program Files\Securitoo\Av_Fw\Common\FAMEH32.EXE
C:\WINDOWS\Explorer.EXE
C:\Program Files\Securitoo\Av_Fw\FWES\Program\fsdfwd.exe
C:\Program Files\Securitoo\Av_Fw\Anti-Virus\fsav32.exe
C:\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\apps\ABoard\ABoard.exe
C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe
C:\Program Files\QuickTime\qttask.exe
C:\apps\ABoard\AOSD.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\Java\jre1.5.0\bin\jusched.exe
C:\Program Files\Securitoo\Av_Fw\Common\FSM32.EXE
C:\Program Files\Securitoo\Av_Fw\FSGUI\ispnews.exe
C:\Program Files\Securitoo\Av_Fw\backweb\8520111\Program\fspex.exe
C:\Program Files\Securitoo\Av_Fw\FSGUI\fsguiexe.exe
C:\Program Files\Securitoo\av_fw\Anti-Spyware\Ad-Monitor.exe
C:\Program Files\Sony Corporation\Picture Package\Picture Package Menu\SonyTray.exe
C:\Program Files\Sony Corporation\Picture Package\Picture Package Applications\Residence.exe
C:\Program Files\Securitoo\Av_Fw\FSGUI\fsavgui.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\WinRAR\WinRAR.exe
C:\DOCUME~1\GAVRIL~1\LOCALS~1\Temp\Rar$EX00.172\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = file://C:\APPS\IE\offline\fr.htm
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe
O4 - HKLM\..\Run: [ATIPTA] C:\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [ACTIVBOARD] c:\apps\ABoard\ABoard.exe
O4 - HKLM\..\Run: [SpeedTouch USB Diagnostics] "C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe" /icon
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [hpppta] C:\Program Files\Hewlett-Packard\HP PrecisionScan\PrecisionScan Pro\hpppta.exe /ICON
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [MS Unix Binary] trmupdate.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0\bin\jusched.exe
O4 - HKLM\..\Run: [F-Secure Manager] "C:\Program Files\Securitoo\Av_Fw\Common\FSM32.EXE" /splash
O4 - HKLM\..\Run: [F-Secure TNB] "C:\Program Files\Securitoo\Av_Fw\TNB\TNBUtil.exe" /CHECKALL /WAITFORSW
O4 - HKLM\..\Run: [F-Secure Startup Wizard] "C:\Program Files\Securitoo\Av_Fw\FSGUI\FSSW.EXE" /reboot
O4 - HKLM\..\Run: [News Service] "C:\Program Files\Securitoo\Av_Fw\FSGUI\ispnews.exe"
O4 - HKLM\..\Run: [FSASWREG] "C:\Program Files\Securitoo\Av_Fw\Anti-Spyware\fsaswreg.exe"
O4 - HKLM\..\RunServices: [MS Unix Binary] trmupdate.exe
O4 - HKCU\..\Run: [AWMON] "C:\Program Files\Securitoo\av_fw\Anti-Spyware\Ad-Monitor.exe"
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: Picture Package Menu.lnk = ?
O4 - Global Startup: Picture Package VCD Maker.lnk = ?
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0\bin\npjpi150.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0\bin\npjpi150.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: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\System32\Shdocvw.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\MSN Messenger\MSNMSGR.EXE
O9 - Extra 'Tools' menuitem: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\MSN Messenger\MSNMSGR.EXE
O12 - Plugin for .mpg: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin3.dll
O14 - IERESET.INF: START_PAGE_URL=file://C:\APPS\IE\offline\fr.htm
O17 - HKLM\System\CCS\Services\Tcpip\..\{52E2A94C-B038-497A-85ED-9FE98D4DC848}: NameServer = 192.168.0.1
O17 - HKLM\System\CCS\Services\Tcpip\..\{643C7C76-20B6-42F9-BD7D-6955FF4F27FC}: NameServer = 80.10.246.1 80.10.246.132
O17 - HKLM\System\CS1\Services\Tcpip\..\{52E2A94C-B038-497A-85ED-9FE98D4DC848}: NameServer = 192.168.0.1
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: Securitoo Antivirus Firewall (BackWeb Plug-in - 8520111) - Unknown owner - C:\PROGRA~1\SECURI~1\Av_Fw\backweb\8520111\Program\SERVIC~1.EXE
O23 - Service: F-Secure Gatekeeper Handler Starter - F-Secure Corp. - C:\Program Files\Securitoo\Av_Fw\Anti-Virus\fsgk32st.exe
O23 - Service: fsbwsys - F-Secure Corp. - C:\Program Files\Securitoo\Av_Fw\backweb\8520111\program\fsbwsys.exe
O23 - Service: F-Secure Anti-Virus Firewall Daemon (FSDFWD) - F-Secure Corporation - C:\Program Files\Securitoo\Av_Fw\FWES\Program\fsdfwd.exe
O23 - Service: F-Secure Management Agent (FSMA) - F-Secure Corporation - C:\Program Files\Securitoo\Av_Fw\Common\FSMA32.EXE
O23 - Service: Local Security Authority Subsystem Service (lsass) - Unknown owner - C:\WINDOWS\lsass.exe (file missing)
O23 - Service: MsLS32 - Unknown owner - C:\WINDOWS\MsLS32.exe (file missing)
O23 - Service: SmartLinkService (SLService) - - C:\WINDOWS\SYSTEM32\slserv.exe
O23 - Service: sysmgr64 - Unknown owner - C:\WINDOWS\sysmgr64.exe (file missing)
O23 - Service: VNC Server Version 4 (WinVNC4) - Unknown owner - C:\Program Files\RealVNC\VNC4\WinVNC4.exe" -service (file missing)