j'ai fait ce que tu m'as dit, merci de m'aider
voila le scan
Logfile of HijackThis v1.99.1
Scan saved at 23:33:41, on 08/05/2007
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:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\system\host.exe
C:\WINDOWS\system\msnntlp.exe
C:\Program Files\WinRAR\WinRAR.exe
C:\DOCUME~1\Marie\LOCALS~1\Temp\Rar$EX03.767\scanner.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://fr.altavista.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL =
http://recherche.neuf.fr/
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
http://recherche.neuf.fr/ie/default.html
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O4 - HKLM\..\Run: [MSConfig] C:\WINDOWS\PCHealth\HelpCtr\Binaries\MSConfig.exe /auto
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: {67DABFBF-D0AB-41FA-9C46-CC0F21721616} (DivXBrowserPlugin Object) -
http://go.divx.com/plugin/DivXBrowserPlugin.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) -
http://acs.pandasoftware.com/activescan/as5free/asinst.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{434E8707-672F-47A1-9BEC-36079FD1D2EB}: NameServer = 84.103.237.146 86.64.145.146
O17 - HKLM\System\CCS\Services\Tcpip\..\{D87105BF-2201-47CD-8763-8C5BE2F430C5}: NameServer = 192.168.1.1
O17 - HKLM\System\CS1\Services\Tcpip\..\{434E8707-672F-47A1-9BEC-36079FD1D2EB}: NameServer = 84.103.237.146 86.64.145.146
O17 - HKLM\System\CS2\Services\Tcpip\..\{434E8707-672F-47A1-9BEC-36079FD1D2EB}: NameServer = 84.103.237.143 86.64.145.143
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - 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: Microsoft Host Service (MSHOST) - Unknown owner - C:\WINDOWS\system\host.exe
O23 - Service: msnntlp - Unknown owner - C:\WINDOWS\system\msnntlp.exe