Bonjour ChercheurBis,

Merci beaucoup pour ton aide.
J'ai effectué toutes les étapes. Je poste ici le dernier log HiJack.

Logfile of HijackThis v1.99.1
Scan saved at 21:59:58, on 23/09/2005
Platform: Windows 98 SE (Win9x 4.10.2222A)
MSIE: Internet Explorer v5.51 SP2 (5.51.4807.2300)

Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\SYSTEM\STIMON.EXE
C:\PROGRAM FILES\REAL\REALPLAYER\REALPLAY.EXE
C:\PROGRAM FILES\LOGITECH\MOUSEWARE\SYSTEM\EM_EXEC.EXE
C:\PROGRAM FILES\MUSICMATCH\MUSICMATCH JUKEBOX\MM_TRAY.EXE
C:\WINDOWS\SYSTEM\CARPSERV.EXE
C:\PROGRAM FILES\WINAMP\WINAMPA.EXE
C:\PROGRAM FILES\CLUB-INTERNET\LANCEUR\LANCEUR.EXE
C:\PROGRAM FILES\FINEPIXVIEWER\QUICKDCF.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\SYSTEM\RNAAPP.EXE
C:\WINDOWS\SYSTEM\TAPISRV.EXE
C:\HIJACK\HIJACKTHIS\HIJACKTHIS.EXE

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://home.fr.netscape.com/fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://home.fr.netscape.com/fr/home/winsearch200.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://home.fr.netscape.com/fr/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Internet Explorer avec Club-Internet
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = HTTP=proxy.club-internet.fr:8080
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
O3 - Toolbar: @msdxmLC.dll,-1@1036,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [StillImageMonitor] C:\WINDOWS\SYSTEM\STIMON.EXE
O4 - HKLM\..\Run: [RealTray] C:\Program Files\Real\RealPlayer\RealPlay.exe SYSTEMBOOTHIDEPLAYER
O4 - HKLM\..\Run: [EM_EXEC] C:\PROGRA~1\LOGITECH\MOUSEW~1\SYSTEM\EM_EXEC.EXE
O4 - HKLM\..\Run: [MMTray] C:\Program Files\MUSICMATCH\MUSICMATCH Jukebox\mm_tray.exe
O4 - HKLM\..\Run: [CARPService] carpserv.exe
O4 - HKLM\..\Run: [REGSHAVE] C:\Program Files\REGSHAVE\REGSHAVE.EXE /AUTORUN
O4 - HKLM\..\Run: [WinampAgent] C:\Program Files\Winamp\winampa.exe
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - Startup: Club Internet.lnk = C:\Program Files\Club-Internet\Lanceur\lanceur.exe
O4 - Startup: Exif Launcher.lnk = C:\Program Files\FinePixViewer\QuickDCF.exe
O4 - Startup: Logitech Desktop Messenger.lnk = C:\Program Files\Logitech\Desktop Messenger\8876480\Program\LDMConf.exe
O12 - Plugin for .mp3: C:\PROGRA~1\INTERN~1\PLUGINS\npqtplugin4.dll