Salut Regis,

Je te fais parvenir tout de suite le log et encore merci pour ton aide précieuse.

Logfile of HijackThis v1.99.1
Scan saved at 14:26:03, on 05/08/2006
Platform: Windows 98 SE (Win9x 4.10.2222A)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\PROGRAM FILES\FICHIERS COMMUNS\SOFTWIN\BITDEFENDER COMMUNICATOR\XCOMMSVR.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\SYSTEM\ATIPTAXX.EXE
C:\WINDOWS\SYSTEM\DESK98.EXE
C:\WINDOWS\NEWMIXER.EXE
C:\PROGRAM FILES\ATI MULTIMEDIA\REMCTRL\ATIX10.EXE
C:\PROGRAM FILES\DUAL WHEEL MOUSE\4DMAIN.EXE
C:\WINDOWS\SYSTEM\STIMON.EXE
C:\PROGRAM FILES\MESSAGER WANADOO\DEMON.EXE
C:\PROGRAM FILES\CYBERLINK\POWERDVD\PDVDSERV.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\PROGRAM FILES\SOFTWIN\BITDEFENDER9\BDOESRV.EXE
C:\PROGRAM FILES\SOFTWIN\BITDEFENDER9\BDNAGENT.EXE
C:\WINDOWS\RUNDLL32.EXE
C:\PROGRAM FILES\BILLP STUDIOS\WINPATROL\WINPATROL.EXE
C:\PROGRAM FILES\WEBROOT\SPY SWEEPER\SPYSWEEPER.EXE
C:\PROGRAM FILES\CA\ETRUST INTERNET SECURITY SUITE\CAISSDT.EXE
C:\PROGRAM FILES\CA\ETRUST INTERNET SECURITY SUITE\ETRUST PESTPATROL ANTI-SPYWARE\PPACTIVEDETECTION.EXE
C:\PROGRAM FILES\SPYBRO\SPYBRO.EXE
C:\PROGRAM FILES\INTERVIDEO\COMMON\BIN\WINCINEMAMGR.EXE
C:\PROGRAM FILES\SPYWAREGUARD\SGMAIN.EXE
C:\PROGRAM FILES\SPYWAREGUARD\SGBHP.EXE
C:\PROGRAM FILES\WEBROOT\SPY SWEEPER\WRSSSDK.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\PROGRAM FILES\FICHIERS COMMUNS\SOFTWIN\BITDEFENDER UPDATE SERVICE\LIVESRV.EXE
C:\PROGRAM FILES\FICHIERS COMMUNS\SOFTWIN\BITDEFENDER SCAN SERVER\BDSS.EXE
C:\PROGRAM FILES\SOFTWIN\BITDEFENDER9\VSSERV.EXE
C:\PROGRAM FILES\SOFTWIN\BITDEFENDER9\BDMCON.EXE
C:\WINDOWS\NOTEPAD.EXE
C:\PROGRAM FILES\OUTLOOK EXPRESS\MSIMN.EXE
C:\HIJACKTHIS V1.99\HIJACKTHIS.EXE

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://home.neuf.fr/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://home.neuf.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: (no name) - {BE89472C-B803-4D1D-9A9A-0A63660E0FE3} - C:\PROGRA~1\COPERN~1\COPERN~1.DLL
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\PROGRAM FILES\ADOBE\ACROBAT 5.0\READER\ACTIVEX\ACROIEHELPER.OCX
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - (no file)
O2 - BHO: SpywareGuard Download Protection - {4A368E80-174F-4872-96B5-0B27DDD11DB2} - C:\PROGRAM FILES\SPYWAREGUARD\DLPROTECT.DLL
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_07\bin\ssv.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O3 - Toolbar: Copernic Agent - {F2E259E8-0FC8-438C-A6E0-342DD80FA53E} - C:\PROGRA~1\COPERN~1\COPERN~1.DLL
O3 - Toolbar: (no name) - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - (no file)
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [AtiPTA] Atiptaxx.exe
O4 - HKLM\..\Run: [HydarVisionDesktopManager] desk98.exe
O4 - HKLM\..\Run: [C-Media Mixer] C:\WINDOWS\NewMixer.exe /startup
O4 - HKLM\..\Run: [Regx10EXE] C:\Program Files\ATI Multimedia\RemCtrl\ATIX10.exe
O4 - HKLM\..\Run: [WheelMouse] C:\Program Files\Dual Wheel Mouse\4DMAIN.EXE -startup
O4 - HKLM\..\Run: [StillImageMonitor] C:\WINDOWS\SYSTEM\STIMON.EXE
O4 - HKLM\..\Run: [Demon] C:\PROGRA~1\MESSAG~1\demon.exe
O4 - HKLM\..\Run: [Tweak UI] RUNDLL32.EXE TWEAKUI.CPL,TweakMeUp
O4 - HKLM\..\Run: [RemoteControl] "C:\Program Files\CyberLink\PowerDVD\PDVDServ.exe"
O4 - HKLM\..\Run: [BDMCon] "C:\Program Files\Softwin\BitDefender9\bdmcon.exe"
O4 - HKLM\..\Run: [BitDefender Virus Shield] "C:\Program Files\Softwin\BitDefender9\vsserv.exe"
O4 - HKLM\..\Run: [BDOESRV] "C:\Program Files\Softwin\BitDefender9\bdoesrv.exe"
O4 - HKLM\..\Run: [BitDefender Live Service] "C:\Program Files\Fichiers communs\Softwin\BitDefender Update Service\livesrv.exe"
O4 - HKLM\..\Run: [BDNewsAgent] "C:\PROGRAM FILES\SOFTWIN\BITDEFENDER9\bdnagent.exe"
O4 - HKLM\..\Run: [WinPatrol] C:\PROGRAM FILES\BILLP STUDIOS\WINPATROL\winpatrol.exe
O4 - HKLM\..\Run: [SpySweeper] "C:\PROGRAM FILES\WEBROOT\SPY SWEEPER\SPYSWEEPER.EXE" /startintray
O4 - HKLM\..\Run: [CaISSDT] "C:\Program Files\CA\eTrust Internet Security Suite\caissdt.exe"
O4 - HKLM\..\Run: [eTrustPPAP] "C:\PROGRAM FILES\CA\ETRUST INTERNET SECURITY SUITE\ETRUST PESTPATROL ANTI-SPYWARE\PPACTIVEDETECTION.EXE"
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [BitDefender Communicator] "C:\Program Files\Fichiers communs\Softwin\BitDefender Communicator\\xcommsvr.exe"
O4 - HKLM\..\RunServices: [BitDefender Scan Server] "C:\Program Files\Fichiers communs\Softwin\BitDefender Scan Server\\bdss.exe"
O4 - HKLM\..\RunServices: [BitDefender Live! Init] "C:\Program Files\Softwin\BitDefender9\bdinit.exe"
O4 - HKCU\..\Run: [NBJ] "C:\PROGRAM FILES\AHEAD\NERO BACKITUP\NBJ.EXE"
O4 - HKCU\..\Run: [Update Service] C:\PROGRA~1\FICHIE~1\TEKNUM~1\UPDATE.EXE /startup
O4 - HKCU\..\Run: [SpyBrowser] "C:\PROGRAM FILES\SPYBRO\SPYBRO.EXE" /autostart
O4 - Startup: EPSON Contrôleur en arrière plan.lnk = C:\ESM2\STMS.exe
O4 - Startup: InterVideo WinCinema Manager.lnk = C:\Program Files\InterVideo\Common\Bin\WinCinemaMgr.exe
O4 - Startup: SpywareGuard.lnk = C:\Program Files\SpywareGuard\sgmain.exe
O8 - Extra context menu item: Chercher avec Copernic Agent - res://C:\Program Files\Copernic Agent\CopernicAgentExt.rdl/INTEGRATION_MENU_SEARCHEXT
O9 - Extra button: ATI TV - {44226DFF-747E-4edc-B30C-78752E50CD0C} - C:\PROGRAM FILES\ATI MULTIMEDIA\TV\EXPLBAR.DLL
O9 - Extra button: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\SYSTEM\Shdocvw.dll
O9 - Extra button: (no name) - {193B17B0-7C9F-4D5B-AEAB-8D3605EFC084} - C:\PROGRAM FILES\COPERNIC AGENT\COPERNICAGENT.EXE
O9 - Extra 'Tools' menuitem: Démarrer Copernic Agent - {193B17B0-7C9F-4D5B-AEAB-8D3605EFC084} - C:\PROGRAM FILES\COPERNIC AGENT\COPERNICAGENT.EXE
O9 - Extra button: Copernic Agent - {688DC797-DC11-46A7-9F1B-445F4F58CE6E} - C:\PROGRAM FILES\COPERNIC AGENT\COPERNICAGENT.EXE
O9 - Extra button: AmusantVIP - {76DD9E77-F06C-4471-AB6C-CF03C5C6B5B0} - C:\WINDOWS\SYSTEM\AmusantVIP (file missing)
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\PROGRAM FILES\JAVA\JRE1.5.0_07\BIN\SSV.DLL
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\PROGRAM FILES\JAVA\JRE1.5.0_07\BIN\SSV.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)
O12 - Plugin for .mid: C:\PROGRA~1\INTERN~1\PLUGINS\npqtplugin.dll
O12 - Plugin for .mov: C:\PROGRA~1\INTERN~1\PLUGINS\npqtplugin.dll
O12 - Plugin for .tiff: C:\PROGRA~1\INTERN~1\PLUGINS\npqtplugin3.dll
O16 - DPF: {C81B5180-AFD1-41A3-97E1-99E8D254DB98} (CSS Web Installer Class) - http://www.freedom.net/viruscenter/onlineviruscheck/cabs/cssweb.cab
O16 - DPF: {556DDE35-E955-11D0-A707-000000521957} - http://www.xblock.com/download/xclean_micro.exe
O16 - DPF: {0EB0E74A-2A76-4AB3-A7FB-9BD8C29F7F75} (CKAVWebScan Object) - http://www.kaspersky.com/kos/eng/partner/default/kavwebscan_ansi.cab
O16 - DPF: {56393399-041A-4650-94C7-13DFCB1F4665} (PSFormX Control) - http://home3.ca.com/PestPatrol/uniblue/pestscan/pestscan.cab
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://download.bitdefender.com/resources/scan8/oscan8.cab