Vitesse ordinateur (basse)

Mon ordi n'avance plus le proc est toujours a 100%
voila mon log :

Logfile of HijackThis v1.99.1
Scan saved at 13:09:46, on 06/08/2005
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:\Program Files\Webroot\My Firewall Plus\Smc.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\VIGUARD\SERVICE.EXE
C:\Program Files\ADSL Autoconnect\ADSL Autoconnect.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
C:\windows\system\hpsysdrv.exe
C:\HP\KBD\KBD.EXE
C:\WINDOWS\system32\keyhook.exe
C:\WINDOWS\AGRSMMSG.exe
C:\WINDOWS\ALCXMNTR.EXE
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\VIGUARD\SDLOAD32.EXE
C:\Program Files\Microsoft AntiSpyware\gcasServ.exe
C:\PROGRA~1\Wanadoo\CnxMon.exe
C:\Program Files\Thomson\SpeedTouch USB\Dragdiag.exe
C:\PROGRA~1\Wanadoo\TaskbarIcon.exe
C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
C:\Program Files\ADSL Autoconnect\ADSL Autoconnect.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpohmr08.exe
C:\Program Files\WinZip\WZQKPICK.EXE
C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpoevm08.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\Bin\hpoSTS08.exe
C:\Program Files\Microsoft AntiSpyware\gcasDtServ.exe
C:\Documents and Settings\SpyM@t.NOM-47D5A5B94AD\Bureau\Telechargement\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.wanadoo.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://ie.redirect.hp.com/svs/rdr? [...] pf=desktop
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://ie.redirect.hp.com/svs/rdr? [...] pf=desktop
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://ie.redirect.hp.com/svs/rdr? [...] pf=desktop
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://ie.redirect.hp.com/svs/rdr? [...] pf=desktop
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://ie.redirect.hp.com/svs/rdr? [...] pf=desktop
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Wanadoo
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Search Class - {08C06D61-F1F3-4799-86F8-BE1A89362C85} - C:\PROGRA~1\Wanadoo\SEARCH~1.DLL
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
O4 - HKLM\..\Run: [hpsysdrv] c:\windows\system\hpsysdrv.exe
O4 - HKLM\..\Run: [KBD] C:\HP\KBD\KBD.EXE
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\SMINST\RECGUARD.EXE
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /installquiet /keeploaded /nodetect
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe
O4 - HKLM\..\Run: [SiS Windows KeyHook] C:\WINDOWS\system32\keyhook.exe
O4 - HKLM\..\Run: [AGRSMMSG] AGRSMMSG.exe
O4 - HKLM\..\Run: [PS2] C:\WINDOWS\system32\ps2.exe
O4 - HKLM\..\Run: [AlcxMonitor] ALCXMNTR.EXE
O4 - HKLM\..\Run: [ViGUARD] "C:\Program Files\VIGUARD\SDLOAD32.EXE" /STARTUP
O4 - HKLM\..\Run: [gcasServ] "C:\Program Files\Microsoft AntiSpyware\gcasServ.exe"
O4 - HKLM\..\Run: [WooCnxMon] C:\PROGRA~1\Wanadoo\CnxMon.exe
O4 - HKLM\..\Run: [SpeedTouch USB Diagnostics] "C:\Program Files\Thomson\SpeedTouch USB\Dragdiag.exe" /icon
O4 - HKLM\..\Run: [WOOWATCH] C:\PROGRA~1\Wanadoo\Watch.exe
O4 - HKLM\..\Run: [WOOTASKBARICON] C:\PROGRA~1\Wanadoo\TaskbarIcon.exe
O4 - HKLM\..\Run: [SmcService] C:\PROGRA~1\Webroot\MYFIRE~1\Smc.exe -startgui
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\Run: [SkwatAutoconnect] C:\Program Files\ADSL Autoconnect\ADSL Autoconnect.exe
O4 - Global Startup: hp psc 1000 series.lnk = ?
O4 - Global Startup: hpoddt01.exe.lnk = ?
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MI1933~1\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_03\bin\npjpi142_03.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_03\bin\npjpi142_03.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MI1933~1\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Messager Wanadoo - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\PROGRA~1\MESSAG~1\Messager Wanadoo.exe
O9 - Extra 'Tools' menuitem: Messager Wanadoo - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\PROGRA~1\MESSAG~1\Messager Wanadoo.exe
O9 - Extra button: Wanadoo - {1462651F-F4BA-4C76-A001-C4284D0FE16E} - http://www.wanadoo.fr (file missing) (HKCU)
O17 - HKLM\System\CCS\Services\Tcpip\..\{5013DB14-8B93-4A94-ACC0-FFD6A7FAF2DA}: NameServer = 80.10.246.130 80.10.246.3
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O23 - Service: ADSLAutoconnect - Unknown owner - C:\Program Files\ADSL Autoconnect\ADSL Autoconnect.exe" -z (file missing)
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
O23 - Service: My Firewall Plus (SmcService) - Webroot Software, Inc. - C:\Program Files\Webroot\My Firewall Plus\Smc.exe
O23 - Service: VigService - Unknown owner - C:\Program Files\VIGUARD\SERVICE.EXE

gcasDtServ.exe
SDLOAD.EXE
svchost.exe
explorer.exe (normal)

Ca c'est calmé mais des fois ca revient !!