Ordi rame a fond

depuis quelques jour mon ordi rame un max et je ne sais plus trop quoi faire
scan avec ad-aware et spybot mais rien n'y fait

je vous donne le scan hijackthis dites moi ce que je peux faire svp merci

Logfile of HijackThis v1.99.0
Scan saved at 16:00:16, on 12/05/2005
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Creative\ShareDLL\CtNotify.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\Program Files\CyberLink\PowerDVD\PDVDServ.exe
C:\Program Files\D-Tools\daemon.exe
C:\Program Files\MessengerPlus! 3\MsgPlus.exe
C:\Program Files\Network Associates\VirusScan\SHSTAT.EXE
C:\Program Files\Network Associates\Common Framework\UpdaterUI.exe
C:\Program Files\Fichiers communs\Network Associates\TalkBack\TBMon.exe
C:\Program Files\Creative\ShareDLL\MediaDet.Exe
C:\Program Files\Java\jre1.5.0_02\bin\jusched.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\WINDOWS\system32\CascSvc.exe
C:\WINDOWS\system32\CTSvcCDA.exe
C:\Program Files\Fichiers communs\EPSON\EBAPI\SAgent2.exe
C:\Program Files\Network Associates\Common Framework\FrameworkService.exe
C:\Program Files\Network Associates\VirusScan\Mcshield.exe
C:\Program Files\Network Associates\VirusScan\VsTskMgr.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\WINDOWS\wanmpsvc.exe
C:\Program Files\eMule\emule.exe
C:\WINDOWS\system32\taskmgr.exe
C:\Program Files\Winamp\Winamp.exe
C:\Program Files\WinRAR\WinRAR.exe
C:\DOCUME~1\MICKAE~1.MAC\LOCALS~1\Temp\Rar$EX00.187\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://muwsbuiofa.net/fHWYxatfazdeIPVkA7eD5ogRkQGTtF/LOiPn4NVmDxDSmaljkl6eiFKix0S_FiLc.php
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://freebox.free.fr/
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://www.google.fr/keyword/%s
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://lstard.stormcorp.net/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [Détecteur de disque] C:\Program Files\Creative\ShareDLL\CtNotify.exe
O4 - HKLM\..\Run: [Disc Detector] C:\Program Files\Creative\ShareDLL\CtNotify.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [Zone Labs Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [RemoteControl] "C:\Program Files\CyberLink\PowerDVD\PDVDServ.exe"
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [CloneCDTray] "C:\Program Files\SlySoft\CloneCD\CloneCDTray.exe" /s
O4 - HKLM\..\Run: [PE2CKFNT SE] C:\Program Files\Ulead Systems\Ulead Photo Express 2 SE\ChkFont.exe
O4 - HKLM\..\Run: [DAEMON Tools-1033] "C:\Program Files\D-Tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe"
O4 - HKLM\..\Run: [ShStatEXE] "C:\Program Files\Network Associates\VirusScan\SHSTAT.EXE" /STANDALONE
O4 - HKLM\..\Run: [McAfeeUpdaterUI] "C:\Program Files\Network Associates\Common Framework\UpdaterUI.exe" /StartedFromRunKey
O4 - HKLM\..\Run: [Network Associates Error Reporting Service] "C:\Program Files\Fichiers communs\Network Associates\TalkBack\TBMon.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_02\bin\jusched.exe
O4 - HKLM\..\RunOnce: [DELDIR0.EXE] "C:\DOCUME~1\MICKAE~1.MAC\LOCALS~1\Temp\DELDIR0.EXE" "C:\Program Files\McAfee\McAfee Shared Components\Guardian\"
O4 - HKCU\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe" /WinStart
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_02\bin\npjpi150_02.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_02\bin\npjpi150_02.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
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\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O12 - Plugin for .pdf: C:\Program Files\Internet Explorer\PLUGINS\nppdf32.dll
O16 - DPF: Dice Derby by pogo - http://game1.pogo.com/applet-6.1.5.28/checkeredflag/checkeredflag-ob-assets.cab
O16 - DPF: fdjeux - https://www.fdjeux.net/classes/fdjeux.cab
O16 - DPF: Fortune Bingo by pogo - http://game1.pogo.com/applet-6.1.4.29/superbingo/superbingo-ob-assets.cab
O16 - DPF: teleir_cert - https://static.ir.dgi.minefi.gouv.fr/secure/connexion/archives/ie4n4/teleir_cert.cab
O16 - DPF: Texas Hold'em Poker by pogo - http://game1.pogo.com/applet-6.2.0.30/holdem/holdem-ob-assets.cab
O16 - DPF: Word Whomp Whackdown by pogo - http://game1.pogo.com/applet-6.1.4.22/whackdown/whackdown-ob-assets.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O23 - Service: Ati HotKey Poller - Unknown - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: Casc'ADSL - Unknown - C:\WINDOWS\system32\CascSvc.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\system32\CTSvcCDA.exe
O23 - Service: Service d'administration du Gestionnaire de disque logique - Unknown - C:\WINDOWS\System32\dmadmin.exe
O23 - Service: EPSON Printer Status Agent2 - SEIKO EPSON CORPORATION - C:\Program Files\Fichiers communs\EPSON\EBAPI\SAgent2.exe
O23 - Service: Journal des événements - Unknown - C:\WINDOWS\system32\services.exe
O23 - Service: Service Framework McAfee - Network Associates, Inc. - C:\Program Files\Network Associates\Common Framework\FrameworkService.exe
O23 - Service: Network Associates McShield - Network Associates, Inc. - C:\Program Files\Network Associates\VirusScan\Mcshield.exe
O23 - Service: Network Associates Task Manager - Network Associates, Inc. - C:\Program Files\Network Associates\VirusScan\VsTskMgr.exe
O23 - Service: DSDM DDE réseau - Unknown - C:\WINDOWS\system32\netdde.exe
O23 - Service: Plug-and-Play - Unknown - C:\WINDOWS\system32\services.exe
O23 - Service: TrueVector Internet Monitor - Zone Labs Inc. - C:\WINDOWS\system32\ZoneLabs\vsmon.exe
O23 - Service: Cliché instantané de volume - Unknown - C:\WINDOWS\System32\vssvc.exe
O23 - Service: WAN Miniport (ATW) Service - America Online, Inc. - C:\WINDOWS\wanmpsvc.exe
O23 - Service: Carte de performance WMI - Unknown - C:\WINDOWS\system32\wbem\wmiapsrv.exe