Pc lent

Bonjour,

depuis quelque temps mon pc est devenu très très lent je voudrais savoir si j'ai des virus ou pas comment il faudrait que je procède? sachant que j'ai avira anti virus et asquared free qui n'ont rien trouvé.

j'ai aussi le rapport hijackthis que voici :

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 01:18:09, on 07/09/2009
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal

Running processes:
E:\WINDOWS\System32\smss.exe
E:\WINDOWS\system32\winlogon.exe
E:\WINDOWS\system32\services.exe
E:\WINDOWS\system32\lsass.exe
E:\WINDOWS\system32\nvsvc32.exe
E:\WINDOWS\system32\svchost.exe
E:\WINDOWS\System32\svchost.exe
E:\Program Files\TGTSoft\StyleXP\StyleXPService.exe
E:\Program Files\Lavasoft\Ad-Aware\AAWService.exe
E:\WINDOWS\system32\spoolsv.exe
E:\Program Files\Avira\AntiVir Desktop\sched.exe
E:\Program Files\a-squared Free\a2service.exe
E:\Program Files\Avira\AntiVir Desktop\avguard.exe
E:\Program Files\Fichiers communs\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
E:\Program Files\AskBarDis\bar\bin\AskService.exe
E:\Program Files\AskBarDis\bar\bin\ASKUpgrade.exe
E:\Program Files\Bonjour\mDNSResponder.exe
E:\Program Files\CDBurnerXP\NMSAccessU.exe
E:\WINDOWS\system32\oodag.exe
E:\WINDOWS\system32\PnkBstrA.exe
E:\Program Files\Microsoft\Search Enhancement Pack\SeaPort\SeaPort.exe
E:\Program Files\Alcohol Soft\Alcohol 120\StarWind\StarWindServiceAE.exe
E:\WINDOWS\system32\svchost.exe
E:\Program Files\TomTom HOME 2\TomTomHOMEService.exe
E:\WINDOWS\Explorer.EXE
E:\Program Files\Unlocker\UnlockerAssistant.exe
E:\Program Files\Lavasoft\Ad-Aware\AAWTray.exe
E:\Program Files\Avira\AntiVir Desktop\avgnt.exe
E:\WINDOWS\system32\RUNDLL32.EXE
E:\WINDOWS\system32\ctfmon.exe
E:\Program Files\TaskSwitchXP\TaskSwitchXP.exe
E:\Program Files\Stardock\CursorFX\CursorFX.exe
E:\Program Files\Vista Start Menu\VistaStartMenu.exe
E:\Program Files\Windows Live\Messenger\MsnMsgr.Exe
E:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
E:\Program Files\Microsoft ActiveSync\wcescomm.exe
E:\PROGRA~1\Microsoft ActiveSync\rapimgr.exe
E:\Program Files\NETGEAR GA511 Adapter\GA511.exe
E:\WINDOWS\system32\taskmgr.exe
E:\Program Files\Mozilla Firefox\firefox.exe
E:\WINDOWS\system32\wscntfy.exe
E:\Program Files\Malwarebytes' Anti-Malware\mbam.exe
E:\Documents and Settings\pro\Bureau\HiJackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.fr/?gws_rd=ssl
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Yahoo! Toolbar avec bloqueur de fenêtres pop-up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
O2 - BHO: G DATA WebFilter Class - {0124123D-61B4-456f-AF86-78C53A0790C5} - (no file)
O2 - BHO: Thunder AtOnce - {01443AEC-0FD1-40fd-9C87-E93D1494C233} - D:\Program Files\Thunder Network\Thunder\ComDlls\TDAtOnce_Now.dll
O2 - BHO: Aide pour le lien d'Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - E:\Program Files\Fichiers communs\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: ContributeBHO Class - {074C1DC5-9320-4A9A-947D-C042949C6216} - D:\Program Files\Adobe\/Adobe Contribute CS3/contributeieplugin.dll
O2 - BHO: AskBar BHO - {201f27d4-3704-41d6-89c1-aa35e39143ed} - E:\Program Files\AskBarDis\bar\bin\askBar.dll
O2 - BHO: Winamp Toolbar Loader - {25CEE8EC-5730-41bc-8B58-22DDC8AB8C20} - E:\Program Files\Winamp Toolbar\winamptb.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - E:\PROGRA~1\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: EoRezoBHO - {64F56FC1-1272-44CD-BA6E-39723696E350} - (no file)
O2 - BHO: Search Helper - {6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - E:\Program Files\Microsoft\Search Enhancement Pack\Search Helper\SearchHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - E:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - E:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Windows Live Toolbar Helper - {E15A8DC0-8516-42A1-81EA-DC94EC1ACF10} - E:\Program Files\Windows Live\Toolbar\wltcore.dll
O3 - Toolbar: SYSTRAN Toolbar - {95daa571-4def-4a6d-97d8-98a346672a24} - mscoree.dll (file missing)
O3 - Toolbar: Contribute Toolbar - {517BDDE4-E3A7-4570-B21E-2B52B6139FC7} - D:\Program Files\Adobe\/Adobe Contribute CS3/contributeieplugin.dll
O3 - Toolbar: (no name) - {0124123D-61B4-456f-AF86-78C53A0790C5} - (no file)
O3 - Toolbar: Ask Toolbar - {3041d03e-fd4b-44e0-b742-2d9b88305f98} - E:\Program Files\AskBarDis\bar\bin\askBar.dll
O3 - Toolbar: &Windows Live Toolbar - {21FA44EF-376D-4D53-9B0F-8A89D3229068} - E:\Program Files\Windows Live\Toolbar\wltcore.dll
O3 - Toolbar: Winamp Toolbar - {EBF2BA02-9094-4c5a-858B-BB198F3D8DE2} - E:\Program Files\Winamp Toolbar\winamptb.dll
O4 - HKLM\..\Run: [UnlockerAssistant] "E:\Program Files\Unlocker\UnlockerAssistant.exe"
O4 - HKLM\..\Run: [Ad-Watch] E:\Program Files\Lavasoft\Ad-Aware\AAWTray.exe
O4 - HKLM\..\Run: [avgnt] "E:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [ZoneAlarm Client] "E:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE E:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE E:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\RunOnce: [Malwarebytes' Anti-Malware] E:\Program Files\Malwarebytes' Anti-Malware\mbamgui.exe /install /silent
O4 - HKCU\..\Run: [ctfmon.exe] E:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [TaskSwitchXP] E:\Program Files\TaskSwitchXP\TaskSwitchXP.exe
O4 - HKCU\..\Run: [CursorFX] "E:\Program Files\Stardock\CursorFX\CursorFX.exe"
O4 - HKCU\..\Run: [VistaStartMenu] "E:\Program Files\Vista Start Menu\VistaStartMenu.exe"
O4 - HKCU\..\Run: [STYLEXP] E:\Program Files\TGTSoft\StyleXP\StyleXP.exe -Hide
O4 - HKCU\..\Run: [MsnMsgr] "E:\Program Files\Windows Live\Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [SpybotSD TeaTimer] E:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\Run: [H/PC Connection Agent] "E:\Program Files\Microsoft ActiveSync\wcescomm.exe"
O4 - Global Startup: GA511 Smart Wizard Utility.lnk = ?
O8 - Extra context menu item: &Winamp Search - E:\Documents and Settings\All Users\Application Data\Winamp Toolbar\ieToolbar\resources\en-US\local\search.html
O8 - Extra context menu item: Add to Windows &Live Favorites - https://onedrive.live.com/?id=favorites
O8 - Extra context menu item: Consulter les dictionnaires (SYSTRAN) - res://E:\Program Files\SYSTRAN\6\\GUIres.dll/lookup.js
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://E:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O8 - Extra context menu item: Traduire (SYSTRAN) - res://E:\Program Files\SYSTRAN\6\\GUIres.dll/translate.js
O8 - Extra context menu item: ʹÓÃѸÀ×ÏÂÔØ - D:\Program Files\Thunder Network\Thunder\Program\geturl.htm
O8 - Extra context menu item: ʹÓÃѸÀ×ÏÂÔØÈ«²¿Á´½Ó - D:\Program Files\Thunder Network\Thunder\Program\getallurl.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - E:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - E:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra button: Æô¶¯Ñ¸À×5 - {09BA8F6D-CB54-424B-839C-C2A6C8E6B436} - D:\Program Files\Thunder Network\Thunder\Thunder.exe
O9 - Extra 'Tools' menuitem: Æô¶¯Ñ¸À×5 - {09BA8F6D-CB54-424B-839C-C2A6C8E6B436} - D:\Program Files\Thunder Network\Thunder\Thunder.exe
O9 - Extra button: Ajout Direct - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - E:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: &Ajout Direct dans Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - E:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Create Mobile Favorite - {2EAF5BB1-070F-11D3-9307-00C04FAE2D4F} - E:\PROGRA~1\Microsoft ActiveSync\INetRepl.dll
O9 - Extra button: (no name) - {2EAF5BB2-070F-11D3-9307-00C04FAE2D4F} - E:\PROGRA~1\Microsoft ActiveSync\INetRepl.dll
O9 - Extra 'Tools' menuitem: Créer un Favori de l'appareil mobile... - {2EAF5BB2-070F-11D3-9307-00C04FAE2D4F} - E:\PROGRA~1\Microsoft ActiveSync\INetRepl.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - E:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - E:\PROGRA~1\Spybot - Search & Destroy\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - E:\PROGRA~1\Spybot - Search & Destroy\SDHelper.dll
O10 - Unknown file in Winsock LSP: e:\windows\system32\nwprovau.dll
O14 - IERESET.INF: START_PAGE_URL=http://www.files-ftp.com/~unicorni/phpBB2/index.php
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} -
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://gfx1.hotmail.com/mail/w3/resources/MSNPUpld.cab
O16 - DPF: {5D6F45B3-9043-443D-A792-115447494D24} (UnoCtrl Class) - http://messenger.zone.msn.com/NL-BE/a-UNO1/GAME_UNO1.cab
O16 - DPF: {867E13F2-7F31-44FB-AC97-CD38E0DC46EF} (HardwareDetection Control) - https://www.touslesdrivers.com/index.php?v_page=29
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - E:\PROGRA~1\FICHIE~1\Skype\Skype4COM.dll
O23 - Service: a-squared Free Service (a2free) - Emsi Software GmbH - E:\Program Files\a-squared Free\a2service.exe
O23 - Service: Adobe Version Cue CS3 {fr_FR} (Adobe Version Cue CS3) - Adobe Systems Incorporated - E:\Program Files\Fichiers communs\Adobe\Adobe Version Cue CS3\Server\bin\VersionCueCS3.exe
O23 - Service: Avira AntiVir Planificateur (AntiVirSchedulerService) - Avira GmbH - E:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - E:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Apple Mobile Device - Apple Inc. - E:\Program Files\Fichiers communs\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: ASKService - Unknown owner - E:\Program Files\AskBarDis\bar\bin\AskService.exe
O23 - Service: ASKUpgrade - Unknown owner - E:\Program Files\AskBarDis\bar\bin\ASKUpgrade.exe
O23 - Service: Service Bonjour (Bonjour Service) - Apple Inc. - E:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: FLEXnet Licensing Service - Macrovision Europe Ltd. - E:\Program Files\Fichiers communs\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: Google Update Service (gupdate) (gupdate) - Google Inc. - E:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - E:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Service de l’iPod (iPod Service) - Apple Inc. - E:\Program Files\iPod\bin\iPodService.exe
O23 - Service: Lavasoft Ad-Aware Service - Lavasoft - E:\Program Files\Lavasoft\Ad-Aware\AAWService.exe
O23 - Service: Ma-Config Service (maconfservice) - CybelSoft - E:\Program Files\ma-config.com\maconfservice.exe
O23 - Service: NBService - Nero AG - E:\Program Files\Nero\Nero 7\Nero BackItUp\NBService.exe
O23 - Service: NMIndexingService - Nero AG - E:\Program Files\Fichiers communs\Ahead\Lib\NMIndexingService.exe
O23 - Service: NMSAccessU - Unknown owner - E:\Program Files\CDBurnerXP\NMSAccessU.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - E:\WINDOWS\system32\nvsvc32.exe
O23 - Service: O&O Defrag - O&O Software GmbH - E:\WINDOWS\system32\oodag.exe
O23 - Service: PnkBstrA - Unknown owner - E:\WINDOWS\system32\PnkBstrA.exe
O23 - Service: StarWind AE Service (StarWindServiceAE) - Rocket Division Software - E:\Program Files\Alcohol Soft\Alcohol 120\StarWind\StarWindServiceAE.exe
O23 - Service: StyleXPService - Unknown owner - E:\Program Files\TGTSoft\StyleXP\StyleXPService.exe
O23 - Service: TomTomHOMEService - TomTom - E:\Program Files\TomTom HOME 2\TomTomHOMEService.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Check Point Software Technologies LTD - E:\WINDOWS\system32\ZoneLabs\vsmon.exe

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End of file - 12571 bytes

Configuration: Windows XP
Firefox 3.5.2