Bonjour, depuis quelques temps ma connection et mon pc se dégrade, je voudrais savoir s'il y a quelques choses à faire svp.

Merci d'avance.

Logfile of HijackThis v1.99.1
Scan saved at 14:55:24, on 18/06/2007
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:\Program Files\AntiVir PersonalEdition Classic\sched.exe
C:\Program Files\AntiVir PersonalEdition Classic\avguard.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\WINDOWS\system32\DRIVERS\CDANTSRV.EXE
C:\Program Files\Ahead\InCD\InCDsrv.exe
C:\Program Files\Canon\MultiPASS4\MPSERVIC.EXE
C:\Program Files\VeriSign\NAVI\naviagent.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\System32\PAStiSvc.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\AlienGUIse\wbload.exe
C:\WINDOWS\system32\WgaTray.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\ScanSoft\OmniPageSE\opware32.exe
C:\Program Files\Ahead\InCD\InCD.exe
C:\Program Files\Java\jre1.6.0_01\bin\jusched.exe
C:\Program Files\MessengerPlus! 3\MsgPlus.exe
C:\Program Files\AntiVir PersonalEdition Classic\avgnt.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Razer\Copperhead\razerhid.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\Microsoft Office\Office\OSA.EXE
C:\WINDOWS\BricoPacks\Vista Inspirat\YzToolbar\YzToolBar.exe
C:\Program Files\Razer\Copperhead\razertra.exe
C:\Program Files\Razer\Copperhead\razerofa.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\Program Files\Mozilla Firefox\firefox.exe
G:\MOHAA\Antivrus\scanner.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: i-Nav IDN SearchHook - {CE000994-A58C-4441-8938-744CD72AB27F} - C:\Program Files\VeriSign\i-Nav\i-nav_4_2_1.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {0EEDB912-C5FA-486F-8334-57288578C627} - (no file)
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_01\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: ST - {9394EDE7-C8B5-483E-8773-474BF36AF6E4} - C:\Program Files\MSN Apps\ST\01.03.0000.1005\en-xu\stmain.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar3.dll
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.5000.1021\fr\msntb.dll
O2 - BHO: i-Nav IDN Resolver - {CE000992-A58C-4441-8938-744CD72AB27F} - C:\Program Files\VeriSign\i-Nav\i-nav_4_2_1.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar3.dll
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.5000.1021\fr\msntb.dll
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [Omnipage] C:\Program Files\ScanSoft\OmniPageSE\opware32.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [InCD] C:\Program Files\Ahead\InCD\InCD.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [DmwClient] "dmwclient.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_01\bin\jusched.exe"
O4 - HKLM\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe"
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [BluetoothAuthenticationAgent] rundll32.exe bthprops.cpl,,BluetoothAuthenticationAgent
O4 - HKLM\..\Run: [razer] C:\Program Files\Razer\Copperhead\razerhid.exe
O4 - HKLM\..\Run: [Copperhead] C:\Program Files\Razer\Copperhead\razerhid.exe
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - Startup: Alienware Dock.lnk = C:\Program Files\AlienGUIse\AlienwareDock\ObjectDock.exe
O4 - Startup: Démarrage d'Office.lnk = C:\Program Files\Microsoft Office\Office\OSA.EXE
O4 - Startup: Microsoft Recherche accélérée.lnk = C:\Program Files\Microsoft Office\Office\FINDFAST.EXE
O4 - Startup: Y'z ToolBar.lnk = C:\WINDOWS\BricoPacks\Vista Inspirat\YzToolbar\YzToolBar.exe
O4 - Global Startup: Adobe Gamma Loader.exe.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_01\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_01\bin\ssv.dll
O9 - Extra button: (no name) - {CE000996-A58C-4441-8938-744CD72AB27F} - C:\Program Files\VeriSign\i-Nav\i-nav_4_2_1.dll
O9 - Extra 'Tools' menuitem: Options i-Nav - {CE000996-A58C-4441-8938-744CD72AB27F} - C:\Program Files\VeriSign\i-Nav\i-nav_4_2_1.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
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O16 - DPF: {14B87622-7E19-4EA8-93B3-97215F77A6BC} (MessengerStatsClient Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {1F831FA7-42FC-11D4-95A6-0080AD30DCE1} (InstaFred) - http://pointa.autodesk.com/portal/ [...] stFred.Ocx
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O16 - DPF: {70BA88C8-DAE8-4CE9-92BB-979C4A75F53B} (GSDACtl Class) - https://www.gamespyid.com/alaunch.cab
O16 - DPF: {737D14F8-4090-11D4-AE0E-0010830243BD} (SysVerChk Control) - http://pointa.autodesk.com/portal/ [...] VerChk.ocx
O16 - DPF: {78AF2F24-A9C3-11D3-BF8C-0060B0FCC122} (Contrôle d'AcDcToday) - file://C:\Program Files\AutoCAD 2002 Fra\AcDcToday.ocx
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O16 - DPF: {97E71027-0BA2-44F2-97DB-F84D808ED0B6} (MessengerStatsClient Class) - http://messenger.zone.msn.com/bina [...] b55762.cab
O16 - DPF: {AE563727-B4F5-11D4-A415-00108302FDFD} (NOXLATE-BANR) - http://pointa.autodesk.com/portal/ [...] stBanr.Ocx
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (MSN Games - Installer) - http://messenger.zone.msn.com/bina [...] b55579.cab
O16 - DPF: {C4925E65-7A1E-11D2-8BB4-00A0C9CC72C3} (Virtools WebPlayer Class) - http://a532.g.akamai.net/f/532/671 [...] taller.exe
O16 - DPF: {F281A59C-7B65-11D3-8617-0010830243BD} (Gestion d'AcPreview) - file://C:\Program Files\AutoCAD 2002 Fra\AcPreview.ocx
O16 - DPF: {F6BF0D00-0B2A-4A75-BF7B-F385591623AF} (Solitaire Showdown Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O20 - Winlogon Notify: WB - C:\Program Files\AlienGUIse\fastload.dll
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O23 - Service: AntiVir PersonalEdition Classic Scheduler (AntiVirScheduler) - Avira GmbH - C:\Program Files\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: AntiVir PersonalEdition Classic Guard (AntiVirService) - Avira GmbH - C:\Program Files\AntiVir PersonalEdition Classic\avguard.exe
O23 - Service: Ares Chatroom server (AresChatServer) - Ares Development Group - C:\Program Files\Ares\chatServer.exe
O23 - Service: AVG Anti-Spyware Guard - Anti-Malware Development a.s. - C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: C-DillaSrv - C-Dilla Ltd - C:\WINDOWS\system32\DRIVERS\CDANTSRV.EXE
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: InCD Helper (InCDsrv) - AHEAD Software - C:\Program Files\Ahead\InCD\InCDsrv.exe
O23 - Service: Service de l'iPod (iPod Service) - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: MpService - Canon Inc. - C:\Program Files\Canon\MultiPASS4\MPSERVIC.EXE
O23 - Service: VeriSign Updater (navi) - VeriSign, Inc. - C:\Program Files\VeriSign\NAVI\naviagent.exe
O23 - Service: Network DDE Client (NetDDEclnt) - Unknown owner - C:\WINDOWS\System32\navupdate64.exe (file missing)
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: SC Test Branding Service 1 - SC Test Branding 1 - C:\Program Files\Fichiers communs\SC Test Branding 1 Shared\Service\SCTestService1.exe
O23 - Service: STI Simulator - Unknown owner - C:\WINDOWS\System32\PAStiSvc.exe

Ok, merci quand même pour l'aide