Virus ?

Bonsoir tout le monde, depuis quelque temps mon pc lague je pense avoir un virus qui traîne.
Voici mon rapport "Hijackthis" merci de bien vouloir m'aider.

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 17:58:22, on 30/03/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal

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\AntiVir PersonalEdition Classic\avguard.exe
C:\Program Files\AntiVir PersonalEdition Classic\sched.exe
C:\WINDOWS\system32\CTsvcCDA.EXE
C:\Program Files\Fichiers communs\Portrait Displays\Shared\DTSRVC.exe
C:\Program Files\Alcohol Soft\Alcohol 120\StarWind\StarWindServiceAE.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\ATI Technologies\ATI.ACE\cli.exe
C:\Program Files\AntiVir PersonalEdition Classic\avgnt.exe
C:\WINDOWS\system32\RunDll32.exe
C:\Program Files\Razer\Diamondback 3G\razerhid.exe
C:\Program Files\Logitech\GamePanel Software\LCD Manager\LCDMon.exe
C:\Program Files\Logitech\GamePanel Software\G-series Software\LGDCore.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\Logitech\GamePanel Software\LCD Manager\Applets\LCDClock.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Logitech\GamePanel Software\LCD Manager\Applets\LCDMedia.exe
C:\Program Files\Razer\Diamondback 3G\razertra.exe
C:\Program Files\Logitech\GamePanel Software\LCD Manager\Applets\LCDPop3.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\Razer\Diamondback 3G\razerofa.exe
C:\Program Files\ATI Technologies\ATI.ACE\CLI.exe
C:\Program Files\MSN Messenger\usnsvc.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\WINDOWS\system32\NOTEPAD.EXE
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Documents and Settings\Sanchez\Bureau\HiJackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://google.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: (no name) - {8126A4A5-BFD3-46FE-BBDF-BFB5CF78E489} - (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
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [ATICCC] "C:\Program Files\ATI Technologies\ATI.ACE\cli.exe" runtime
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [CTSysVol] C:\Program Files\Creative\SBLive 24-Bit External\Surround Mixer\CTSysVol.exe /r
O4 - HKLM\..\Run: [SbUsb AudCtrl] RunDll32 sbusbdll.dll,RCMonitor
O4 - HKLM\..\Run: [UpdReg] C:\WINDOWS\UpdReg.EXE
O4 - HKLM\..\Run: [Diamondback] C:\Program Files\Razer\Diamondback 3G\razerhid.exe
O4 - HKLM\..\Run: [Launch LCDMon] "C:\Program Files\Logitech\GamePanel Software\LCD Manager\LCDMon.exe"
O4 - HKLM\..\Run: [Launch LGDCore] "C:\Program Files\Logitech\GamePanel Software\G-series Software\LGDCore.exe" /SHOWHIDE
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKUS\S-1-5-18\..\Run: [] (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\Run: [ATICCC] "C:\Program Files\ATI Technologies\ATI.ACE\cli.exe" runtime (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [] (User 'Default user')
O4 - Startup: Adobe Gamma.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: ATI CATALYST System Tray.lnk = C:\Program Files\ATI Technologies\ATI.ACE\CLI.exe
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search && Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files\Spybot - Search & Destroy\SDHelper.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 .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537 [...] scan53.cab
O16 - DPF: {867E13F2-7F31-44FB-AC97-CD38E0DC46EF} (HardwareDetection Control) - http://www.touslesdrivers.com/fich [...] _0_4_6.cab
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FICHIE~1\Skype\SKYPE4~1.DLL
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Fichiers communs\Adobe Systems Shared\Service\Adobelmsvc.exe
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: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\system32\CTsvcCDA.EXE
O23 - Service: Portrait Displays Display Tune Service (DTSRVC) - Unknown owner - C:\Program Files\Fichiers communs\Portrait Displays\Shared\DTSRVC.exe
O23 - Service: StarWind AE Service (StarWindServiceAE) - Rocket Division Software - C:\Program Files\Alcohol Soft\Alcohol 120\StarWind\StarWindServiceAE.exe
O23 - Service: VNC Server Version 4 (WinVNC4) - RealVNC Ltd. - C:\Program Files\RealVNC\VNC4\WinVNC4.exe
O23 - Service: Windows Live Setup Service (WLSetupSvc) - Unknown owner - C:\Program Files\Windows Live\installer\WLSetupSvc.exe

--
End of file - 6585 bytes

Sur ceux bonne soirée.

Cordialement Flow3411.