Savoire si je suis infecter

Bonjour, je voudrais savoire si je suis infecter car j'ai des message d'erreur qui s'afiche et aussi des pub qui revienne souvent plus mon anti-virus ne se met plus a jour automatiquement et mon ordi ram voila un log

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 16:43:20, on 27/06/2009
Platform: Windows Vista SP1 (WinNT 6.00.1905)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

Running processes:
C:\Windows\System32\smss.exe
C:\Windows\system32\csrss.exe
C:\Windows\system32\wininit.exe
C:\Windows\system32\csrss.exe
C:\Windows\system32\services.exe
C:\Windows\system32\lsass.exe
C:\Windows\system32\lsm.exe
C:\Windows\system32\winlogon.exe
C:\Windows\system32\svchost.exe
C:\Windows\Microsoft.Net\Framework\v3.0\WPF\PresentationFontCache.exe
C:\Windows\system32\svchost.exe
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\SLsvc.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
C:\Windows\System32\spoolsv.exe
C:\Windows\system32\svchost.exe
E:\Program Files\a-squared Anti-Malware\a2service.exe
C:\Windows\system32\svchost.exe
C:\Program Files\Norton 360\Engine\3.0.0.134\ccSvcHst.exe
C:\Windows\system32\svchost.exe
C:\Program Files\TOSHIBA\TOSHIBA DVD PLAYER\TNaviSrv.exe
C:\Windows\system32\TODDSrv.exe
C:\Program Files\TOSHIBA\Power Saver\TosCoSrv.exe
C:\Program Files\TOSHIBA\SMARTLogService\TosIPCSrv.exe
C:\Program Files\Common Files\Ulead Systems\DVD\ULCDRSvr.exe
C:\Windows\System32\svchost.exe
C:\Windows\system32\DRIVERS\xaudio.exe
C:\Program Files\Norton 360\Engine\3.0.0.134\ccSvcHst.exe
C:\Windows\system32\taskeng.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Windows\system32\taskeng.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Windows\System32\hkcmd.exe
C:\Windows\System32\igfxpers.exe
C:\Windows\system32\igfxsrvc.exe
C:\Windows\RtHDVCpl.exe
C:\Windows\System32\wpcumi.exe
E:\Program Files\Spamihilator\spamihilator.exe
E:\Program Files\a-squared Anti-Malware\a2guard.exe
C:\Program Files\TOSHIBA\TOSCDSPD\TOSCDSPD.exe
C:\Program Files\RocketDock\RocketDock.exe
C:\Windows\ehome\ehtray.exe
E:\Program Files\SUPERAntiSpyware\SUPERAntiSpyware.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Windows\ehome\ehmsas.exe
C:\Program Files\TOSHIBA\FlashCards\TCrdMain.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
E:\Program Files\Glary Utilities\Integrator.exe
C:\Windows\system32\taskeng.exe
C:\Program Files\Synaptics\SynTP\SynTPHelper.exe
C:\Windows\system32\igfxext.exe
C:\Windows\system32\taskeng.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\7-Zip\7zFM.exe
C:\Utilisateurs\serra\Desktop\HijackThis.exe
C:\Windows\system32\wbem\wmiprvse.exe

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-fr/?ocid=iehp
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.msn.com/fr-fr/?ocid=iehp
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Symantec NCO BHO - {602ADB0E-4AFF-4217-8AA1-95DAC4DFA408} - C:\Program Files\Norton 360\Engine\3.0.0.134\coIEPlg.dll
O2 - BHO: Symantec Intrusion Prevention - {6D53EC84-6AAE-4787-AEEE-F4628F01010C} - C:\Program Files\Norton 360\Engine\3.0.0.134\IPSBHO.DLL
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: WOT Helper - {C920E44A-7F78-4E64-BDD7-A57026E7FEB7} - C:\Program Files\WOT\WOT.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O3 - Toolbar: Norton Toolbar - {7FEBEFE3-6B19-4349-98D2-FFB09D4B49CA} - C:\Program Files\Norton 360\Engine\3.0.0.134\coIEPlg.dll
O3 - Toolbar: WOT - {71576546-354D-41c9-AAE8-31F2EC22BF0D} - C:\Program Files\WOT\WOT.dll
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [IgfxTray] C:\Windows\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\Windows\system32\hkcmd.exe
O4 - HKLM\..\Run: [Persistence] C:\Windows\system32\igfxpers.exe
O4 - HKLM\..\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKLM\..\Run: [00TCrdMain] %ProgramFiles%\TOSHIBA\FlashCards\TCrdMain.exe
O4 - HKLM\..\Run: [WPCUMI] C:\Windows\system32\WpcUmi.exe
O4 - HKLM\..\Run: [Spamihilator] "E:\Program Files\Spamihilator\spamihilator.exe"
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [a-squared] "E:\PROGRAM FILES\A-SQUARED ANTI-MALWARE\a2guard.exe" /d=60
O4 - HKCU\..\Run: [TOSCDSPD] C:\Program Files\TOSHIBA\TOSCDSPD\TOSCDSPD.exe
O4 - HKCU\..\Run: [RocketDock] "C:\Program Files\RocketDock\RocketDock.exe"
O4 - HKCU\..\Run: [ehTray.exe] C:\Windows\ehome\ehTray.exe
O4 - HKCU\..\Run: [SUPERAntiSpyware] E:\Program Files\SUPERAntiSpyware\SUPERAntiSpyware.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - Global Startup: Redémarrer les cartes Flash.lnk = C:\Program Files\TOSHIBA\FlashCards\TfcRst.exe
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - C:\Windows\bdoscandel.exe
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - C:\Windows\bdoscandel.exe
O10 - Unknown file in Winsock LSP: c:\windows\system32\wpclsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\wpclsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\wpclsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\wpclsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\wpclsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\wpclsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\wpclsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\wpclsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\wpclsp.dll
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://www.bitdefender.fr/scan_fr/scan8/oscan8.cab
O16 - DPF: {7530BFB8-7293-4D34-9923-61A11451AFC5} - http://download.eset.com/special/eos/OnlineScanner.cab
O18 - Protocol: symres - {AA1061FE-6C41-421F-9344-69640C9732AB} - C:\Program Files\Norton 360\Engine\3.0.0.134\coIEPlg.dll
O18 - Protocol: wot - {C2A44D6B-CB9F-4663-88A6-DF2F26E4D952} - C:\Program Files\WOT\WOT.dll
O20 - Winlogon Notify: !SASWinLogon - E:\Program Files\SUPERAntiSpyware\SASWINLO.dll
O23 - Service: a-squared Anti-Malware Service (a2AntiMalware) - Emsi Software GmbH - E:\Program Files\a-squared Anti-Malware\a2service.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Norton 360 (N360) - Symantec Corporation - C:\Program Files\Norton 360\Engine\3.0.0.134\ccSvcHst.exe
O23 - Service: TOSHIBA Navi Support Service (TNaviSrv) - TOSHIBA Corporation - C:\Program Files\TOSHIBA\TOSHIBA DVD PLAYER\TNaviSrv.exe
O23 - Service: TOSHIBA Optical Disc Drive Service (TODDSrv) - TOSHIBA Corporation - C:\Windows\system32\TODDSrv.exe
O23 - Service: TOSHIBA Power Saver (TosCoSrv) - TOSHIBA Corporation - C:\Program Files\TOSHIBA\Power Saver\TosCoSrv.exe
O23 - Service: TOSHIBA SMART Log Service - TOSHIBA Corporation - C:\Program Files\TOSHIBA\SMARTLogService\TosIPCSrv.exe
O23 - Service: Ulead Burning Helper (UleadBurningHelper) - Ulead Systems, Inc. - C:\Program Files\Common Files\Ulead Systems\DVD\ULCDRSvr.exe
O23 - Service: XAudioService - Conexant Systems, Inc. - C:\Windows\system32\DRIVERS\xaudio.exe