Comment supprimer l'antivirus 2009

Bonjour,
je veux savoir comment se debarasser de l'antivirus 2009
j'ai telecharger le logiciel ' Hijackthis' avec qui j'ai l'analise suivante
merci de m'aider a suprimer l'antivirus
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 20:30:01, on 25/01/2009
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\csrss.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\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\vsnpstd.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\system32\BDAGENTS.EXE
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Documents and Settings\Administrateur\Application Data\cogad\cogad.exe
C:\Program Files\Menara\dslmon.exe
C:\WINDOWS\fxstaller.exe
C:\WINDOWS\system32\sysmgr.exe
C:\WINDOWS\System32\alg.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Skype\Phone\Skype.exe
C:\Program Files\Skype\Plugin Manager\skypePM.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
C:\WINDOWS\system32\wbem\wmiprvse.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.free2article.info
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.files-ftp.com/~unicorni/phpBB2/index.php
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.menara.ma
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Menara
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O3 - Toolbar: &Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar.dll
O4 - HKLM\..\Run: [snpstd] C:\WINDOWS\vsnpstd.exe
O4 - HKLM\..\Run: [Windows UDP Control Center] fxstaller.exe
O4 - HKLM\..\Run: [88e556a5] rundll32.exe "C:\WINDOWS\system32\gbruqnmw.dll",b
O4 - HKLM\..\Run: [Microsoft Update] BDAGENTS.EXE
O4 - HKLM\..\Run: [Microsoft(R) System Manager] C:\WINDOWS\system32\sysmgr.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [SoundMan] C:\WINDOWS\system32\SOUNDMAN.EXE
O4 - HKCU\..\Run: [cbvcs] C:\WINDOWS\system32\urretnd.exe
O4 - HKCU\..\Run: [cogad] "C:\Documents and Settings\Administrateur\Application Data\cogad\cogad.exe" 61A847B5BBF72810359A3E466188719AB689201522886B092CBD44BD8689220221DD3257
O4 - HKCU\..\Run: [46981318975922999393060937170235] C:\Program Files\AV9\av360.exe
O4 - HKCU\..\RunOnce: [Microsoft Update] BDAGENTS.EXE
O4 - Global Startup: DSLMON.lnk = C:\Program Files\Menara\dslmon.exe
O9 - Extra button: Skype - {77BF5300-1474-4EC7-9980-D32B190E9B07} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.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
O14 - IERESET.INF: START_PAGE_URL=http://www.files-ftp.com/~unicorni/phpBB2/index.php
O15 - Trusted Zone: www.yahoo.fr
O17 - HKLM\System\CCS\Services\Tcpip\..\{EF04EC39-0C61-4C83-A3AE-25B26C6240A9}: NameServer = 196.217.246.210 212.217.0.13
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FICHIE~1\Skype\SKYPE4~1.DLL
O23 - Service: Google Updater Service (gusvc) - Unknown owner - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe (file missing)
O24 - Desktop Component 0: (no name) - http://www.google.fr/url?sa=T\x26source\x3dweb