ANALYSE HIJACK MERCI BCP

bonjour tout le monde !!!

je viens sur ccm pour que les pros que vous etes puissiez m'aidez ! alors en faite mon ordi a est vraiment encombrer par tout un tas de débris, residus, fichiers inutilisables, reste de trojans et virus, reste de logiciels desinstaller... etc !! (jvous laisse imaginer l'état de mon ordinateur...) ma question est donc la suivante:

***pouvez vous me conseiller un logiciel (gratuit si possible) qui puisse remedier a mon probleme ??
***pouvez vous analyser mon log hijack this ? merci !

encore merci !

Logfile of HijackThis v1.99.1
Scan saved at 12:23:48, on 20/05/2006
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)

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\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\System32\CTsvcCDA.exe
C:\Program Files\Executive Software\DiskeeperWorkstation\DKService.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\SYSTEM32\ZONELABS\vsmon.exe
C:\WINDOWS\System32\MsPMSPSv.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\karim\ZoneAlarm\ZoneAlarm\zlclient.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Documents and Settings\sabrina\Bureau\Nouveau dossier (2)\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.fr/?gws_rd=ssl
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\karim\SPYBOT~1\SDHelper.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [Openwares LiveUpdate] C:\Program Files\LiveUpdate\LiveUpdate.exe
O4 - HKLM\..\Run: [SpyCatcher Reminder] "C:\karim\SpyCatcher 2006\SpyCatcher.exe" reminder
O4 - HKLM\..\Run: [Zone Labs Client] C:\karim\ZoneAlarm\ZoneAlarm\zlclient.exe
O4 - Global Startup: SpyCatcher Protector.lnk = C:\karim\SpyCatcher 2006\Protector.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: Easy-WebPrint Ajouter à la liste d'impressions - res://C:\Program Files\Canon\Easy-WebPrint\Resource.dll/RC_AddToList.html
O8 - Extra context menu item: Easy-WebPrint Impression rapide - res://C:\Program Files\Canon\Easy-WebPrint\Resource.dll/RC_HSPrint.html
O8 - Extra context menu item: Easy-WebPrint Imprimer - res://C:\Program Files\Canon\Easy-WebPrint\Resource.dll/RC_Print.html
O8 - Extra context menu item: Easy-WebPrint Prévisualiser - res://C:\Program Files\Canon\Easy-WebPrint\Resource.dll/RC_Preview.html
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra button: Wanadoo - {1462651F-F4BA-4C76-A001-C4284D0FE16E} - www.wanadoo.fr (file missing) (HKCU)
O16 - DPF: {0EB0E74A-2A76-4AB3-A7FB-9BD8C29F7F75} (CKAVWebScan Object) - http://www.kaspersky.com/kos/english/kavwebscan_unicode.cab
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} - http://download.bitdefender.com/resources/scan8/oscan8.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{2A8FAC4D-E9F0-408B-90AE-476BD8306011}: NameServer = 80.10.246.130 80.10.246.3
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - AppInit_DLLs: interceptor.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\System32\CTsvcCDA.exe
O23 - Service: Diskeeper - Executive Software International, Inc. - C:\Program Files\Executive Software\DiskeeperWorkstation\DKService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: LicCtrl Service (LicCtrlService) - Unknown owner - rundll32.exe (file missing)
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\SYSTEM32\ZONELABS\vsmon.exe