Antivirus impossible a installer

Bonjour,

voila apres trops de tentative je suis dans l'impasse, je n'arrive plus a installer n'importe quel antivirus.

apres avoir decouvert et neutralisé bagle avec le scan en ligne de bit defender puis apres une verification avec ad aware , puis apres un autre scan en ligne , bit defender et kapersky ( tout deux ne detecte de menace maintenant), il n'y atoujours pas moyen d'installé quoi que ce soit, l'installation d'avast est meme imcomplete.

voici mon log hijackthis , je suis pas fort en informatique , et remercie d'avance pour votre aide





Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 19:54:39, on 05/12/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16544)
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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Fichiers communs\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\oodag.exe
C:\Program Files\TRENDnet\TEW-424UB\SiSWLSvc.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Program Files\Winamp\winampa.exe
C:\Program Files\Java\jre1.6.0_03\bin\jusched.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\Program Files\DAEMON Tools\daemon.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\TRENDnet\TEW-424UB\TRENDnet.exe
C:\WINDOWS\BricoPacks\Vista Inspirat 2\RocketDock\RocketDock.exe
C:\Program Files\OpenOffice.org 2.3\program\soffice.exe
C:\WINDOWS\BricoPacks\Vista Inspirat 2\UberIcon\UberIcon Manager.exe
C:\WINDOWS\BricoPacks\Vista Inspirat 2\YzShadow\YzShadow.exe
C:\Program Files\Yahoo!\Widgets\YahooWidgetEngine.exe
C:\Program Files\OpenOffice.org 2.3\program\soffice.BIN
C:\Program Files\iPod\bin\iPodService.exe
C:\Program Files\Yahoo!\Widgets\YahooWidgetEngine.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.fr/?gws_rd=ssl
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.01net.com/telecharger/
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.01net.com/telecharger/
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://www.update.microsoft.com/windowsupdate/v6/default.aspx
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: Aide pour le lien d'Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Fichiers communs\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: Winamp Toolbar BHO - {25CEE8EC-5730-41bc-8B58-22DDC8AB8C20} - C:\Program Files\Winamp Toolbar\winamptb.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: SnapToolbarHelper Class - {8600AC1E-BE58-4FFC-BD5D-F2A8EC38C838} - C:\Program Files\Snap Visual Search\snapbar.dll
O3 - Toolbar: Winamp Toolbar - {EBF2BA02-9094-4c5a-858B-BB198F3D8DE2} - C:\Program Files\Winamp Toolbar\winamptb.dll
O3 - Toolbar: Snap Visual Search - {EF56413F-9398-4DF5-BC88-6FC3B227D5C5} - C:\Program Files\Snap Visual Search\snapbar.dll
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [SW20] C:\WINDOWS\system32\sw20.exe
O4 - HKLM\..\Run: [SW24] C:\WINDOWS\system32\sw24.exe
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [WinampAgent] "C:\Program Files\Winamp\winampa.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_03\bin\jusched.exe"
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [DAEMON Tools] "C:\Program Files\DAEMON Tools\daemon.exe" -lang 1033
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O4 - Startup: OpenOffice.org 2.3.lnk = C:\Program Files\OpenOffice.org 2.3\program\quickstart.exe
O4 - Startup: RocketDock.lnk = C:\WINDOWS\BricoPacks\Vista Inspirat 2\RocketDock\RocketDock.exe
O4 - Startup: TransBar.lnk = C:\WINDOWS\BricoPacks\Vista Inspirat 2\TransBar\TransBar.exe
O4 - Startup: UberIcon.lnk = C:\WINDOWS\BricoPacks\Vista Inspirat 2\UberIcon\UberIcon Manager.exe
O4 - Startup: Y'z Shadow.lnk = C:\WINDOWS\BricoPacks\Vista Inspirat 2\YzShadow\YzShadow.exe
O4 - Startup: Yahoo! Widget Engine.lnk = C:\Program Files\Yahoo!\Widgets\YahooWidgetEngine.exe
O4 - Global Startup: Wireless Configuration Utility HW.32.lnk = ?
O8 - Extra context menu item: &Winamp Toolbar Search - C:\Documents and Settings\All Users\Application Data\Winamp Toolbar\ieToolbar\resources\en-US\local\search.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
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: {0EB0E74A-2A76-4AB3-A7FB-9BD8C29F7F75} (CKAVWebScan Object) - https://www.kaspersky.fr/?domain=webscanner.kaspersky.fr
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (Installation Support) - C:\Program Files\Yahoo!\Common\Yinsthelper.dll
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O23 - Service: Apple Mobile Device - Apple, Inc. - C:\Program Files\Fichiers communs\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe (file missing)
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: Service de l'iPod (iPod Service) - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: O&O Defrag - O&O Software GmbH - C:\WINDOWS\system32\oodag.exe
O23 - Service: SiS WirelessLan Service (SiSWLSvc) - Unknown owner - C:\Program Files\TRENDnet\TEW-424UB\SiSWLSvc.exe