Problème About:blank

Depuis hier me voila avec spyware/trojan( ??) il me change ma page d'acceuil par about:blank , popup pour probleme de spyware , mais biensur ..
fin voila le log HijackThis , jai deja fait touner spyware s&d et ad-aware :
Logfile of HijackThis v1.99.1
Scan saved at 10:52:58, on 30/08/2005
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\WINDOWS\System32\rundll32.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\Program Files\Logitech\MouseWare\system\em_exec.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Documents and Settings\jojo\Bureau\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = res://C:\DOCUME~1\jojo\LOCALS~1\Temp\se.dll/space.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = about:blank
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = res://C:\DOCUME~1\jojo\LOCALS~1\Temp\se.dll/space.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = about:blank
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = about:blank
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = about:blank
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,HomeOldSP = about:blank
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,HomeOldSP = about:blank
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: (no name) - {B6DF9C63-78B8-432F-97E4-FE7C2BEA6461} - C:\WINDOWS\System32\mgnp.dll
O4 - HKLM\..\Run: [SERV PacK2] r34r.exe
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [WindowsUpdate] C:\WINDOWS\System32\vxgame6.exe /s
O4 - HKLM\..\Run: [Logitech Utility] Logi_MwX.Exe
O4 - HKLM\..\Run: [outpostupdate] C:\WINDOWS\System32\outpostupdate.exe
O4 - HKLM\..\Run: [sp] rundll32 C:\DOCUME~1\jojo\LOCALS~1\Temp\se.dll,DllInstall
O4 - HKLM\..\Run: [KAVPersonal50] "C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\kav.exe" /minimize
O4 - HKLM\..\RunServices: [SERV PacK2] r34r.exe
O4 - HKLM\..\RunServices: [outpostupdate] C:\WINDOWS\System32\outpostupdate.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [Windows installer] C:\winstall.exe
O4 - HKCU\..\Run: [outpostupdate] C:\WINDOWS\System32\outpostupdate.exe
O4 - HKCU\..\Run: [LDM] C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BackWeb-8876480.exe
O4 - Global Startup: Logitech Desktop Messenger.lnk = C:\Program Files\Logitech\Desktop Messenger\8876480\Program\LDMConf.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O18 - Filter: text/html - {42969448-3DC5-4682-9501-F8C5D5EF72B6} - C:\WINDOWS\System32\mgnp.dll
O18 - Filter: text/plain - {42969448-3DC5-4682-9501-F8C5D5EF72B6} - C:\WINDOWS\System32\mgnp.dll
O21 - SSODL: DCOM Server - {2C1CD3D7-86AC-4068-93BC-A02304BB8C34} - C:\WINDOWS\System32\dcom_9.dll
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: kavsvc - Kaspersky Lab - C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\kavsvc.exe
O23 - Service: svchost.exe (moto) - Unknown owner - C:\WINDOWS\svchost.exe (file missing)

Merci d'avance :-D