Probleme trojan win32:BHO-KD

Bonjour a tous mon amie a chopé une saloperie que nous n arrivons pas a virer: win32:BHO-KD ( windows XP)on a essayé avast Ccleaner mais sans aucun résultat. avec hitjack6 sa donne:
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 19:38:21, on 14/01/2008
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:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\WINDOWS\system32\igfxtray.exe
C:\WINDOWS\system32\hkcmd.exe
C:\Program Files\Alwil Software\Avast4\ashDisp.exe
C:\PROGRA~1\BillP Studios\WinPatrol\winpatrol.exe
C:\WINDOWS\system32\brsvc01a.exe
C:\WINDOWS\system32\brss01a.exe
C:\Program Files\Brother\ControlCenter2\brctrcen.exe
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\Sony\SonicStage\SsAAD.exe
C:\Program Files\OpenOffice.org 2.2\program\soffice.exe
C:\Program Files\OpenOffice.org 2.2\program\soffice.BIN
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\wdfmgr.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\System32\alg.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Program Files\Java\jre1.6.0\bin\jucheck.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\explorer.exe
C:\Program Files\Outlook Express\msimn.exe
C:\Program Files\WinRAR\WinRAR.exe
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\Rar$EX00.203\HijackThis.exe
C:\WINDOWS\system32\wbem\wmiprvse.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = https://www.google.fr/?gws_rd=ssl
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.orange.fr/portail
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: Yahoo! Toolbar avec bloqueur de fenêtres pop-up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\system32\msdxm.ocx
O3 - Toolbar: Yahoo! Toolbar avec bloqueur de fenêtres pop-up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [SynTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
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: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0\bin\jusched.exe"
O4 - HKLM\..\Run: [avast!] "C:\Program Files\Alwil Software\Avast4\ashDisp.exe"
O4 - HKLM\..\Run: [WinPatrol] C:\PROGRA~1\BillP Studios\WinPatrol\winpatrol.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [SSBkgdUpdate] "C:\Program Files\Fichiers communs\Scansoft Shared\SSBkgdUpdate\SSBkgdupdate.exe" -Embedding -boot
O4 - HKLM\..\Run: [IndexSearch] C:\Program Files\ScanSoft\PaperPort\IndexSearch.exe
O4 - HKLM\..\Run: [SetDefPrt] C:\Program Files\Brother\Brmfl04a\BrStDvPt.exe
O4 - HKLM\..\Run: [ControlCenter2.0] C:\Program Files\Brother\ControlCenter2\brctrcen.exe /autorun
O4 - HKLM\..\Run: [SsAAD.exe] C:\PROGRA~1\Sony\SonicStage\SsAAD.exe
O4 - HKLM\..\Run: [9c590f46] rundll32.exe "C:\WINDOWS\system32\cobihklk.dll",b
O4 - Startup: Adobe Gamma.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Startup: OpenOffice.org 2.2.lnk = C:\Program Files\OpenOffice.org 2.2\program\quickstart.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0\bin\ssv.dll
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Program Files\Yahoo!\Common\yinsthelper.dll
O17 - HKLM\System\CCS\Services\Tcpip\..\{973D7BA2-F911-415B-A17F-A3C61719174D}: NameServer = 192.168.1.1
O17 - HKLM\System\CCS\Services\Tcpip\..\{F9052DE9-75D3-47B2-B1FD-E8271BFE317B}: NameServer = 192.168.1.1
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FICHIE~1\Skype\Skype4COM.dll
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Fichiers communs\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: BrSplService (Brother XP spl Service) - brother Industries Ltd - C:\WINDOWS\system32\brsvc01a.exe
O23 - Service: MSCSPTISRV - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\MSCSPTISRV.exe
O23 - Service: PACSPTISVR - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\PACSPTISVR.exe
O23 - Service: Sony SPTI Service (SPTISRV) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\SPTISRV.exe
O23 - Service: SonicStage SCSI Service (SSScsiSV) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\SSScsiSV.exe
O23 - Service: TuneUp WinStyler Theme Service (TUWinStylerThemeSvc) - TuneUp Software GmbH - C:\Program Files\TuneUp Utilities 2006\WinStylerThemeSvc.exe