Analyse de highjack

onjour a tous ,jai un souci avec ma connexion internet sur mon pc portable,des que je me connecte un message d éerreur apparait et me signale que c:\windows\system32\lsass.exe pose un probleme et ceci eteint mon pc . je joins un highjack ,sinon j ai analyser le pc avLogfile of HijackThis v1.99.1
Scan saved at 21:53:58, on 12/12/2005
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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
E:\ARNO\avast antivirus\aswUpdSv.exe
E:\ARNO\avast antivirus\ashServ.exe
C:\WINDOWS\System32\drivers\CDAC11BA.EXE
C:\WINDOWS\System32\HPConfig.exe
C:\PROGRA~1\Iomega\System32\AppServices.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\PCHealth\HelpCtr\Binaries\HelpSvc.exe
C:\WINDOWS\System32\igfxtray.exe
C:\WINDOWS\System32\hkcmd.exe
C:\WINDOWS\essspk.exe
C:\Program Files\Hewlett-Packard\HP Display Settings\hpdisply.exe
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\PROGRA~1\HPONE-~1\OneTouch.EXE
C:\Program Files\Roxio\Easy CD Creator 6\DragToDisc\DrgToDsc.exe
C:\Program Files\Roxio\Easy CD Creator 6\AudioCentral\RxMon.exe
C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\WkUFind.exe
E:\ARNO\AVASTA~1\ashDisp.exe
E:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Program Files\Roxio\Easy CD Creator 6\AudioCentral\Playlist.exe
C:\Program Files\toud\cuwe.exe
C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
C:\Documents and Settings\ARN0\Bureau\HijackThis.exe
E:\ARNO\avast antivirus\ashWebSv.exe

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.wanadoo.fr
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_5_7_0.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - E:\ARNO\SPYBOT~1\SDHelper.dll
O2 - BHO: iFinger plugin / Browser helper object - {A114D52B-870C-4F15-8021-B6D7F91A054B} - C:\PROGRA~1\iFinger\plugins\IE.ifp
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_5_7_0.dll
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\System32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe
O4 - HKLM\..\Run: [EssSpkPhone] essspk.exe
O4 - HKLM\..\Run: [Paramètres d'affichage HP] C:\Program Files\Hewlett-Packard\HP Display Settings\hpdisply.exe /s
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: [CP4HPOT] C:\PROGRA~1\HPONE-~1\OneTouch.EXE
O4 - HKLM\..\Run: [RoxioEngineUtility] "C:\Program Files\Fichiers communs\Roxio Shared\System\EngUtil.exe"
O4 - HKLM\..\Run: [RoxioDragToDisc] "C:\Program Files\Roxio\Easy CD Creator 6\DragToDisc\DrgToDsc.exe"
O4 - HKLM\..\Run: [RoxioAudioCentral] "C:\Program Files\Roxio\Easy CD Creator 6\AudioCentral\RxMon.exe"
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\WkUFind.exe
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [Drag'n'Drop_Autolaunch] "E:\ARNO\Autolaunch.exe"
O4 - HKLM\..\Run: [avast!] E:\ARNO\AVASTA~1\ashDisp.exe
O4 - HKLM\..\Run: [Zone Labs Client] E:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
O4 - HKCU\..\Run: [Heth] "C:\Program Files\toud\cuwe.exe" -vt mt
O4 - HKCU\..\Run: [MailSkinner] c:\program files\mailskinner\mailskinner.exe
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O9 - Extra button: iFinger - {936E5D60-596C-11D3-BB96-00600816DF55} - C:\WINDOWS\System32\SHDOCVW.DLL
O14 - IERESET.INF: START_PAGE_URL=http://www.wanadoo.fr
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - E:\ARNO\avast antivirus\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - E:\ARNO\avast antivirus\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - E:\ARNO\avast antivirus\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - E:\ARNO\avast antivirus\ashWebSv.exe" /service (file missing)
O23 - Service: Boonty Games - BOONTY - C:\Program Files\Fichiers communs\BOONTY Shared\Service\Boonty.exe
O23 - Service: C-DillaCdaC11BA - Macrovision - C:\WINDOWS\System32\drivers\CDAC11BA.EXE
O23 - Service: HP Configuration Service (HPConfig) - Hewlett-Packard - C:\WINDOWS\System32\HPConfig.exe
O23 - Service: Iomega App Services - Iomega Corporation - C:\PROGRA~1\Iomega\System32\AppServices.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe