Rapport hijack. Que faire maintenant ?

Bonjour,
Bonjour,
voici le rapport de hijack :
Logfile of Trend Micro HijackThis v2.0.0 (BETA)
Scan saved at 17:43:18, on 03/10/2007
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
Boot mode: Normal

Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\csrss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\LEXBCES.EXE
C:\WINNT\system32\spoolsv.exe
C:\WINNT\system32\LEXPPS.EXE
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\nvsvc32.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\Program Files\Spyware Doctor\svcntaux.exe
C:\Program Files\Spyware Doctor\swdsvc.exe
C:\WINNT\system32\stisvc.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\mspmspsv.exe
C:\WINNT\system32\svchost.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINNT\Explorer.EXE
C:\WINNT\system32\wuauclt.exe
C:\Program Files\Lexmark X74-X75\lxbbbmgr.exe
C:\Program Files\Java\jre1.5.0_05\bin\jusched.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\Lexmark X74-X75\lxbbbmon.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\Fichiers communs\ACD Systems\EN\DevDetect.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe
C:\Program Files\Spyware Doctor\SDTrayApp.exe
C:\WINNT\system32\internat.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\WINNT\system32\ZoneLabs\vsmon.exe
C:\Program Files\Hercules\WiFi Station\WifiStation.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Documents and Settings\SEB\Bureau\avg-anti-rootkit_avg_anti-rootkit_1.1.0.42_anglais_34515.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\Documents and Settings\SEB\Bureau\HiJackThis_v2.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Yahoo! Toolbar avec bloqueur de fenêtres pop-up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {0B4FBDFA-D222-1FDF-E15F-3B6E0864FA38} - (no file)
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: (no name) - {81493EA2-8376-4351-8D07-6D279A0829FF} - C:\WINNT\system32\awtss.dll
O2 - BHO: (no name) - {89AD4D75-2429-462e-BD4E-443F233F6033} - C:\WINNT\system32\jypalxlj.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\2.0.301.7164\swg.dll
O2 - BHO: Barre d'outils MSN Search Helper - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Toolbar Suite\TB\02.05.0000.1105\fr-fr\msntb.dll
O2 - BHO: (no name) - {D93C2FE6-0A96-AFB2-5862-7686F9671339} - (no file)
O3 - Toolbar: @msdxmLC.dll,-1@1033,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\system32\msdxm.ocx
O3 - Toolbar: Barre d'outils MSN Search - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Toolbar Suite\TB\02.05.0000.1105\fr-fr\msntb.dll
O3 - Toolbar: Yahoo! Toolbar avec bloqueur de fenêtres pop-up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINNT\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [MessengerPlus3] "C:\Program Files\Messenger Plus! 3\MsgPlus.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [Lexmark X74-X75] "C:\Program Files\Lexmark X74-X75\lxbbbmgr.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_05\bin\jusched.exe
O4 - HKLM\..\Run: [NeroCheck] C:\WINNT\system32\\NeroCheck.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [ZoneAlarm Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
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: [Device Detector] DevDetect.exe -autorun
O4 - HKLM\..\Run: [!AVG Anti-Spyware] "C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe" /minimized
O4 - HKLM\..\Run: [SDTray] "C:\Program Files\Spyware Doctor\SDTrayApp.exe"
O4 - HKLM\..\Run: [SearchIndexer] rundll32.exe "C:\WINNT\system32\koeowegb.dll",sitypnow
O4 - HKCU\..\Run: [internat.exe] internat.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKUS\.DEFAULT\..\Run: [internat.exe] internat.exe (User 'Default user')
O4 - HKUS\.DEFAULT\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINNT\system32\NVMCTRAY.DLL,NvTaskbarInit (User 'Default user')
O4 - HKUS\.DEFAULT\..\RunOnce: [^SetupICWDesktop] C:\Program Files\Internet Explorer\Connection Wizard\icwconn1.exe /desktop (User 'Default user')
O4 - Global Startup: Adobe Gamma Loader.exe.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.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\Office\OSA9.EXE
O4 - Global Startup: WiFi Station.lnk = C:\Program Files\Hercules\WiFi Station\WifiStation.exe
O4 - Global Startup: Windows Desktop Search.lnk = C:\Program Files\MSN Toolbar Suite\DS\02.05.0001.1119\fr-fr\bin\WindowsSearch.exe
O8 - Extra context menu item: &MSN Search - res://C:\Program Files\MSN Toolbar Suite\TB\02.05.0000.1105\fr-fr\msntb.dll/search.htm
O8 - Extra context menu item: Ouvrir dans un nouvel onglet d'arrière-plan - res://C:\Program Files\MSN Toolbar Suite\TAB\02.05.0000.1105\fr-fr\msntabres.dll/229?5e4e1d5b19124afea8621e6412fb87b4
O8 - Extra context menu item: Ouvrir dans un nouvel onglet de premier plan - res://C:\Program Files\MSN Toolbar Suite\TAB\02.05.0000.1105\fr-fr\msntabres.dll/230?5e4e1d5b19124afea8621e6412fb87b4
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_05\bin\npjpi150_05.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_05\bin\npjpi150_05.dll
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)
O10 - Unknown file in Winsock LSP: c:\winnt\system32\nwprovau.dll
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Program Files\Yahoo!\Common\yinsthelper.dll
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://www.bitdefender.fr/scan_fr/scan8/oscan8.cab
O16 - DPF: {8731163E-77B9-4F91-9122-F112521C28AF} (MMSPlayerX Class) - http://mmt.bouyguestelecom.fr/mmawap/jsp/composer/player/mmsPlayer.cab
O16 - DPF: {9122D757-5A4F-4768-82C5-B4171D8556A7} (PhotoPickConvert Class) - http://appdirectory.messenger.msn.com/AppDirectory/P4Apps/PhotoSwap/PhtPkMSN.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O16 - DPF: {F00F4763-7355-4725-82F7-0DA94A256D46} (IncrediMail) - http://www2.incredimail.com/contents/setup/downloader/imloader.cab
O20 - Winlogon Notify: pmnllji - pmnllji.dll (file missing)
O22 - SharedTaskScheduler: Pré-chargeur Browseui - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINNT\system32\browseui.dll
O22 - SharedTaskScheduler: Démon de cache des catégories de composant - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINNT\system32\browseui.dll
O23 - Service: Avertissement (Alerter) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Gestion d'applications (AppMgmt) - Unknown owner - C:\WINNT\system32\services.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! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: AVG Anti-Spyware Guard - GRISOFT s.r.o. - C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: Explorateur d'ordinateur (Browser) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Client DHCP (Dhcp) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Service d'administration du Gestionnaire de disque logique (dmadmin) - Unknown owner - C:\WINNT\System32\dmadmin.exe
O23 - Service: Gestionnaire de disque logique (dmserver) - Unknown owner - C:\WINNT\System32\services.exe
O23 - Service: Client DNS (Dnscache) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Journal des événements (Eventlog) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Service de télécopie (Fax) - Unknown owner - C:\WINNT\system32\faxsvc.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Service de l'iPod (iPod Service) - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: Serveur (lanmanserver) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Station de travail (lanmanworkstation) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: LexBce Server (LexBceS) - Lexmark International, Inc. - C:\WINNT\system32\LEXBCES.EXE
O23 - Service: Service d'application d'assistance TCP/IP NetBIOS (LmHosts) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Partage de Bureau à distance NetMeeting (mnmsrvc) - Unknown owner - C:\WINNT\system32\mnmsrvc.exe
O23 - Service: MSCSPTISRV - Unknown owner - C:\Program Files\Fichiers communs\Sony Shared\AVLib\MSCSPTISRV.exe (file missing)
O23 - Service: DDE réseau (NetDDE) - Unknown owner - C:\WINNT\system32\netdde.exe
O23 - Service: DSDM DDE réseau (NetDDEdsdm) - Unknown owner - C:\WINNT\system32\netdde.exe
O23 - Service: Ouverture de session réseau (Netlogon) - Unknown owner - C:\WINNT\system32\lsass.exe
O23 - Service: Fournisseur de la prise en charge de sécurité LM NT (NtLmSsp) - Unknown owner - C:\WINNT\system32\lsass.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINNT\system32\nvsvc32.exe
O23 - Service: Service client pour NetWare (NWCWorkstation) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: PACSPTISVR - Unknown owner - C:\Program Files\Fichiers communs\Sony Shared\AVLib\PACSPTISVR.exe (file missing)
O23 - Service: Plug-and-Play (PlugPlay) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Agent de stratégie IPSEC (PolicyAgent) - Unknown owner - C:\WINNT\system32\lsass.exe
O23 - Service: Emplacement protégé (ProtectedStorage) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Gestionnaire de comptes de sécurité (SamSs) - Unknown owner - C:\WINNT\system32\lsass.exe
O23 - Service: Prise en charge des cartes à puces (SCardDrv) - Unknown owner - C:\WINNT\System32\SCardSvr.exe
O23 - Service: Carte à puce (SCardSvr) - Unknown owner - C:\WINNT\System32\SCardSvr.exe
O23 - Service: Planificateur de tâches (Schedule) - Unknown owner - C:\WINNT\system32\MSTask.exe
O23 - Service: PC Tools Auxiliary Service (sdAuxService) - Unknown owner - C:\Program Files\Spyware Doctor\svcntaux.exe
O23 - Service: PC Tools Security Service (sdCoreService) - PC Tools - C:\Program Files\Spyware Doctor\swdsvc.exe
O23 - Service: Service d'exécution par délégation (seclogon) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Sony SPTI Service (SPTISRV) - Unknown owner - C:\Program Files\Fichiers communs\Sony Shared\AVLib\SPTISRV.exe (file missing)
O23 - Service: Still Image Service (StiSvc) - Unknown owner - C:\WINNT\system32\stisvc.exe
O23 - Service: Journaux et alertes de performance (SysmonLog) - Unknown owner - C:\WINNT\system32\smlogsvc.exe
O23 - Service: Telnet (TlntSvr) - Unknown owner - C:\WINNT\system32\tlntsvr.exe
O23 - Service: Client de suivi de lien distribué (TrkWks) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Gestionnaire d'utilitaires (UtilMan) - Unknown owner - C:\WINNT\System32\UtilMan.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINNT\system32\ZoneLabs\vsmon.exe
O23 - Service: Horloge Windows (W32Time) - Unknown owner - C:\WINNT\System32\services.exe
O23 - Service: Infrastructure de gestion Windows (WinMgmt) - Unknown owner - C:\WINNT\System32\WBEM\WinMgmt.exe
O23 - Service: Extensions du pilote WMI (Wmi) - Unknown owner - C:\WINNT\system32\Services.exe
End of file - 14261 bytes

pour moi c'est du charabia, mais en tout cas je sens bien que mon ordi est infesté
pourtant j'ai bien firewall, antispyware, antivirus, mais là ça rentre de partout. Je me demande si ce n'est pas à cause de l'analyse bitdefender qui demande à passer par explorer