Un mauvais trojan lie a ultimate defender

BONJOUR,
je suis protegée par avast qui ne detecte plus d’infection apres suppression des fichiers suspects; mais un fond d’ecran rouge d’alerte squatte mon ordi ainsi que desmessage d’alerte suivi d une connexion automatique sur le site d telechargement de ultimate defender; cte occupation est tres handicapante et m’empeched’avancer sur internet . voci le rapport hijackthis; merci d’avance a celui qui m’aiderera regler ce probleme

j ai oublie de joindre le rapport
Logfile of HijackThis v1.99.1
Scan saved at 12:34:09, on 04/09/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16512)

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:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Hewlett-Packard\Shared\hpqwmiex.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\HPQ\Quick Launch Buttons\EabServr.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\QuickTime\qttask.exe
C:\windows\system32\ucssxue.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\OLYMPUS\OLYMPUS Master\Monitor.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
C:\Program Files\Panasonic\LUMIXSimpleViewer\PhLeAutoRun.exe
C:\PROGRA~1\Yahoo!\MESSEN~1\ymsgr_tray.exe
C:\Program Files\HP\Digital Imaging\bin\hpqSTE08.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Java\jre1.5.0_06\bin\jucheck.exe
C:\WINDOWS\system32\spider.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Documents and Settings\loran.PC821326320297\Local Settings\Temporary Internet Files\Content.IE5\HIYQ4EUL\hijackthis_hijackthis_1.99.1_anglais_17891[1].exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = softwarereferral.com…
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = go.microsoft.com…
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = go.microsoft.com…
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = www.hp.com…
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
R3 - URLSearchHook: Share Accelerator Toolbar - {f5c93451-2609-4723-a053-5c19516be1a8} - C:\Program Files\Share_Accelerator\tbShar.dll
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar3.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: MSVPS System - {F4CF814F-970F-405D-A42C-0CE06EB97373} - C:\WINDOWS\mxduo.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O3 - Toolbar: Share Accelerator Toolbar - {f5c93451-2609-4723-a053-5c19516be1a8} - C:\Program Files\Share_Accelerator\tbShar.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar3.dll
O4 - HKLM…\Run: [ATIPTA] “C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe”
O4 - HKLM…\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKLM…\Run: [HP Software Update] C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
O4 - HKLM…\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM…\Run: [QPService] “C:\Program Files\HP\QuickPlay\QPService.exe”
O4 - HKLM…\Run: [eabconfg.cpl] C:\Program Files\HPQ\Quick Launch Buttons\EabServr.exe /Start
O4 - HKLM…\Run: [Cpqset] C:\Program Files\HPQ\Default Settings\cpqset.exe
O4 - HKLM…\Run: [RecGuard] C:\Windows\SMINST\RecGuard.exe
O4 - HKLM…\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM…\Run: [QuickTime Task] “C:\Program Files\QuickTime\qttask.exe” -atboottime
O4 - HKLM…\Run: [OM_Monitor] C:\Program Files\OLYMPUS\OLYMPUS Master\FirstStart.exe
O4 - HKLM…\Run: [MsgCenterExe] “C:\Program Files\Fichiers communs\Real\Update_OB\RealOneMessageCenter.exe” -osboot
O4 - HKCU…\Run: [MSMSGS] “C:\Program Files\Messenger\msmsgs.exe” /background
O4 - HKCU…\Run: [OM_Monitor] C:\Program Files\OLYMPUS\OLYMPUS Master\Monitor.exe
O4 - HKCU…\Run: [Yahoo! Pager] “C:\PROGRA~1\Yahoo!\MESSEN~1\YAHOOM~1.EXE” -quiet
O4 - HKCU…\Run: [ttool] C:\WINDOWS\9129837.exe
O4 - HKCU…\Run: [Shim error] C:\DOCUME~1\LORAN~1.PC8\APPLIC~1\DEAFON~1\more plus setup.exe
O4 - HKCU…\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU…\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Startup: Adobe Gamma.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Startup: Zapu Acceleration Engine.lnk = C:\Program Files\Zapu\Zapu\wincm.exe
O4 - Startup: Zapu.lnk = C:\Program Files\Zapu\Zapu\wDivi.exe
O4 - Global Startup: Démarrage rapide de HP Photosmart Premier.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqthb08.exe
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
O4 - Global Startup: LUMIX Simple Viewer.lnk = ?
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra ‘Tools’ menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
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
O11 - Options group: [INTERNATIONAL] International*
O14 - IERESET.INF: START_PAGE_URL=http://www.hp.com
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Program Files\Yahoo!\Common\yinsthelper.dll
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - update.microsoft.com…
O16 - DPF: {67DABFBF-D0AB-41FA-9C46-CC0F21721616} (DivXBrowserPlugin Object) - download.divx.com…
O16 - DPF: {87056D28-9730-4A47-B9F9-7E890B62C58A} (WildfireActiveXHost Class) - www.gamehouse.com…
O16 - DPF: {BE319D04-18BD-4B34-AECC-EE7CB610FCA9} (BewitchedGameClass Control) - www.gamehouse.com…
O16 - DPF: {C4925E65-7A1E-11D2-8BB4-00A0C9CC72C3} (Virtools WebPlayer Class) - a532.g.akamai.net…
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - fpdownload2.macromedia.com…
O21 - SSODL: wmphost - {22C03DEE-5864-485D-8767-458F0CB3BEFB} - C:\WINDOWS\wmphost.dll
O21 - SSODL: wmpdev - {F5C8570A-8A41-492E-BC2F-D7A70174394F} - C:\WINDOWS\wmpdev.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: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: Boonty Games - BOONTY - C:\Program Files\Fichiers communs\BOONTY Shared\Service\Boonty.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: hpqwmiex - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\Shared\hpqwmiex.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe

voila voila

change d’antivirus !!!