Impossible de changer mon fond d'ecran WinXP

Voilà c'est fait et c'est réparé!!!
J'ai downloadé Malwarebytes qui a du redemarer le pc pour effacer les derniers fichers coriaces et tout est visiblement normal maintenant.

Je ne vois qu'une seule chose a dire: "Merci SUPER nihat42 !!! trop fort..."

Tubafouille.

Bonsoir,

Voici la copie du log (encore merci pour ton aide!!)

Logfile of HijackThis v1.99.1
Scan saved at 22:13:03, on 20/02/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16791)

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\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Fichiers communs\Symantec Shared\ccSvcHst.exe
C:\WINDOWS\System32\WLTRYSVC.EXE
C:\WINDOWS\System32\bcmwltry.exe
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\FICHIE~1\AOL\ACS\AOLacsd.exe
C:\Program Files\Fichiers communs\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\Program Files\Symantec\LiveUpdate\AluSchedulerSvc.exe
C:\Program Files\Bonjour\mDNSResponder.exe
c:\Apps\Powercinema\Kernel\TV\CLCapSvc.exe
C:\Program Files\CyberLink\Shared Files\CLML_NTService\CLMLServer.exe
C:\Program Files\CyberLink\Shared Files\CLML_NTService\CLMLService.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\WINDOWS\system32\HPZipm12.exe
C:\WINDOWS\system32\svchost.exe
c:\Apps\Powercinema\Kernel\TV\CLSched.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\QuickTime\QTTask.exe
C:\Program Files\Fichiers communs\AOL\ACS\AOLDial.exe
C:\Apps\Powercinema\PCMService.exe
C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
C:\WINDOWS\system32\WLTRAY.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\Java\jre6\bin\jusched.exe
C:\Program Files\Sony\Content Transfer\ContentTransferWMDetector.exe
C:\Program Files\SDLL\Boostez vos neurones !\Mathematiques\data\Launcher.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccSvcHst.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Program Files\Registry Mechanic\RegMech.exe
C:\documents and settings\owner\local settings\application data\mukqgou.exe
C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\Program Files\HP\Digital Imaging\bin\hpqSTE08.exe
C:\Program Files\Norton 360\ScanStub.exe
C:\PROGRA~1\FICHIE~1\SYMANT~1\CCPD-LC\symlcsvc.exe
C:\Program Files\Fichiers communs\Symantec Shared\VAScanner\comHost.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Internet Explorer\iexplore.exe
C:\hijackthisFolder\hijackthis_199\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.be/?hl=fr&gws_rd=ssl
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Yahoo! Barre d'outils - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
F2 - REG:system.ini: UserInit=Userinit.exe,
O2 - BHO: &Yahoo! Toolbar Helper - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: Aide pour le lien d'Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Fichiers communs\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: NCO 2.0 IE BHO - {602ADB0E-4AFF-4217-8AA1-95DAC4DFA408} - C:\Program Files\Fichiers communs\Symantec Shared\coShared\Browser\2.6\coIEPlg.dll
O2 - BHO: Symantec Intrusion Prevention - {6D53EC84-6AAE-4787-AEEE-F4628F01010C} - C:\PROGRA~1\FICHIE~1\SYMANT~1\IDS\IPSBHO.dll
O2 - BHO: Java(tm) Plug-In SSV Helper - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre6\bin\ssv.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - (no file)
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\3.1.807.1746\swg.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O2 - BHO: SingleInstance Class - {FDAD4DA1-61A2-4FD8-9C17-86F7AC245081} - C:\Program Files\Yahoo!\Companion\Installs\cpn\YTSingleInstance.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - (no file)
O3 - Toolbar: Show Norton Toolbar - {7FEBEFE3-6B19-4349-98D2-FFB09D4B49CA} - C:\Program Files\Fichiers communs\Symantec Shared\coShared\Browser\2.6\CoIEPlg.dll
O3 - Toolbar: Yahoo! Barre d'outils - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [AOLDialer] C:\Program Files\Fichiers communs\AOL\ACS\AOLDial.exe
O4 - HKLM\..\Run: [PCMService] "c:\Apps\Powercinema\PCMService.exe"
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [U.S. Robotics Wireless Manager UI] C:\WINDOWS\system32\WLTRAY
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [PCDAS] C:\Program Files\Defenza\pcd-as.exe /10003
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O4 - HKLM\..\Run: [ContentTransferWMDetector.exe] C:\Program Files\Sony\Content Transfer\ContentTransferWMDetector.exe
O4 - HKLM\..\Run: [Stimulation Cérébrale - Planificateur] "C:\Program Files\SDLL\Boostez vos neurones !\Mathematiques\data\Launcher.exe"
O4 - HKLM\..\Run: [Window UDP Control Servic] winlogon.exe
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [osCheck] "C:\Program Files\Norton 360\osCheck.exe"
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [RegistryMechanic] C:\Program Files\Registry Mechanic\RegMech.exe /H
O4 - HKCU\..\Run: [mukqgou] "c:\documents and settings\owner\local settings\application data\mukqgou.exe" mukqgou
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
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
O10 - Unknown file in Winsock LSP: c:\program files\bonjour\mdnsnsp.dll
O11 - Options group: [INTERNATIONAL] International*
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://download.microsoft.com/download/E/5/6/E5611B10-0D6D-4117-8430-A67417AA88CD/LegitCheckControl.cab
O16 - DPF: {1F2F4C9E-6F09-47BC-970D-3C54734667FE} (LSSupCtl Class) - https://support.norton.com/sp/en/us/home/current/info
O16 - DPF: {3451DEDE-631F-421C-8127-FD793AFC6CC8} - https://support.norton.com/sp/en/us/home/current/info
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/...
O16 - DPF: {67DABFBF-D0AB-41FA-9C46-CC0F21721616} (DivXBrowserPlugin Object) - http://download.divx.com/player/DivXBrowserPlugin.cab
O16 - DPF: {6A344D34-5231-452A-8A57-D064AC9B7862} (Symantec Download Manager) - https://webdl.symantec.com/activex/symdlmgr.cab
O16 - DPF: {8AD9C840-044E-11D1-B3E9-00805F499D93} (Java Runtime Environment 1.6.0) - http://sdlc-esd.sun.com/ESD5/JSCDL/jre/6u11-b90/jinstall-6u11-windows-i586-jc.cab?AuthParam=1228426592_c37e58d97e928e36098bd0c182008d5f&GroupName=JSC&BHost=javadl.sun.com&FilePath=/ESD5/JSCDL/jre/6u11-b90/jinstall-6u11-windows-i586-jc.cab&File=jinstall-6u11-windows-i586-jc.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O20 - Winlogon Notify: dimsntfy - %SystemRoot%\System32\dimsntfy.dll (file missing)
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: AOL Connectivity Service (AOL ACS) - America Online, Inc. - C:\PROGRA~1\FICHIE~1\AOL\ACS\AOLacsd.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Fichiers communs\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: Planificateur LiveUpdate automatique (Automatic LiveUpdate Scheduler) - Symantec Corporation - C:\Program Files\Symantec\LiveUpdate\AluSchedulerSvc.exe
O23 - Service: Service Bonjour (Bonjour Service) - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Unknown owner - C:\Program Files\Fichiers communs\Symantec Shared\ccSvcHst.exe" /h ccCommon (file missing)
O23 - Service: Symantec Settings Manager (ccSetMgr) - Unknown owner - C:\Program Files\Fichiers communs\Symantec Shared\ccSvcHst.exe" /h ccCommon (file missing)
O23 - Service: CyberLink Background Capture Service (CBCS) (CLCapSvc) - Unknown owner - c:\Apps\Powercinema\Kernel\TV\CLCapSvc.exe
O23 - Service: CyberLink Task Scheduler (CTS) (CLSched) - Unknown owner - c:\Apps\Powercinema\Kernel\TV\CLSched.exe
O23 - Service: Symantec Lic NetConnect service (CLTNetCnService) - Unknown owner - C:\Program Files\Fichiers communs\Symantec Shared\ccSvcHst.exe" /h ccCommon (file missing)
O23 - Service: COM Host (comHost) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\VAScanner\comHost.exe
O23 - Service: CyberLink Media Library Service - Cyberlink - C:\Program Files\CyberLink\Shared Files\CLML_NTService\CLMLServer.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: Java Quick Starter (JavaQuickStarterService) - Unknown owner - C:\Program Files\Java\jre6\bin\jqs.exe" -service -config "C:\Program Files\Java\jre6\lib\deploy\jqs\jqs.conf (file missing)
O23 - Service: LiveUpdate - Symantec Corporation - C:\Program Files\Symantec\LiveUpdate\LuComServer_3_4.EXE
O23 - Service: LiveUpdate Notice - Unknown owner - C:\Program Files\Fichiers communs\Symantec Shared\ccSvcHst.exe" /h ccCommon (file missing)
O23 - Service: Planner voor Automatische LiveUpdate - Symantec Corporation - C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
O23 - Service: Symantec Core LC - Unknown owner - C:\PROGRA~1\FICHIE~1\SYMANT~1\CCPD-LC\symlcsvc.exe
O23 - Service: U.S. Robotics Wireless LAN Service (wltrysvc) - Unknown owner - C:\WINDOWS\System32\WLTRYSVC.EXE

fin du log

Voici le rapport du log Malwareytes:

Malwarebytes' Anti-Malware 1.34
Version de la base de données: 1782
Windows 5.1.2600 Service Pack 3

20/02/2009 22:40:02
mbam-log-2009-02-20 (22-40-02).txt

Type de recherche: Examen rapide
Eléments examinés: 70230
Temps écoulé: 8 minute(s), 25 second(s)

Processus mémoire infecté(s): 0
Module(s) mémoire infecté(s): 0
Clé(s) du Registre infectée(s): 10
Valeur(s) du Registre infectée(s): 2
Elément(s) de données du Registre infecté(s): 3
Dossier(s) infecté(s): 1
Fichier(s) infecté(s): 15

Processus mémoire infecté(s):
(Aucun élément nuisible détecté)

Module(s) mémoire infecté(s):
(Aucun élément nuisible détecté)

Clé(s) du Registre infectée(s):
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{100eb1fd-d03e-47fd-81f3-ee91287f9465} (Adware.Shopping.Report) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{c5428486-50a0-4a02-9d20-520b59a9f9b2} (Adware.Shopping.Report) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{c5428486-50a0-4a02-9d20-520b59a9f9b3} (Adware.Shopping.Report) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{1f158a1e-a687-4a11-9679-b3ac64b86a1c} (Adware.Seekmo) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\PreApproved\{914a8f99-38e4-47ec-b875-2b0653516030} (Adware.Seekmo) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\PreApproved\{1f158a1e-a687-4a11-9679-b3ac64b86a1c} (Adware.Seekmo) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\PreApproved\{e313f5dc-cfe7-4568-84a4-c76653547571} (Adware.Seekmo) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{914a8f99-38e4-47ec-b875-2b0653516030} (Adware.Seekmo) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Installer\Products\568267acfc5644dab06f058006ddbae3 (Adware.Zango) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\seekmosa (Adware.Seekmo) -> Quarantined and deleted successfully.

Valeur(s) du Registre infectée(s):
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mukqgou (Adware.Navipromo.H) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Window UDP Control Servic (Backdoor.Bot) -> Quarantined and deleted successfully.

Elément(s) de données du Registre infecté(s):
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\activedesktop\NoChangingWallpaper (Hijack.DisplayProperties) -> Bad: (1) Good: (0) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoSetActiveDesktop (Hijack.DisplayProperties) -> Bad: (1) Good: (0) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoSetActiveDesktop (Hijack.DisplayProperties) -> Bad: (1) Good: (0) -> Quarantined and deleted successfully.

Dossier(s) infecté(s):
C:\Documents and Settings\All Users\Application Data\SeekmoSA (Adware.Seekmo) -> Quarantined and deleted successfully.

Fichier(s) infecté(s):
C:\Documents and Settings\Owner\Local Settings\Application Data\mukqgou_navps.dat (Adware.Navipromo.H) -> Quarantined and deleted successfully.
C:\Documents and Settings\Owner\Local Settings\Application Data\mukqgou_nav.dat (Adware.Navipromo.H) -> Quarantined and deleted successfully.
C:\Documents and Settings\Owner\Local Settings\Application Data\mukqgou.dat (Adware.Navipromo.H) -> Quarantined and deleted successfully.
C:\Documents and Settings\Owner\Local Settings\Application Data\mukqgou.exe (Adware.Navipromo.H) -> Delete on reboot.
C:\WINDOWS\system32\helpersvssccs.exe (Trojan.SpamBot) -> Quarantined and deleted successfully.
C:\Documents and Settings\All Users\Application Data\SeekmoSA\SeekmoSA.dat (Adware.Seekmo) -> Quarantined and deleted successfully.
C:\Documents and Settings\All Users\Application Data\SeekmoSA\SeekmoSAAbout.mht (Adware.Seekmo) -> Quarantined and deleted successfully.
C:\Documents and Settings\All Users\Application Data\SeekmoSA\SeekmoSAau.dat (Adware.Seekmo) -> Quarantined and deleted successfully.
C:\Documents and Settings\All Users\Application Data\SeekmoSA\SeekmoSAEULA.mht (Adware.Seekmo) -> Quarantined and deleted successfully.
C:\Documents and Settings\All Users\Application Data\SeekmoSA\SeekmoSA_kyf.dat (Adware.Seekmo) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\senekakowinmtk.dll (Trojan.Agent) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\warning.gif (Trojan.FakeAlert) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\ahtn.htm (Trojan.FakeAlert) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\senekabrskltow.dat (Trojan.Agent) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\senekarqhxtwyb.dat (Trojan.Agent) -> Quarantined and deleted successfully.

fin du log

merci