Impossible de changer de fond d'ecran

Bonjour j'ai un probleme je n'arrive pas a changer de fond d'ecran en effet lorsque je demarre j'ai le fond d'ecran normal windows xp puis j'ai un écran tout blanc et lorsque je veux modifié celui-ci la case est grisé svp aidez-moi.J'ai déja regarder les autre topic mais il sont tous différents donc voila
Voici le log hijickthis


Logfile of HijackThis v1.99.1
Scan saved at 21:34:56, on 13/04/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Oboe\OboeiTunes\mDNSResponder.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\system32\crypserv.exe
C:\PROGRA~1\Symantec\NORTON~1\GHOSTS~2.EXE
C:\WINDOWS\explorer.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\SatSrv.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Communicator\xcommsvr.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Scan Server\bdss.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\MessengerPlus! 3\MsgPlus.exe
C:\Program Files\Softwin\BitDefender9\bdmcon.exe
C:\Program Files\Softwin\BitDefender9\bdoesrv.exe
C:\Program Files\Softwin\BitDefender9\bdnagent.exe
C:\Program Files\Softwin\BitDefender9\bdswitch.exe
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\Program Files\CyberLink\PowerDVD\PDVDServ.exe
C:\program files\powerstrip\pstrip.exe
C:\Program Files\Symantec\Norton Ghost 2003\GhostStartTrayApp.exe
C:\Program Files\D-Tools\daemon.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Update Service\livesrv.exe
C:\Program Files\BitComet\BitComet.exe
C:\Program Files\Steganos Security Suite 2006\SSS2006.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\InterVideo\Common\Bin\WinCinemaMgr.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtMng.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosA2dp.exe
C:\Program Files\Softwin\BitDefender9\vsserv.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtHsp.exe
C:\Program Files\Steganos Security Suite 2006\SSS2006.exe
C:\Program Files\Steganos Security Suite 2006\PasswordManagerIEAutoFill.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\tosOBEX.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\tosBtProc.exe
C:\firefox.exe
C:\Program Files\Lavasoft\Ad-Aware SE Personal\Ad-Aware.exe
C:\Documents and Settings\Administrateur\Bureau\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://searchbar.findthewebsiteyouneed.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://searchbar.findthewebsiteyouneed.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://searchbar.findthewebsiteyouneed.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.findthewebsiteyouneed.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://searchbar.findthewebsiteyouneed.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.makemesearch.com/?said=452
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://searchbar.findthewebsiteyouneed.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
F2 - REG:system.ini: Shell=explorer.exe "C:\Program Files\Fichiers communs\Microsoft Shared\Web Folders\ibm00001.exe"
F2 - REG:system.ini: UserInit=userinit.exe
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn0\yt.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\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: WhIeHelperObj Class - {c900b400-cdfe-11d3-976a-00e02913a9e0} - C:\Program Files\webHancer\programs\whiehlpr.dll (file missing)
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn0\yt.dll
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe"
O4 - HKLM\..\Run: [BDMCon] "C:\Program Files\Softwin\BitDefender9\bdmcon.exe"
O4 - HKLM\..\Run: [BDOESRV] "C:\Program Files\Softwin\BitDefender9\bdoesrv.exe"
O4 - HKLM\..\Run: [BDNewsAgent] "C:\Program Files\Softwin\BitDefender9\bdnagent.exe"
O4 - HKLM\..\Run: [BDSwitchAgent] "C:\Program Files\Softwin\BitDefender9\bdswitch.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKLM\..\Run: [RemoteControl] "C:\Program Files\CyberLink\PowerDVD\PDVDServ.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [PowerStrip] c:\program files\powerstrip\pstrip.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [GhostStartTrayApp] C:\Program Files\Symantec\Norton Ghost 2003\GhostStartTrayApp.exe
O4 - HKLM\..\Run: [DAEMON Tools-1033] "C:\Program Files\D-Tools\daemon.exe" -lang 1033
O4 - HKCU\..\Run: [BitComet] "C:\Program Files\BitComet\BitComet.exe"
O4 - HKCU\..\Run: [SSS2006] "C:\Program Files\Steganos Security Suite 2006\SSS2006.exe" -boot
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Steam] "c:\program files\valve\steam\steam.exe" -silent
O4 - HKCU\..\Run: [WhenUSave] "C:\Program Files\Save\Save.exe"
O4 - HKCU\..\Run: [RSS Xpress] C:\Program Files\RSS Xpress\RSS Xpress.exe
O4 - HKCU\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe" /WinStart
O4 - Global Startup: Bluetooth Manager.lnk = ?
O4 - Global Startup: InterVideo WinCinema Manager.lnk = C:\Program Files\InterVideo\Common\Bin\WinCinemaMgr.exe
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
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 - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\PROGRA~1\Yahoo!\Common\yhexbmesfr.dll
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\PROGRA~1\Yahoo!\Common\yhexbmesfr.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O16 - DPF: {14B87622-7E19-4EA8-93B3-97215F77A6BC} (MessengerStatsClient Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O16 - DPF: {42F2C9BA-614F-47C0-B3E3-ECFD34EED658} - http://promo.dollarrevenue.com/web [...] ad618a.exe
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://spaces.msn.com//PhotoUpload/MsnPUpld.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/ [...] loader.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://messenger.zone.msn.com/bina [...] b32846.cab
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: BitDefender Scan Server (bdss) - Unknown owner - C:\Program Files\Fichiers communs\Softwin\BitDefender Scan Server\bdss.exe" /service (file missing)
O23 - Service: Bonjour Service - Apple Computer, Inc. - C:\Program Files\Oboe\OboeiTunes\mDNSResponder.exe
O23 - Service: Crypkey License - Kenonic Controls Ltd. - C:\WINDOWS\SYSTEM32\crypserv.exe
O23 - Service: GhostStartService - Symantec Corporation - C:\PROGRA~1\Symantec\NORTON~1\GHOSTS~2.EXE
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: BitDefender Desktop Update Service (LIVESRV) - Unknown owner - C:\Program Files\Fichiers communs\Softwin\BitDefender Update Service\livesrv.exe" /service (file missing)
O23 - Service: Remote Packet Capture Protocol v.0 (experimental) (rpcapd) - Unknown owner - %ProgramFiles%\WinPcap\rpcapd.exe" -d -f "%ProgramFiles%\WinPcap\rpcapd.ini (file missing)
O23 - Service: Steganos AntiTheft (SatSrv) - Unknown owner - C:\WINDOWS\system32\SatSrv.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe
O23 - Service: BitDefender Virus Shield (VSSERV) - Unknown owner - C:\Program Files\Softwin\BitDefender9\vsserv.exe" /service (file missing)
O23 - Service: BitDefender Communicator (XCOMM) - Unknown owner - C:\Program Files\Fichiers communs\Softwin\BitDefender Communicator\xcommsvr.exe" /service (file missing)

Salut juste pour te remercier car j'ai suivis les étapes que tu as donnés car j'avais un prob similaire et tout fonctionne désormais à merveille. Je n'étais pas l'auteur de la demande mais un grand merci qd même!

SmitFraudFix v2.65

Rapport fait à 12:07:02,50, 26/06/2006
Executé à partir de C:\Documents and Settings\ALEX\Bureau\SmitfraudFix\SmitfraudFix
OS: Microsoft Windows XP [version 5.1.2600] - Windows_NT
Fix executé en mode normal

»»»»»»»»»»»»»»»»»»»»»»»» C:\

C:\kybrd_?.exe PRESENT !
C:\nwnm_?.exe PRESENT !
C:\secure32.html PRESENT !
C:\uniq PRESENT !

»»»»»»»»»»»»»»»»»»»»»»»» C:\WINDOWS

C:\WINDOWS\keyboard1.dat PRESENT !

»»»»»»»»»»»»»»»»»»»»»»»» C:\WINDOWS\system


»»»»»»»»»»»»»»»»»»»»»»»» C:\WINDOWS\Web


»»»»»»»»»»»»»»»»»»»»»»»» C:\WINDOWS\system32


»»»»»»»»»»»»»»»»»»»»»»»» C:\Documents and Settings\ALEX\Application Data

C:\Documents and Settings\ALEX\Application Data\Install.dat PRESENT !

»»»»»»»»»»»»»»»»»»»»»»»» Menu Démarrer


»»»»»»»»»»»»»»»»»»»»»»»» C:\DOCUME~1\ALEX\Favoris


»»»»»»»»»»»»»»»»»»»»»»»» Bureau


»»»»»»»»»»»»»»»»»»»»»»»» C:\Program Files

C:\Program Files\secure32.html PRESENT !

»»»»»»»»»»»»»»»»»»»»»»»» Clés corrompues


»»»»»»»»»»»»»»»»»»»»»»»» Eléments du bureau

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Desktop\Components\0]
"Source"="About:Home"
"SubscribedURL"="About:Home"
"FriendlyName"="Ma page d'accueil"


»»»»»»»»»»»»»»»»»»»»»»»» Sharedtaskscheduler
!!!Attention, les clés qui suivent ne sont pas forcément infectées!!!

SrchSTS.exe by S!Ri
Search SharedTaskScheduler's .dll

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler]
"{2C1CD3D7-86AC-4068-93BC-A02304BB8C34}"="DCOM Server"


»»»»»»»»»»»»»»»»»»»»»»»» Recherche infection wininet.dll


»»»»»»»»»»»»»»»»»»»»»»»» Fin