Pas de son sur internet

Bonjour,

J'ai un soucis depuis hier, je n'ai plus de son lorsque je regarde des vidéos sur internet, du streaming, youtube,... Apres pour regarder un dvd tout marche normalement.
Voila donc est ce que j'ai attrapé quelque chose sur le net?

Merci d'avance pour votre aide.

Hijackthis :
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 21:57:23, on 06/09/2009
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.18813)
Boot mode: Normal

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\system32\taskeng.exe
C:\Windows\Explorer.EXE
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\MOM.exe
C:\Program Files\Hewlett-Packard\Media\DVD\DVDAgent.exe
C:\Program Files\Hewlett-Packard\TouchSmart\Media\TSMAgent.exe
C:\Program Files\Hewlett-Packard\TouchSmart\Media\Kernel\CLML\CLMLSvc.exe
C:\Program Files\Hewlett-Packard\HP MediaSmart\SmartMenu.exe
C:\Program Files\Windows Defender\MSASCui.exe
C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\QLBCTRL.exe
C:\Program Files\HP\HP Software Update\hpwuSchd2.exe
C:\Program Files\Hewlett-Packard\HP Wireless Assistant\HPWAMain.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\Java\jre6\bin\jusched.exe
C:\Program Files\IDT\WDM\sttray.exe
C:\Program Files\Common Files\LightScribe\LightScribeControlPanel.exe
C:\Program Files\Hewlett-Packard\HP Advisor\HPAdvisor.exe
C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\CCC.exe
C:\Program Files\Hewlett-Packard\Shared\hpqToaster.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Windows Live\Contacts\wlcomm.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\iTunes\iTunes.exe
C:\Users\Yann\Desktop\u95\HiJackThis.exe
C:\Windows\System32\notepad.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iehome&loca...
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iehome&loca...
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iehome&loca...
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iehome&loca...
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Symantec NCO BHO - {602ADB0E-4AFF-4217-8AA1-95DAC4DFA408} - C:\Program Files\Norton Internet Security\Engine\16.0.0.125\coIEPlg.dll
O2 - BHO: Symantec Intrusion Prevention - {6D53EC84-6AAE-4787-AEEE-F4628F01010C} - C:\Program Files\Norton Internet Security\Engine\16.0.0.125\IPSBHO.DLL
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live ID - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O3 - Toolbar: Norton Toolbar - {7FEBEFE3-6B19-4349-98D2-FFB09D4B49CA} - C:\Program Files\Norton Internet Security\Engine\16.0.0.125\coIEPlg.dll
O4 - HKLM\..\Run: [StartCCC] "C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe" MSRun
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [DVDAgent] "C:\Program Files\Hewlett-Packard\Media\DVD\DVDAgent.exe"
O4 - HKLM\..\Run: [TSMAgent] "C:\Program Files\Hewlett-Packard\TouchSmart\Media\TSMAgent.exe"
O4 - HKLM\..\Run: [CLMLServer for HP TouchSmart] "C:\Program Files\Hewlett-Packard\TouchSmart\Media\Kernel\CLML\CLMLSvc.exe"
O4 - HKLM\..\Run: [TVAgent] "C:\Program Files\Hewlett-Packard\Media\TV\TVAgent.exe"
O4 - HKLM\..\Run: [UCam_Menu] "C:\Program Files\Hewlett-Packard\Media\Webcam\MUITransfer\MUIStartMenu.exe" "C:\Program Files\Hewlett-Packard\Media\Webcam" update "Software\Hewlett-Packard\Media\Webcam"
O4 - HKLM\..\Run: [SmartMenu] %ProgramFiles%\Hewlett-Packard\HP MediaSmart\SmartMenu.exe
O4 - HKLM\..\Run: [UpdateLBPShortCut] "C:\Program Files\CyberLink\LabelPrint\MUITransfer\MUIStartMenu.exe" "C:\Program Files\CyberLink\LabelPrint" UpdateWithCreateOnce "Software\CyberLink\LabelPrint\2.5"
O4 - HKLM\..\Run: [UpdatePSTShortCut] "C:\Program Files\CyberLink\DVD Suite\MUITransfer\MUIStartMenu.exe" "C:\Program Files\CyberLink\DVD Suite" UpdateWithCreateOnce "Software\CyberLink\PowerStarter"
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [QlbCtrl.exe] C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\QlbCtrl.exe /Start
O4 - HKLM\..\Run: [UpdateP2GoShortCut] "C:\Program Files\CyberLink\Power2Go\MUITransfer\MUIStartMenu.exe" "C:\Program Files\CyberLink\Power2Go" UpdateWithCreateOnce "SOFTWARE\CyberLink\Power2Go\6.0"
O4 - HKLM\..\Run: [UpdatePDIRShortCut] "C:\Program Files\CyberLink\PowerDirector\MUITransfer\MUIStartMenu.exe" "C:\Program Files\CyberLink\PowerDirector" UpdateWithCreateOnce "SOFTWARE\CyberLink\PowerDirector\7.0"
O4 - HKLM\..\Run: [HP Health Check Scheduler] c:\Program Files\Hewlett-Packard\HP Health Check\HPHC_Scheduler.exe
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\Hp\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [WirelessAssistant] C:\Program Files\Hewlett-Packard\HP Wireless Assistant\HPWAMain.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.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: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O4 - HKLM\..\Run: [SysTrayApp] %ProgramFiles%\IDT\WDM\sttray.exe
O4 - HKCU\..\Run: [LightScribe Control Panel] C:\Program Files\Common Files\LightScribe\LightScribeControlPanel.exe -hidden
O4 - HKCU\..\Run: [HPAdvisor] C:\Program Files\Hewlett-Packard\HP Advisor\HPAdvisor.exe autorun=AUTORUN
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office12\EXCEL.EXE/3000
O9 - Extra button: Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: &Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\Office12\REFIEBAR.DLL
O13 - Gopher Prefix:
O17 - HKLM\System\CCS\Services\Tcpip\..\{49CF6C8C-4349-4B48-9D73-9DACFED0A61D}: NameServer = 212.27.40.240,212.27.40.241
O23 - Service: Andrea ST Filters Service (AESTFilters) - Andrea Electronics Corporation - C:\Windows\System32\DriverStore\FileRepository\stwrt.inf_b9d13b43\aestsrv.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: Ati External Event Utility - ATI Technologies Inc. - C:\Windows\system32\Ati2evxx.exe
O23 - Service: Service Bonjour (Bonjour Service) - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: Com4QLBEx - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\Com4QLBEx.exe
O23 - Service: GameConsoleService - WildTangent, Inc. - C:\Program Files\HP Games\My HP Game Console\GameConsoleService.exe
O23 - Service: HP Health Check Service - Hewlett-Packard - c:\Program Files\Hewlett-Packard\HP Health Check\hphc_service.exe
O23 - Service: hpqwmiex - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\Shared\hpqwmiex.exe
O23 - Service: HP Service (hpsrv) - Hewlett-Packard Corporation - C:\Windows\system32\Hpservice.exe
O23 - Service: Service de l’iPod (iPod Service) - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: Norton Internet Security - Symantec Corporation - C:\Program Files\Norton Internet Security\Engine\16.0.0.125\ccSvcHst.exe
O23 - Service: Recovery Service for Windows - Unknown owner - C:\Program Files\SMINST\BLService.exe
O23 - Service: Cyberlink RichVideo Service(CRVS) (RichVideo) - Unknown owner - C:\Program Files\CyberLink\Shared files\RichVideo.exe
O23 - Service: Audio Service (STacSV) - IDT, Inc. - C:\Windows\System32\DriverStore\FileRepository\stwrt.inf_b9d13b43\STacSV.exe
O23 - Service: TV Background Capture Service (TVBCS) (TVCapSvc) - Unknown owner - C:\Program Files\Hewlett-Packard\Media\TV\Kernel\TV\TVCapSvc.exe
O23 - Service: TV Task Scheduler (TVTS) (TVSched) - Unknown owner - C:\Program Files\Hewlett-Packard\Media\TV\Kernel\TV\TVSched.exe

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