Virus iexplorer, analyse log Hijackthis

Bonjour,

J'ai un PC portable Toshiba tout neuf et il rame déjà sur Internet, genre vidéo Youtube hyper saccadées, ...

Si quelqu'un pouvait m'aider!!!!

J'ai des processus iexplorer.exe en triple, quadruple, etc
J'ai essayé déjà pas mal de trucs mais la je sèche!!

MERCI
Voici le log Hijackthis:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 20:22:09, on 07/11/2011
Platform: Unknown Windows (WinNT 6.01.3505 SP1)
MSIE: Internet Explorer v9.00 (9.00.8112.16421)
Boot mode: Normal

Running processes:
C:\Program Files (x86)\Spybot - Search & Destroy\TeaTimer.exe
C:\Program Files (x86)\OpenOffice.org 3\program\soffice.exe
C:\Program Files (x86)\OpenOffice.org 3\program\soffice.bin
C:\Program Files (x86)\TOSHIBA\TOSHIBA Sleep Utility\TSleepSrv.exe
C:\Program Files (x86)\Common Files\Java\Java Update\jusched.exe
C:\Program Files (x86)\AVG\AVG2012\avgtray.exe
C:\Program Files (x86)\AVG Secure Search\vprot.exe
C:\Program Files (x86)\TOSHIBA\ConfigFree\NDSTray.exe
C:\Program Files (x86)\TOSHIBA\ConfigFree\CFSwMgr.exe
C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Windows\SysWOW64\Macromed\Flash\FlashUtil10l_ActiveX.exe
C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\MELANIE\Downloads\Protection\HJT\HJT.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://go.microsoft.com/fwlink/?linkid=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://fr.msn.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = C:\Windows\SysWOW64\blank.htm
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
F2 - REG:system.ini: UserInit=userinit.exe
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Program Files (x86)\AVG\AVG2012\avgssie.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files (x86)\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: Windows Live ID Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: AVG Security Toolbar - {95B7759C-8C7F-4BF1-B163-73684A933233} - C:\Program Files (x86)\AVG Secure Search\8.0.0.40\AVG Secure Search_toolbar.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files (x86)\Java\jre6\bin\jp2ssv.dll
O2 - BHO: TOSHIBA Media Controller Plug-in - {F3C88694-EFFA-4d78-B409-54B7B2535B14} - C:\Program Files (x86)\TOSHIBA\TOSHIBA Media Controller Plug-in\TOSHIBAMediaControllerIE.dll
O3 - Toolbar: AVG Security Toolbar - {95B7759C-8C7F-4BF1-B163-73684A933233} - C:\Program Files (x86)\AVG Secure Search\8.0.0.40\AVG Secure Search_toolbar.dll
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files (x86)\Adobe\Reader 10.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [NBAgent] "c:\Program Files (x86)\Nero\Nero 10\Nero BackItUp\NBAgent.exe" /WinStart
O4 - HKLM\..\Run: [TSleepSrv] %ProgramFiles(x86)%\TOSHIBA\TOSHIBA Sleep Utility\TSleepSrv.exe
O4 - HKLM\..\Run: [ToshibaServiceStation] C:\Program Files (x86)\TOSHIBA\TOSHIBA Service Station\ToshibaServiceStation.exe /hide:60
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files (x86)\Common Files\Java\Java Update\jusched.exe"
O4 - HKLM\..\Run: [AVG_TRAY] "C:\Program Files (x86)\AVG\AVG2012\avgtray.exe"
O4 - HKLM\..\Run: [vProt] "C:\Program Files (x86)\AVG Secure Search\vprot.exe"
O4 - HKCU\..\Run: [TOPI.EXE] C:\Program Files (x86)\TOSHIBA\TOSHIBA Online Product Information\TOPI.exe /STARTUP
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files (x86)\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\Run: [TOPI.EXE] C:\Program Files (x86)\TOSHIBA\TOSHIBA Online Product Information\topi.exe /STARTUP (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-20\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [TOPI.EXE] C:\Program Files (x86)\TOSHIBA\TOSHIBA Online Product Information\topi.exe /STARTUP (User 'Système')
O4 - HKUS\.DEFAULT\..\Run: [TOPI.EXE] C:\Program Files (x86)\TOSHIBA\TOSHIBA Online Product Information\topi.exe /STARTUP (User 'Default user')
O4 - .DEFAULT User Startup: TRDCReminder.lnk = C:\Program Files (x86)\TOSHIBA\TRDCReminder\TRDCReminder.exe (User 'Default user')
O4 - Startup: OpenOffice.org 3.3.lnk = C:\Program Files (x86)\OpenOffice.org 3\program\quickstart.exe
O4 - Startup: TRDCReminder.lnk = C:\Program Files (x86)\TOSHIBA\TRDCReminder\TRDCReminder.exe
O4 - Global Startup: Toshiba Places Icon Utility.lnk = ?
O8 - Extra context menu item: Ajouter à TOSHIBA Bulletin Board - res://C:\Program Files\TOSHIBA\BulletinBoard\TosBBCom.dll/1000
O9 - Extra button: @C:\Program Files (x86)\Windows Live\Writer\WindowsLiveWriterShortcuts.dll,-1004 - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files (x86)\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: @C:\Program Files (x86)\Windows Live\Writer\WindowsLiveWriterShortcuts.dll,-1003 - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files (x86)\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: @C:\Program Files\TOSHIBA\BulletinBoard\TosNcUi.dll,-229 - {97F922BD-8563-4184-87EE-8C4ACA438823} - (no file)
O9 - Extra 'Tools' menuitem: @C:\Program Files\TOSHIBA\BulletinBoard\TosNcUi.dll,-228 - {97F922BD-8563-4184-87EE-8C4ACA438823} - (no file)
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files (x86)\Spybot - Search & Destroy\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search && Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files (x86)\Spybot - Search & Destroy\SDHelper.dll
O10 - Unknown file in Winsock LSP: c:\program files (x86)\common files\microsoft shared\windows live\wlidnsp.dll
O10 - Unknown file in Winsock LSP: c:\program files (x86)\common files\microsoft shared\windows live\wlidnsp.dll
O11 - Options group: [ACCELERATED_GRAPHICS] Accelerated graphics
O13 - Gopher Prefix:
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Program Files (x86)\AVG\AVG2012\avgpp.dll
O18 - Protocol: viprotocol - {B658800C-F66E-4EF3-AB85-6C0C227862A9} - C:\Program Files (x86)\Common Files\AVG Secure Search\ViProtocolInstaller\8.0.1\ViProtocol.dll
O18 - Protocol: wlpg - {E43EF6CD-A37A-4A9B-9E6F-83F89B8E6324} - C:\Program Files (x86)\Windows Live\Photo Gallery\AlbumDownloadProtocolHandler.dll
O23 - Service: Adobe Acrobat Update Service (AdobeARMservice) - Adobe Systems Incorporated - C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\armsvc.exe
O23 - Service: @%SystemRoot%\system32\Alg.exe,-112 (ALG) - Unknown owner - C:\Windows\System32\alg.exe (file missing)
O23 - Service: AVGIDSAgent - AVG Technologies CZ, s.r.o. - C:\Program Files (x86)\AVG\AVG2012\AVGIDSAgent.exe
O23 - Service: AVG WatchDog (avgwd) - AVG Technologies CZ, s.r.o. - C:\Program Files (x86)\AVG\AVG2012\avgwdsvc.exe
O23 - Service: ConfigFree WiMAX Service (cfWiMAXService) - TOSHIBA CORPORATION - C:\Program Files (x86)\TOSHIBA\ConfigFree\CFIWmxSvcs64.exe
O23 - Service: ConfigFree Service - TOSHIBA CORPORATION - C:\Program Files (x86)\TOSHIBA\ConfigFree\CFSvcs.exe
O23 - Service: @%SystemRoot%\system32\efssvc.dll,-100 (EFS) - Unknown owner - C:\Windows\System32\lsass.exe (file missing)
O23 - Service: @%systemroot%\system32\fxsresm.dll,-118 (Fax) - Unknown owner - C:\Windows\system32\fxssvc.exe (file missing)
O23 - Service: GamesAppService - WildTangent, Inc. - C:\Program Files (x86)\WildTangent Games\App\GamesAppService.exe
O23 - Service: GFNEX Service (GFNEXSrv) - Unknown owner - C:\Windows\System32\GFNEXSrv.exe (file missing)
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files (x86)\Common Files\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: @keyiso.dll,-100 (KeyIso) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: Intel(R) Management and Security Application Local Management Service (LMS) - Intel Corporation - C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\LMS\LMS.exe
O23 - Service: @comres.dll,-2797 (MSDTC) - Unknown owner - C:\Windows\System32\msdtc.exe (file missing)
O23 - Service: @c:\Program Files (x86)\Nero\Update\NASvc.exe,-200 (NAUpdate) - Nero AG - c:\Program Files (x86)\Nero\Update\NASvc.exe
O23 - Service: @%SystemRoot%\System32\netlogon.dll,-102 (Netlogon) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - Unknown owner - C:\Windows\system32\nvvsvc.exe (file missing)
O23 - Service: @%systemroot%\system32\psbase.dll,-300 (ProtectedStorage) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: @%systemroot%\system32\Locator.exe,-2 (RpcLocator) - Unknown owner - C:\Windows\system32\locator.exe (file missing)
O23 - Service: @%SystemRoot%\system32\samsrv.dll,-1 (SamSs) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: @%SystemRoot%\system32\snmptrap.exe,-3 (SNMPTRAP) - Unknown owner - C:\Windows\System32\snmptrap.exe (file missing)
O23 - Service: @%systemroot%\system32\spoolsv.exe,-1 (Spooler) - Unknown owner - C:\Windows\System32\spoolsv.exe (file missing)
O23 - Service: @%SystemRoot%\system32\sppsvc.exe,-101 (sppsvc) - Unknown owner - C:\Windows\system32\sppsvc.exe (file missing)
O23 - Service: NVIDIA Stereoscopic 3D Driver Service (Stereo Service) - NVIDIA Corporation - C:\Program Files (x86)\NVIDIA Corporation\3D Vision\nvSCPAPISvr.exe
O23 - Service: Notebook Performance Tuning Service (TEMPRO) (TemproMonitoringService) - Toshiba Europe GmbH - C:\Program Files (x86)\Toshiba TEMPRO\TemproSvc.exe
O23 - Service: TMachInfo - TOSHIBA Corporation - C:\Program Files (x86)\TOSHIBA\TOSHIBA Service Station\TMachInfo.exe
O23 - Service: TOSHIBA Optical Disc Drive Service (TODDSrv) - Unknown owner - C:\Windows\system32\TODDSrv.exe (file missing)
O23 - Service: TOSHIBA Power Saver (TosCoSrv) - TOSHIBA Corporation - C:\Program Files\TOSHIBA\Power Saver\TosCoSrv.exe
O23 - Service: TOSHIBA eco Utility Service - TOSHIBA Corporation - C:\Program Files\TOSHIBA\TECO\TecoService.exe
O23 - Service: TOSHIBA HDD SSD Alert Service - TOSHIBA Corporation - C:\Program Files\TOSHIBA\TOSHIBA HDD SSD Alert\TosSmartSrv.exe
O23 - Service: TPCH Service (TPCHSrv) - TOSHIBA Corporation - C:\Program Files\TOSHIBA\TPHM\TPCHSrv.exe
O23 - Service: @%SystemRoot%\system32\ui0detect.exe,-101 (UI0Detect) - Unknown owner - C:\Windows\system32\UI0Detect.exe (file missing)
O23 - Service: Intel(R) Management and Security Application User Notification Service (UNS) - Intel Corporation - C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\UNS\UNS.exe
O23 - Service: @%SystemRoot%\system32\vaultsvc.dll,-1003 (VaultSvc) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: @%SystemRoot%\system32\vds.exe,-100 (vds) - Unknown owner - C:\Windows\System32\vds.exe (file missing)
O23 - Service: @%systemroot%\system32\vssvc.exe,-102 (VSS) - Unknown owner - C:\Windows\system32\vssvc.exe (file missing)
O23 - Service: vToolbarUpdater - Unknown owner - C:\Program Files (x86)\Common Files\AVG Secure Search\vToolbarUpdater\8.0.1\ToolbarUpdater.exe
O23 - Service: @%SystemRoot%\system32\Wat\WatUX.exe,-601 (WatAdminSvc) - Unknown owner - C:\Windows\system32\Wat\WatAdminSvc.exe (file missing)
O23 - Service: @%systemroot%\system32\wbengine.exe,-104 (wbengine) - Unknown owner - C:\Windows\system32\wbengine.exe (file missing)
O23 - Service: @%Systemroot%\system32\wbem\wmiapsrv.exe,-110 (wmiApSrv) - Unknown owner - C:\Windows\system32\wbem\WmiApSrv.exe (file missing)
O23 - Service: @%PROGRAMFILES%\Windows Media Player\wmpnetwk.exe,-101 (WMPNetworkSvc) - Unknown owner - C:\Program Files (x86)\Windows Media Player\wmpnetwk.exe (file missing)