HELP virus sur mon ordinateur

Bonjour,
j'ai un gros problème depuis hier, 4 processus inconnus jusqu'alors ce mette en route, ils bouffent toutes les ressources de mon ordinateur, c'est un cauchemar ! Si quelqu'un a une solution svp. Voila les processus, jsuis sur que c'est eux
-atiedxx.exe
-csrss.exe
-rtWlan.exe
-winlogon.exe
j'ai essayé de les supprimé, pas possible, meme avec avast et malware malbytes, je sais pas quoi faire

voila un rapport avec hijackthis

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\system32\taskhost.exe
C:\Program Files\TuneUp Utilities 2011\TuneUpUtilitiesApp32.exe
C:\Windows\Explorer.EXE
C:\Program Files\AVAST Software\Avast\AvastUI.exe
C:\Program Files\Windows Searchqu Toolbar\Datamngr\datamngrUI.exe
C:\Windows\system32\taskmgr.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Windows\system32\Macromed\Flash\FlashUtil10t_ActiveX.exe
C:\Windows\system32\wuauclt.exe
C:\Program Files\Windows Defender\MSASCui.exe
C:\Program Files\Windows Media Player\wmplayer.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

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 = https://www.msn.com/fr-fr
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
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://www.ustart.org
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: (no name) - {37483b40-c254-4a72-bda4-22ee90182c1e} - (no file)
R3 - URLSearchHook: (no name) - {05eeb91a-aef7-4f8a-978f-fb83e7b03f8e} - (no file)
R3 - URLSearchHook: BittorrentBar_FR Toolbar - {ef79f67a-6ad7-4715-a0f8-932fca442023} - C:\Program Files\BittorrentBar_FR\prxtbBitt.dll
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: RealPlayer Download and Record Plugin for Internet Explorer - {3049C3E9-B461-4BC5-8870-4C09146192CA} - C:\ProgramData\Real\RealPlayer\BrowserRecordPlugin\IE\rpbrowserrecordplugin.dll
O2 - BHO: Conduit Engine - {30F9B915-B755-4826-820B-08FBA6BD249D} - C:\Program Files\ConduitEngine\prxConduitEngine.dll
O2 - BHO: Increase performance and video formats for your HTML5 <video> - {326E768D-4182-46FD-9C16-1449A49795F4} - C:\Program Files\DivX\DivX Plus Web Player\ie\DivXHTML5\DivXHTML5.dll
O2 - BHO: avast! WebRep - {8E5E2654-AD2D-48bf-AC2D-D17F00898D06} - C:\Program Files\AVAST Software\Avast\aswWebRepIE.dll
O2 - BHO: Windows Live ID Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Searchqu Toolbar - {99079a25-328f-4bd4-be04-00955acaa0a7} - C:\PROGRA~1\WIA6EB~1\Datamngr\ToolBar\searchqudtx.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: BittorrentBar_FR - {ef79f67a-6ad7-4715-a0f8-932fca442023} - C:\Program Files\BittorrentBar_FR\prxtbBitt.dll
O3 - Toolbar: avast! WebRep - {8E5E2654-AD2D-48bf-AC2D-D17F00898D06} - C:\Program Files\AVAST Software\Avast\aswWebRepIE.dll
O3 - Toolbar: DAEMON Tools Toolbar - {32099AAC-C132-4136-9E9A-4E364A424E17} - C:\Program Files\DAEMON Tools Toolbar\DTToolbar.dll
O3 - Toolbar: uStart Toolbar - {0E1230F8-EA50-42A9-983C-D22ABC2EED3B} - C:\Users\Irwin\AppData\Roaming\uStart\uStart Toolbar.dll
O3 - Toolbar: Searchqu Toolbar - {99079a25-328f-4bd4-be04-00955acaa0a7} - C:\PROGRA~1\WIA6EB~1\Datamngr\ToolBar\searchqudtx.dll
O3 - Toolbar: Conduit Engine - {30F9B915-B755-4826-820B-08FBA6BD249D} - C:\Program Files\ConduitEngine\prxConduitEngine.dll
O3 - Toolbar: BittorrentBar_FR Toolbar - {ef79f67a-6ad7-4715-a0f8-932fca442023} - C:\Program Files\BittorrentBar_FR\prxtbBitt.dll
O4 - HKLM\..\Run: [avast] "C:\Program Files\AVAST Software\Avast\avastUI.exe" /nogui
O4 - HKLM\..\Run: [DATAMNGR] C:\PROGRA~1\WIA6EB~1\Datamngr\DATAMN~1.EXE
O4 - HKLM\..\Run: [Malwarebytes' Anti-Malware] "C:\Program Files\Malwarebytes' Anti-Malware\mbamgui.exe" /starttray
O4 - HKLM\..\Run: [Malwarebytes' Anti-Malware (reboot)] "C:\Program Files\Malwarebytes' Anti-Malware\mbam.exe" /runcleanupscript
O4 - HKCU\..\Run: [DAEMON Tools Lite] "C:\Program Files\DAEMON Tools Lite\DTLite.exe" -autorun
O4 - HKCU\..\Run: [Skype] "C:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - HKCU\..\Run: [uTorrent] "C:\Program Files\uTorrent\uTorrent.exe" /MINIMIZED
O4 - HKCU\..\Run: [BitTorrent] "C:\Program Files\BitTorrent\BitTorrent.exe"
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (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 - Startup: OpenOffice.org 3.3.lnk = C:\Program Files\OpenOffice.org 3\program\quickstart.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MIF5BA~1\Office12\EXCEL.EXE/3000
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MIF5BA~1\Office12\REFIEBAR.DLL
O9 - Extra button: Add To uStart - {DD508A27-1F46-49AC-BF85-C5675BAB47F6} - C:\Users\Irwin\AppData\Roaming\uStart\addtoustart.dll (HKCU)
O10 - Unknown file in Winsock LSP: c:\program files\common files\microsoft shared\windows live\wlidnsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\common files\microsoft shared\windows live\wlidnsp.dll
O13 - Gopher Prefix:
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O18 - Protocol: wlpg - {E43EF6CD-A37A-4A9B-9E6F-83F89B8E6324} - C:\Program Files\Windows Live\Photo Gallery\AlbumDownloadProtocolHandler.dll
O20 - AppInit_DLLs: C:\PROGRA~1\WIA6EB~1\Datamngr\datamngr.dll C:\PROGRA~1\WIA6EB~1\Datamngr\IEBHO.dll
O23 - Service: Adobe Acrobat Update Service (AdobeARMservice) - Adobe Systems Incorporated - C:\Program Files\Common Files\Adobe\ARM\1.0\armsvc.exe
O23 - Service: AMD External Events Utility - AMD - C:\Windows\system32\atiesrxx.exe
O23 - Service: avast! Antivirus - AVAST Software - C:\Program Files\AVAST Software\Avast\AvastSvc.exe
O23 - Service: MBAMService - Malwarebytes Corporation - C:\Program Files\Malwarebytes' Anti-Malware\mbamservice.exe
O23 - Service: Realtek11nSU - Realtek - C:\Program Files\Olitec\Olitec 11n USB Wireless LAN Utility\RtlService.exe
O23 - Service: TuneUp Utilities Service (TuneUp.UtilitiesSvc) - TuneUp Software - C:\Program Files\TuneUp Utilities 2011\TuneUpUtilitiesService32.exe