Virus attaque mémoire?

Bonjour,
j'ai l'impression d'avoir un virus qui prend toute ma mémoire du PC : j'ai 458Go et à chaque fois que je le vide, il se remplit dans environ 30 secondes...

HijackThis:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 21:17:, on 13/12/2010
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.18975)
Boot mode: Normal

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Windows\System32\taskeng.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Windows\RtHDVCpl.exe
C:\Program Files\Sony\PMB\PMBVolumeWatcher.exe
C:\Users\jm\AppData\Roaming\Microsoft\Windows\Templates\svvhost.exe
C:\Program Files\Common Files\Microsoft Shared\Virtualization Handler\CVH.EXE
C:\Windows\System32\mobsync.exe
C:\Windows\System32\cmd.exe
C:\Windows\system32\conime.exe
C:\Program Files\Common Files\microsoft shared\virtualization handler\OfficeVirt.exe
C:\Users\jm\AppData\Local\Google\Chrome\Application\chrome.exe
C:\Users\jm\AppData\Local\Google\Chrome\Application\chrome.exe
C:\Users\jm\Desktop\HiJackThis.exe
C:\Program Files\Trend Micro\UniClient\UiFrmWrk\uiSeAgnt.exe
C:\Program Files\Dofus\Dofus.exe
C:\Program Files\Dofus\dofus.dll

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://ie.redirect.hp.com/...
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://lo.st
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 =
R3 - URLSearchHook: radiodofus Toolbar - {b905bc9d-6059-4517-a6b4-950d26299a2b} - C:\Program Files\radiodofus\tbradi.dll (file missing)
R3 - URLSearchHook: SearchSettings Class - {E312764E-7706-43F1-8DAB-FCDD2B1E416D} - C:\Program Files\Search Settings\SearchSettings.dll
R3 - URLSearchHook: (no name) - {4e2e76b5-1886-46ca-b167-044ddc31e79c} - (no file)
O2 - BHO: Aide pour le lien d'Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: Trend Micro NSC BHO - {1CA1377B-DC1D-4A52-9585-6E06050FAC53} - C:\Program Files\Trend Micro\AMSP\Module\20004\1.5.1381\6.5.1234\TmIEPlg.dll
O2 - BHO: RealPlayer Download and Record Plugin for Internet Explorer - {3049C3E9-B461-4BC5-8870-4C09146192CA} - C:\Program Files\Real\RealPlayer\rpbrowserrecordplugin.dll
O2 - BHO: EoRezoBHO - {64F56FC1-1272-44CD-BA6E-39723696E350} - C:\Program Files\EoRezo\EoAdv\EoRezoBHO.dll (file missing)
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: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\5.6.5805.1910\swg.dll
O2 - BHO: TmBpIeBHO - {BBACBAFD-FA5E-4079-8B33-00EB9F13D4AC} - C:\Program Files\Trend Micro\AMSP\Module\20002\6.5.1234\6.5.1234\TmBpIe32.dll
O2 - BHO: EoBHO - {C7B76B90-3455-4AE6-A752-EAC4D19689E5} - C:\Program Files\EoRezo\EoAdv\EoRezoBHO.dll (file missing)
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: SearchSettings Class - {E312764E-7706-43F1-8DAB-FCDD2B1E416D} - C:\Program Files\Search Settings\SearchSettings.dll
O3 - Toolbar: MEDIADICO Familial - {CEDDA62B-5FBE-4AB2-AE2E-5E069F444444} - C:\Program Files\MEDIADICO\MDToolbar\MdToolbar.dll (file missing)
O3 - Toolbar: radiodofus Toolbar - {b905bc9d-6059-4517-a6b4-950d26299a2b} - C:\Program Files\radiodofus\tbradi.dll (file missing)
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [PMBVolumeWatcher] C:\Program Files\Sony\PMB\PMBVolumeWatcher.exe
O4 - HKLM\..\Run: [SearchSettings] C:\Program Files\Search Settings\SearchSettings.exe
O4 - HKLM\..\Run: [Facemoi] c:\Facemoi\facemoi.exe
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [Trend Micro Client Framework] "C:\Program Files\Trend Micro\UniClient\UiFrmWrk\UIWatchDog.exe"
O4 - HKLM\..\Run: [Trend Micro Titanium] "C:\Program Files\Trend Micro\Titanium\UIFramework\uiWinMgr.exe" -set Silent "1" SplashURL ""
O4 - HKLM\..\RunOnce: [SoftwareHelper] C:\Users\jm\AppData\Roaming\eoRezo\SoftwareUpdate\SoftwareUpdateHP.exe -runonce
O4 - HKCU\..\Run: [{9D71D88C-C598-4935-C5D1-43AA4DB90836}] C:\Users\jm\AppData\Roaming\tdfhgdfg\server.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [Microsoft_Manager] c:\windows\Explorer_.exe
O4 - HKCU\..\Run: [Windows Update] C:\Users\jm\AppData\Roaming\Microsoft\Windows\Templates\svvhost.exe
O4 - HKCU\..\Run: [HKCU] C:\Users\jm\AppData\Roaming\install\iexplorer.exe
O4 - HKCU\..\Run: [Google Update] "C:\Users\jm\AppData\Local\Google\Update\GoogleUpdate.exe" /c
O4 - HKUS\S-1-5-18\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background (User 'Default user')
O4 - Startup: OneNote 2007 - Capture d'écran et lancement.lnk = C:\Program Files\Microsoft Office\Office12\ONENOTEM.EXE
O4 - Startup: OneNote 2010 - Capture d'écran et lancement.lnk = C:\Program Files\Common Files\Microsoft Shared\Virtualization Handler\CVH.EXE
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office12\EXCEL.EXE/3000
O8 - Extra context menu item: Google Sidewiki... - res://C:\Program Files\Google\Google Toolbar\Component\GoogleToolbarDynamic_mui_en_950DF09FAB501E03.dll/cmsidewiki.html
O8 - Extra context menu item: Sothink SWF Catcher - C:\Program Files\Common Files\SourceTec\SWF Catcher\InternetExplorer.htm
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
O9 - Extra button: Sothink SWF Catcher - {E19ADC6E-3909-43E4-9A89-B7B676377EE3} - C:\Program Files\Common Files\SourceTec\SWF Catcher\InternetExplorer.htm
O9 - Extra 'Tools' menuitem: Sothink SWF Catcher - {E19ADC6E-3909-43E4-9A89-B7B676377EE3} - C:\Program Files\Common Files\SourceTec\SWF Catcher\InternetExplorer.htm
O13 - Gopher Prefix:
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O18 - Protocol: tmbp - {1A77E7DC-C9A0-4110-8A37-2F36BAE71ECF} - C:\Program Files\Trend Micro\AMSP\Module\20002\6.5.1234\6.5.1234\TmBpIe32.dll
O18 - Protocol: tmpx - {0E526CB5-7446-41D1-A403-19BFE95E8C23} - C:\Program Files\Trend Micro\AMSP\Module\20004\1.5.1381\6.5.1234\TmIEPlg.dll
O23 - Service: Intel(R) Alert Service (AlertService) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\CCU\AlertService.exe
O23 - Service: Trend Micro Solution Platform (Amsp) - Trend Micro Inc. - C:\Program Files\Trend Micro\AMSP\coreServiceShell.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\AppleMobileDeviceService.exe
O23 - Service: Application Updater - Spigot, Inc. - C:\Program Files\Application Updater\ApplicationUpdater.exe
O23 - Service: Service Bonjour (Bonjour Service) - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: Boonty Games - BOONTY - C:\Program Files\Common Files\BOONTY Shared\Service\Boonty.exe
O23 - Service: DQLWinService - Unknown owner - C:\Program Files\Common Files\Intel\IntelDH\NMS\AdpPlugins\DQLWinService.exe
O23 - Service: Service Google Update (gupdate) (gupdate) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: HP Health Check Service - Hewlett-Packard - c:\Program Files\Hewlett-Packard\HP Health Check\hphc_service.exe
O23 - Service: HP Chasis Button Service (HPBtnSrv) - Unknown owner - c:\hp\HPEZBTN\HPBtnSrv.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Intel DH Service (IntelDHSvcConf) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Tools\IntelDHSvcConf.exe
O23 - Service: Service de l'iPod (iPod Service) - Unknown owner - C:\Program Files\iPod\bin\iPodService.exe (file missing)
O23 - Service: Intel(R) Software Services Manager (ISSM) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Media Server\bin\ISSM.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - c:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: Logitech Process Monitor (LVPrcSrv) - Logitech Inc. - c:\program files\common files\logitech\lvmvfm\LVPrcSrv.exe
O23 - Service: Intel(R) Viiv(TM) Media Server (M1 Server) - Unknown owner - C:\Program Files\Intel\IntelDH\Intel Media Server\Media Server\bin\mediaserver.exe
O23 - Service: Intel(R) Application Tracker (MCLServiceATL) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Shells\MCLServiceATL.exe
O23 - Service: MSSQL$SONY_MEDIAMGR - Unknown owner - C:\Program Files\Sony\Shared Plug-Ins\Media Manager\MSSQL$SONY_MEDIAMGR\Binn\sqlservr.exe (file missing)
O23 - Service: nProtect GameGuard Service (npggsvc) - Unknown owner - C:\Windows\system32\GameMon.des.exe (file missing)
O23 - Service: NVIDIA Display Driver Service (nvsvc) - NVIDIA Corporation - C:\Windows\system32\nvvsvc.exe
O23 - Service: PMBDeviceInfoProvider - Sony Corporation - C:\Program Files\Sony\PMB\PMBDeviceInfoProvider.exe
O23 - Service: PnkBstrA - Unknown owner - C:\Windows\system32\PnkBstrA.exe
O23 - Service: Intel(R) Remoting Service (Remote UI Service) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Shells\Remote UI Service.exe
O23 - Service: RoxMediaDB9 - Sonic Solutions - c:\Program Files\Common Files\Roxio Shared\9.0\SharedCOM\RoxMediaDB9.exe
O23 - Service: Remote Packet Capture Protocol v.0 (experimental) (rpcapd) - CACE Technologies, Inc. - C:\Program Files\WinPcap\rpcapd.exe
O23 - Service: SQLAgent$SONY_MEDIAMGR - Unknown owner - C:\Program Files\Sony\Shared Plug-Ins\Media Manager\MSSQL$SONY_MEDIAMGR\Binn\sqlagent.EXE (file missing)
O23 - Service: Steam Client Service - Valve Corporation - C:\Program Files\Common Files\Steam\SteamService.exe
O23 - Service: NVIDIA Stereoscopic 3D Driver Service (Stereo Service) - NVIDIA Corporation - C:\Program Files\NVIDIA Corporation\3D Vision\nvSCPAPISvr.exe
O23 - Service: stllssvr - MicroVision Development, Inc. - c:\Program Files\Common Files\SureThing Shared\stllssvr.exe
O23 - Service: Symantec AppCore Service (SymAppCore) - Unknown owner - c:\Program Files\Common Files\Symantec Shared\AppCore\AppSvc32.exe (file missing)
O23 - Service: wampapache - Apache Software Foundation - c:\wamp\bin\apache\apache2.2.11\bin\httpd.exe
O23 - Service: wampmysqld - Unknown owner - c:\wamp\bin\mysql\mysql5.1.36\bin\mysqld.exe