Voilà depuis quelques temps, quand je télécharge à mon débit moyen c'est à dire ~ 700 Ko/s, mon PC rame de malade que ce soit du DL direct ou du torrent

De plus lorsque je vais sur des sites comme youtube, daily, je suis obligé d'attendre que TOUTE la vidéo charge sinon le son et la vidéo rame :/
Rapport HJT :
Merci de votre aide.Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 19:08:00, on 26/02/2010
Platform: Unknown Windows (WinNT 6.01.3504)
MSIE: Internet Explorer v8.00 (8.00.7600.16385)
Boot mode: Normal
Running processes:
C:\Windows\system32\taskhost.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Windows\system32\taskeng.exe
C:\Program Files\Malwarebytes' Anti-Malware\mbamgui.exe
C:\Program Files\Common Files\Java\Java Update\jusched.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Windows\tsnpstd3.exe
C:\Program Files\Steam\Steam.exe
C:\Program Files\RocketDock\RocketDock.exe
C:\Program Files\Logitech\SetPoint\SetPoint.exe
C:\Windows\System32\javaw.exe
C:\Program Files\Xfire\Xfire.exe
C:\Program Files\Common Files\Logishrd\KHAL2\KHALMNPR.EXE
C:\Windows\system32\SearchProtocolHost.exe
C:\Program Files\Xfire\Xfire.exe
C:\Users\Soni\AppData\Local\Google\Chrome\Application\chrome.exe
C:\Windows\system32\SearchFilterHost.exe
C:\Users\Soni\AppData\Local\Google\Chrome\Application\chrome.exe
C:\Users\Soni\AppData\Local\Google\Chrome\Application\chrome.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
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
O1 - Hosts: ::1 localhost
O2 - BHO: QFX Software KeyScrambler - {2B9F5787-88A5-4945-90E7-C4B18563BC5E} - C:\Program Files\KeyScrambler\KeyScramblerIE.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O4 - HKLM\..\Run: [avgnt] C:\Program Files\Avira\AntiVir Desktop\avgnt.exe\" /min
O4 - HKLM\..\Run: [Malwarebytes' Anti-Malware] "C:\Program Files\Malwarebytes' Anti-Malware\mbamgui.exe" /starttray
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Common Files\Java\Java Update\jusched.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: [tsnpstd3] C:\Windows\tsnpstd3.exe
O4 - HKCU\..\Run: [Steam] "c:\program files\steam\steam.exe" -silent
O4 - HKCU\..\Run: [RocketDock] "C:\Program Files\RocketDock\RocketDock.exe"
O4 - HKCU\..\Run: [Google Update] "C:\Users\Soni\AppData\Local\Google\Update\GoogleUpdate.exe" /c
O4 - HKCU\..\RunOnce: [Shockwave Updater] C:\Windows\system32\Adobe\Shockwave 11\SwHelper_1151601.exe -Update -1151601 -"Mozilla/5.0_(Windows;_U;_Windows_NT_6.1;_en-US)_AppleWebKit/532.5_(KHTML,_like_Gecko)_Chrome/4.0.249.89_Safari/532.5" -"http://v3d.pagesjaunes.fr/paris/go.php? ... &epsg=4326"
O4 - Startup: ufbcom_safe.lnk = C:\Windows\System32\javaw.exe
O4 - Startup: Xfire.lnk = C:\Program Files\Xfire\Xfire.exe
O4 - Global Startup: Logitech SetPoint.lnk = C:\Program Files\Logitech\SetPoint\SetPoint.exe
O9 - Extra button: (no name) - {5C106A59-CC3C-4caa-81A4-6D909B5ACE23} - C:\Program Files\KeyScrambler\KeyScramblerIE.dll
O9 - Extra 'Tools' menuitem: &KeyScrambler Options - {5C106A59-CC3C-4caa-81A4-6D909B5ACE23} - C:\Program Files\KeyScrambler\KeyScramblerIE.dll
O13 - Gopher Prefix:
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\COMMON~1\Skype\SKYPE4~1.DLL
O23 - Service: Avira AntiVir Planificateur (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.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: Google Update Service (gupdate) (gupdate) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Service de l’iPod (iPod Service) - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: Logitech Bluetooth Service (LBTServ) - Logitech, Inc. - C:\Program Files\Common Files\Logishrd\Bluetooth\LBTServ.exe
O23 - Service: Ma-Config Service (maconfservice) - CybelSoft - C:\Program Files\ma-config.com\maconfservice.exe
O23 - Service: MBAMService - Malwarebytes Corporation - C:\Program Files\Malwarebytes' Anti-Malware\mbamservice.exe
O23 - Service: NMSAccessU - Unknown owner - C:\Program Files\CDBurnerXP\NMSAccessU.exe
O23 - Service: Olivetti Monitor Service (olMntrService) - Olivetti - C:\Program Files\Olivetti\ANY_WAY\olMntrService.exe
O23 - Service: PnkBstrA - Unknown owner - C:\Windows\system32\PnkBstrA.exe
O23 - Service: Steam Client Service - Valve Corporation - C:\Program Files\Common Files\Steam\SteamService.exe
O23 - Service: TeamViewer 5 (TeamViewer5) - TeamViewer GmbH - C:\Program Files\TeamViewer\Version5\TeamViewer_Service.exe
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End of file - 5207 bytes
