Internet subitement tres lent

bonsoir ,
j"ai subitement un gros probleme de connexion internet c’est devenu tres lent d’un coup (page qui se charge tres lentement , vitesse de telechargment tres instable etc…) j’ai windows vista home premium et mozilla firefox comme navigateur j’ai aussi pensé a mettre mon rapport hijackthis en cas de virus , a ce sujet j’ai eu un virus tout a l’heures il me semble que c"était win32.worm.agent je vous prie de m’ai der si vous le voulez bien.merci d’avance.

rapport hijackthis :
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 19:40:27, on 06/03/2010
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.18882)
Boot mode: Normal

Running processes:
C:\Windows\system32\taskeng.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Program Files\Windows Defender\MSASCui.exe
C:\Windows\RtHDVCpl.exe
C:\Acer\Empowering Technology\eDataSecurity\eDSloader.exe
C:\Windows\ehome\ehtray.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Program Files\TuneUp Utilities 2010\TuneUpUtilitiesApp32.exe
C:\Windows\ehome\ehmsas.exe
C:\Windows\System32\mobsync.exe
C:\Windows\system32\wbem\unsecapp.exe
C:\Program Files\Lavasoft\Ad-Aware\AAWTray.exe
C:\Program Files\Iminent\MMServer\Iminent.MMServer.exe
C:\Program Files\Mozilla Firefox 3.1 Beta 2\firefox.exe
D:\inutile ou prenant de la place\HiJackThis_1.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = thefreevpn.com…
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = fr.fr.acer.yahoo.com…
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = go.microsoft.com…
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = go.microsoft.com…
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = fr.fr.acer.yahoo.com…
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: AGSearchHook Class - {0BC6E3FA-78EF-4886-842C-5A1258C4455A} - C:\Program Files\AGI\common\agcutils.dll
O1 - Hosts: ::1 localhost
O2 - BHO: AGSearchHook Class - {0BC6E3FA-78EF-4886-842C-5A1258C4455A} - C:\Program Files\AGI\common\agcutils.dll
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Skype add-on (mastermind) - {22BF413B-C6D2-4d91-82A9-A0F997BA588C} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O2 - BHO: IMBooster4web-en Toolbar - {346de098-61f9-4b42-89da-6dfba7091bb6} - C:\Program Files\IMBooster4web-en\tbIMBo.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: Softonic France FF Toolbar - {6d6b212b-2245-4898-8b16-9a11b81ff9e1} - C:\Program Files\Softonic_France_FF\tbSoft.dll
O2 - BHO: Search Helper - {6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - C:\Program Files\Microsoft\Search Enhancement Pack\Search Helper\SEPsearchhelperie.dll
O2 - BHO: CHelperBHO - {84FF7BD6-B47F-46F8-9130-01B2696B36CB} - C:\Program Files\Iminent\SearchTheWeb\Iminent.BHO.NavigationError.dll
O2 - BHO: Programme d’aide de l’Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Easy Gif Animator Toolbar Helper - {96372AB6-15EB-4316-B497-71C741BC548C} - C:\Program Files\Easy Gif Animator Extension\v3.3.0.3\EasyGifAnimator_Toolbar.dll
O2 - BHO: IMinent WebBooster - {A09AB6EB-31B5-454C-97EC-9B294D92EE2A} - C:\Program Files\Iminent\IMBooster4Web\Iminent.WebBooster.dll
O2 - BHO: Iminent.LinkToContent - {A6E9BAAF-53CD-4575-967B-2AF710A7D21F} - C:\Program Files\Iminent\IMBooster\Iminent.LinkToContent.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\5.4.4525.1752\swg.dll
O2 - BHO: MegaIEMn - {bf00e119-21a3-4fd1-b178-3b8537e75c92} - C:\Program Files\Megaupload\Mega Manager\MegaIEMn.dll
O2 - BHO: FDMIECookiesBHO Class - {CC59E0F9-7E43-44FA-9FAA-8377850BF205} - C:\Program Files\Free Download Manager\iefdm2.dll
O2 - BHO: Java™ Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: Windows Live Toolbar Helper - {E15A8DC0-8516-42A1-81EA-DC94EC1ACF10} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O2 - BHO: DAPIELoader Class - {FF6C3CF0-4B15-11D1-ABED-709549C10000} - C:\PROGRA~1\DAP\DAPIEL~1.DLL
O3 - Toolbar: Acer eDataSecurity Management - {5CBE3B7C-1E47-477e-A7DD-396DB0476E29} - C:\Windows\system32\eDStoolbar.dll
O3 - Toolbar: &Windows Live Toolbar - {21FA44EF-376D-4D53-9B0F-8A89D3229068} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O3 - Toolbar: IMBooster4web-en Toolbar - {346de098-61f9-4b42-89da-6dfba7091bb6} - C:\Program Files\IMBooster4web-en\tbIMBo.dll
O3 - Toolbar: (no name) - {CCC7A320-B3CA-4199-B1A6-9F516DD69829} - (no file)
O3 - Toolbar: Easy Gif Animator Toolbar - {35065594-9169-4A34-B167-FC4865038E53} - C:\Program Files\Easy Gif Animator Extension\v3.3.0.3\EasyGifAnimator_Toolbar.dll
O3 - Toolbar: Softonic France FF Toolbar - {6d6b212b-2245-4898-8b16-9a11b81ff9e1} - C:\Program Files\Softonic_France_FF\tbSoft.dll
O3 - Toolbar: Veoh Browser Plug-in - {D0943516-5076-4020-A3B5-AEFAF26AB263} - C:\Program Files\Veoh Networks\Veoh\Plugins\reg\VeohToolbar.dll
O4 - HKLM…\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM…\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKLM…\Run: [eDataSecurity Loader] C:\Acer\Empowering Technology\eDataSecurity\eDSloader.exe
O4 - HKLM…\Run: [avgnt] “C:\Program Files\Avira\AntiVir Desktop\avgnt.exe” /min
O4 - HKCU…\Run: [ehTray.exe] C:\Windows\ehome\ehTray.exe
O4 - HKCU…\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKCU…\Run: [msnmsgr] “C:\Program Files\Windows Live\Messenger\msnmsgr.exe” /background
O4 - HKCU…\Run: [NVIDIA nTune] “C:\Program Files\NVIDIA Corporation\nTune\nTuneCmd.exe” clear
O4 - HKCU…\Run: [swg] “C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe”
O4 - HKCU…\Run: [DownloadAccelerator] “C:\Program Files\DAP\DAP.EXE” /STARTUP
O4 - HKCU…\Run: [Free Download Manager] C:\Program Files\Free Download Manager\fdm.exe -autorun
O4 - HKCU…\Run: [Steam] C:\Program Files\Valve\Steam\Steam.exe -silent
O8 - Extra context menu item: &Clean Traces - C:\Program Files\DAP\Privacy Package\dapcleanerie.htm
O8 - Extra context menu item: &Download with &DAP - C:\Program Files\DAP\dapextie.htm
O8 - Extra context menu item: Download &all with DAP - C:\Program Files\DAP\dapextie2.htm
O8 - Extra context menu item: Tout télécharger avec Free Download Manager - [C:\Program…](file://C:\Program) Files\Free Download Manager\dlall.htm
O8 - Extra context menu item: Télécharger avec Free Download Manager - [C:\Program…](file://C:\Program) Files\Free Download Manager\dllink.htm
O8 - Extra context menu item: Télécharger la sélection avec Free Download Manager - [C:\Program…](file://C:\Program) Files\Free Download Manager\dlselected.htm
O8 - Extra context menu item: Télécharger la vidéo avec Free Download Manager - [C:\Program…](file://C:\Program) Files\Free Download Manager\dlfvideo.htm
O9 - Extra button: Ajout Direct - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra ‘Tools’ menuitem: &Ajout Direct dans Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: (no name) - {5067A26B-1337-4436-8AFE-EE169C2DA79F} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O9 - Extra ‘Tools’ menuitem: Skype add-on for Internet Explorer - {5067A26B-1337-4436-8AFE-EE169C2DA79F} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O9 - Extra button: Skype - {77BF5300-1474-4EC7-9980-D32B190E9B07} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra ‘Tools’ menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O13 - Gopher Prefix:
O15 - Trusted Zone: *.canalplay.com (HKLM)
O15 - Trusted Zone: *.canalplusactive.com (HKLM)
O16 - DPF: CabBuilder - kiw.imgag.com…
O16 - DPF: {1E54D648-B804-468d-BC78-4AFFED8E262F} (System Requirements Lab) - www.nvidia.com…
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - messenger.zone.msn.com…
O16 - DPF: {F5A7706B-B9C0-4C89-A715-7A0C6B05DD48} (Minesweeper Flags Class) - messenger.zone.msn.com…
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\COMMON~1\Skype\SKYPE4~1.DLL
O23 - Service: ePerformance Service (AcerMemUsageCheckService) - Unknown owner - C:\Acer\Empowering Technology\ePerformance\MemCheck.exe
O23 - Service: AG Windows Service (AGWinService) - Unknown owner - C:\Program Files\AGI\common\win32\PythonService.exe
O23 - Service: Avira Pare-feu (AntiVirFirewallService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avfwsvc.exe
O23 - Service: Avira AntiVir MailGuard (AntiVirMailService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avmailc.exe
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: Avira AntiVir WebGuard (AntiVirWebService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\AVWEBGRD.EXE
O23 - Service: Diskeeper - Diskeeper Corporation - C:\Program Files\Diskeeper Corporation\Diskeeper\DkService.exe
O23 - Service: eRecovery Service (eRecoveryService) - Acer Inc. - C:\Acer\Empowering Technology\eRecovery\eRecoveryService.exe
O23 - Service: FLEXnet Licensing Service - Macrovision Europe Ltd. - C:\Program Files\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: Google Update Service (gupdate1c98b611966aba4) (gupdate1c98b611966aba4) - 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: Lavasoft Ad-Aware Service - Lavasoft - C:\Program Files\Lavasoft\Ad-Aware\AAWService.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: Process Monitor (LVPrcSrv) - Logitech Inc. - C:\Program Files\Common Files\LogiShrd\LVMVFM\LVPrcSrv.exe
O23 - Service: Nero BackItUp Scheduler 4.0 - Unknown owner - C:\Program Files\Common Files\Nero\Nero BackItUp 4\NBService.exe (file missing)
O23 - Service: nProtect GameGuard Service (npggsvc) - Unknown owner - C:\Windows\system32\GameMon.des.exe (file missing)
O23 - Service: nTune Service (nTuneService) - NVIDIA - C:\Program Files\NVIDIA Corporation\nTune\nTuneService.exe
O23 - Service: NVIDIA Display Driver Service (nvsvc) - NVIDIA Corporation - C:\Windows\system32\nvvsvc.exe
O23 - Service: SBSD Security Center Service (SBSDWSCService) - Safer Networking Ltd. - C:\Program Files\Spybot - Search & Destroy\SDWinSec.exe
O23 - Service: PC Tools Auxiliary Service (sdAuxService) - PC Tools - C:\Program Files\Spyware Doctor\pctsAuxs.exe
O23 - Service: PC Tools Security Service (sdCoreService) - PC Tools - C:\Program Files\Spyware Doctor\pctsSvc.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
O23 - Service: @C:\Program Files\TuneUp Utilities 2010\TuneUpDefragService.exe,-1 (TuneUp.Defrag) - TuneUp Software - C:\Program Files\TuneUp Utilities 2010\TuneUpDefragService.exe
O23 - Service: TuneUp Utilities Service (TuneUp.UtilitiesSvc) - TuneUp Software - C:\Program Files\TuneUp Utilities 2010\TuneUpUtilitiesService32.exe


End of file - 12195 bytes

je te remerci beaucoup de me repondre et de m’indiquer la solution , mon probleme est resolu .

bonne journée