[Résolu] Connexion internet et pc ralenti

bonjour,
Ma connexion internet et toutes les fonctions de mon pc sont ralenties.
Pouvez vous m'aider.
Merci.
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 17:36:07, on 30/06/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.21045)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\System32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\sched.exe
C:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe
C:\Program Files\Altiris\Altiris Agent\AeXNSAgent.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avguard.exe
C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\Program Files\WIDCOMM\Bluetooth Software\bin\btwdins.exe
C:\WINDOWS\system32\ccsrvc.exe
C:\Program Files\Altiris\Carbon Copy\shellker.exe
C:\Program Files\IBM\SQLLIB\BIN\db2sec.exe
C:\Program Files\Juniper Networks\Common Files\dsNcService.exe
C:\Program Files\McAfee\Common Framework\FrameworkService.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\Program Files\Microsoft\Search Enhancement Pack\SeaPort\SeaPort.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Hewlett-Packard\Shared\hpqwmiex.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\System32\Ati2evxx.exe
C:\Program Files\RegCure\RegCure.exe
C:\PROGRA~1\Altiris\CARBON~1\client.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\QlbCtrl.exe
C:\Program Files\Analog Devices\Core\smax4pnp.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\AGRSMMSG.exe
C:\Program Files\McAfee\Common Framework\UdaterUI.exe
C:\WINDOWS\system32\kmw_run.exe
C:\Program Files\McAfee\Common Framework\McTray.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\LVCOMSX.EXE
C:\Program Files\Logitech\Video\LogiTray.exe
C:\Program Files\Common Files\Nikon\Monitor\NkMonitor.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avgnt.exe
C:\Program Files\Common Files\InstallShield\UpdateService\isuspm.exe
C:\Program Files\Adobe\Acrobat 4.0\Distillr\AcroTray.exe
C:\Program Files\WIDCOMM\Bluetooth Software\BTTray.exe
C:\Program Files\Intuwave\Shared\mRouterRuntime\mRouterRuntime.exe
C:\Program Files\UFDisk Format Tool2\UFDisk Format Tool2\iFormat2.exe
C:\Program Files\Logitech\Desktop Messenger\8876480\Program\LogitechDesktopMessenger.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\Program Files\Nikon\PictureProject\NkbMonitor.exe
C:\Program Files\Logitech\Video\FxSvr2.exe
C:\PROGRA~1\Intuwave\Shared\MROUTE~1\MRB39E~1.EXE
C:\WINDOWS\system32\wbem\wmiapsrv.exe
C:\Program Files\Windows Live\Mail\wlmail.exe
C:\Program Files\Windows Live\Contacts\wlcomm.exe
C:\Program Files\Safari\Safari.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://g.msn.co.uk/0SEENGB/SAOS01?FORM=TOOLBR
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://g.msn.co.uk/0SEENGB/SAOS01?FORM=TOOLBR
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=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://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://g.msn.co.uk/0SEENGB/SAOS01?FORM=TOOLBR
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = http://10.52.57.240:8080
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (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: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Search Helper - {6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - C:\Program Files\Microsoft\Search Enhancement Pack\Search Helper\SEPsearchhelperie.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_07\bin\ssv.dll
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Windows Live Toolbar Helper - {E15A8DC0-8516-42A1-81EA-DC94EC1ACF10} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O3 - Toolbar: &Windows Live Toolbar - {21FA44EF-376D-4D53-9B0F-8A89D3229068} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O4 - HKLM\..\Run: [High Definition Audio Property Page Shortcut] HDAShCut.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [QlbCtrl] %ProgramFiles%\Hewlett-Packard\HP Quick Launch Buttons\QlbCtrl.exe /Start
O4 - HKLM\..\Run: [SoundMAXPnP] C:\Program Files\Analog Devices\Core\smax4pnp.exe
O4 - HKLM\..\Run: [SoundMAX] C:\Program Files\Analog Devices\SoundMAX\Smax4.exe /tray
O4 - HKLM\..\Run: [BluetoothAuthenticationAgent] rundll32.exe bthprops.cpl,,BluetoothAuthenticationAgent
O4 - HKLM\..\Run: [AGRSMMSG] AGRSMMSG.exe
O4 - HKLM\..\Run: [AeXAgentLogon] C:\Program Files\Altiris\Altiris Agent\AeXAgentActivate.exe /logon
O4 - HKLM\..\Run: [McAfeeUpdaterUI] "C:\Program Files\McAfee\Common Framework\UdaterUI.exe" /StartedFromRunKey
O4 - HKLM\..\Run: [ISUSPM Startup] "C:\Program Files\Common Files\InstallShield\UpdateService\isuspm.exe" -startup
O4 - HKLM\..\Run: [ISUSScheduler] "C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe" -start
O4 - HKLM\..\Run: [kmw_run.exe] kmw_run.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [GFRShortcut] "C:\Program Files\GoFileRoom\Common Files\GFRShortcut.exe"
O4 - HKLM\..\Run: [GFRPrinter] "C:\Program Files\GoFileRoom\PrintToGoFileRoom\PrintDriver\GoFileRoomPrinter.exe" -install
O4 - HKLM\..\Run: [PC Suite for Smartphones] "C:\Program Files\Sony Ericsson\Mobile4\Application Launcher\Application Launcher.exe" /startoptions
O4 - HKLM\..\Run: [AppleSyncNotifier] C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleSyncNotifier.exe
O4 - HKLM\..\Run: [LVCOMSX] C:\WINDOWS\system32\LVCOMSX.EXE
O4 - HKLM\..\Run: [LogitechVideoRepair] C:\Program Files\Logitech\Video\ISStart.exe
O4 - HKLM\..\Run: [LogitechVideoTray] C:\Program Files\Logitech\Video\LogiTray.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: [Nikon Transfer Monitor] C:\Program Files\Common Files\Nikon\Monitor\NkMonitor.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [ISUSPM] "C:\Program Files\Common Files\InstallShield\UpdateService\isuspm.exe" -scheduler
O4 - HKCU\..\Run: [mRouterConfig] "C:\Program Files\Intuwave\Shared\mRouterRuntime\mRouterConfig.exe"
O4 - HKCU\..\Run: [LogitechSoftwareUpdate] "C:\Program Files\Logitech\Video\ManifestEngine.exe" boot
O4 - HKUS\S-1-5-19\..\Run: [Communicator] "C:\Program Files\Microsoft Office Communicator\Communicator.exe" (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-19\..\RunOnce: [nlpo_01] cmd.exe /c md "%USERPROFILE%\Local Settings\Temp" (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-19\..\RunOnce: [nlpo_03] rundll32 advpack.dll,LaunchINFSection nlite.inf,S (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-20\..\Run: [Communicator] "C:\Program Files\Microsoft Office Communicator\Communicator.exe" (User 'NETWORK SERVICE')
O4 - HKUS\S-1-5-18\..\Run: [Communicator] "C:\Program Files\Microsoft Office Communicator\Communicator.exe" (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [Communicator] "C:\Program Files\Microsoft Office Communicator\Communicator.exe" (User 'Default user')
O4 - Startup: Adobe Gamma.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Acrobat Assistant.lnk = C:\Program Files\Adobe\Acrobat 4.0\Distillr\AcroTray.exe
O4 - Global Startup: Bluetooth.lnk = ?
O4 - Global Startup: iFormat2.lnk = C:\Program Files\UFDisk Format Tool2\UFDisk Format Tool2\iFormat2.exe
O4 - Global Startup: Logitech Desktop Messenger.lnk = C:\Program Files\Logitech\Desktop Messenger\8876480\Program\LogitechDesktopMessenger.exe
O4 - Global Startup: NkbMonitor.exe.lnk = C:\Program Files\Nikon\PictureProject\NkbMonitor.exe
O4 - Global Startup: SabStart.lnk = C:\Program Files\Csapi\Print32\Sabstart.exe
O8 - Extra context menu item: Add to Windows &Live Favorites - http://favorites.live.com/quickadd.aspx
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Send To &Bluetooth - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie_ctx.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_07\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_07\bin\ssv.dll
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: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O16 - DPF: CabBuilder - http://kiw.imgag.com/imgag/kiw/too [...] ontrol.cab
O16 - DPF: {0CCA191D-13A6-4E29-B746-314DEE697D83} (Facebook Photo Uploader 5) - http://upload.facebook.com/control [...] oader5.cab
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://gfx2.hotmail.com/mail/w2/resources/MSNPUpld.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://www.update.microsoft.com/wi [...] 2897194328
O16 - DPF: {654B32A7-3103-4F58-B3AE-2D847520C2BE} (GFRCheckBrowser.clsGetVersion) - https://workflow.onesourcetax.com/GFRCheckBrowser.dll
O16 - DPF: {E5F5D008-DD2C-4D32-977D-1A0ADF03058B} (JuniperSetupControlXP Class) - https://usait-vpn.usairways.com/dan [...] tupSP1.cab
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = lcc.usairways.com
O17 - HKLM\Software\..\Telephony: DomainName = lcc.usairways.com
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = lcc.usairways.com
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: Domain = lcc.usairways.com
O18 - Protocol: bwfile-8876480 - {9462A756-7B47-47BC-8C80-C34B9B80B32B} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\GAPlugProtocol-8876480.dll
O20 - AppInit_DLLs: AMINIT.dll
O23 - Service: Ad-Aware 2007 Service (aawservice) - Lavasoft AB - C:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: Altiris Agent (AeXNSClient) - Altiris, Inc. - C:\Program Files\Altiris\Altiris Agent\AeXNSAgent.exe
O23 - Service: Avira AntiVir Personal - Free Antivirus Scheduler (AntiVirScheduler) - Avira GmbH - C:\Program Files\Avira\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: Avira AntiVir Personal - Free Antivirus Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir PersonalEdition Classic\avguard.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: Bluetooth Service (btwdins) - Broadcom Corporation. - C:\Program Files\WIDCOMM\Bluetooth Software\bin\btwdins.exe
O23 - Service: Altiris Carbon Copy (CarbonCopy32) - Altiris - C:\WINDOWS\system32\ccsrvc.exe
O23 - Service: DB2 Management Service (DB2COPY1) (DB2MGMTSVC_DB2COPY1) - International Business Machines Corporation - C:\Program Files\IBM\SQLLIB\BIN\db2mgmtsvc.exe
O23 - Service: DB2 Security Server (DB2COPY1) (DB2NTSECSERVER_DB2COPY1) - International Business Machines Corporation - C:\Program Files\IBM\SQLLIB\BIN\db2sec.exe
O23 - Service: Juniper Network Connect Service (dsNcService) - Juniper Networks - C:\Program Files\Juniper Networks\Common Files\dsNcService.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: hpqwmiex - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\Shared\hpqwmiex.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Service de l’iPod (iPod Service) - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: McAfee Framework Service (McAfeeFramework) - McAfee, Inc. - C:\Program Files\McAfee\Common Framework\FrameworkService.exe
O23 - Service: Sabre Print (SabrePrint) - Sabre Inc. - C:\Program Files\Csapi\Print32\OADP.EXE

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End of file - 14981 bytes

merci beaucoup ! tout fonctionne ok !