Pc très lent

Bonjour,

J'ai window xp et mon pc est devenu lent. Après utilisation de hijackthis. voici le résultats obtenu. Je vous prie de bien vouloir m'aider pour la suite:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 00:27:30, on 09/12/2011
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP3 (6.00.2900.5512)
Boot mode: Normal

Running processes:http://www.commentcamarche.net/forum/virus-securite-7/new#
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Avira\AntiVir Desktop\sched.exe
C:\Program Files\Avira\AntiVir Desktop\avguard.exe
C:\WINDOWS\system32\drivers\CDAC11BA.EXE
C:\Program Files\Avira\AntiVir Desktop\avshadow.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\Program Files\Fichiers communs\Nero\Nero BackItUp 4\NBService.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Avira\AntiVir Desktop\avmailc.exe
C:\Program Files\Avira\AntiVir Desktop\AVWEBGRD.EXE
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\svchost.exe
C:\Program Files\VIA\VIAudioi\SBADeck\ADeck.exe
C:\Program Files\VIA\RAID\raid_tool.exe
C:\WINDOWS\system32\VTtrayp.exe
C:\WINDOWS\system32\VTTimer.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\Fichiers communs\Java\Java Update\jusched.exe
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Mozilla Firefox\plugin-container.exe
C:\Documents and Settings\Ouattara Kignama Sié.ETPS-4978FB\Mes documents\Téléchargements\HiJackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://search.bearshare.com/sidebar.html?src=ssb&sysid=2
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://fr.mail.pcriot.com/Facebook/index.htm
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://search.bearshare.com/sidebar.html?src=ssb&sysid=2
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://search.bearshare.com/sidebar.html?src=ssb&sysid=2
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: SrchHook Class - {F4F10C1D-87C7-404A-B4B3-000000000000} - C:\PROGRA~1\DAP\SBSearch.dll (file missing)
R3 - URLSearchHook: (no name) - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
O2 - BHO: (no name) - {02478D38-C3F9-4efb-9B51-7695ECA05670} - (no file)
O2 - BHO: MediaBar - {0974BA1E-64EC-11DE-B2A5-E43756D89593} - C:\PROGRA~1\BEARSH~1\MediaBar\ToolBar\BearshareMediabarDx.dll (file missing)
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Fichiers communs\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - (no file)
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O2 - BHO: (no name) - {ea194fe1-ef49-4628-94ca-efe72e7acd73} - (no file)
O3 - Toolbar: (no name) - {CCC7A320-B3CA-4199-B1A6-9F516DD69829} - (no file)
O3 - Toolbar: MediaBar - {0974BA1E-64EC-11DE-B2A5-E43756D89593} - C:\PROGRA~1\BEARSH~1\MediaBar\ToolBar\BearshareMediabarDx.dll (file missing)
O4 - HKLM\..\Run: [AudioDeck] C:\Program Files\VIA\VIAudioi\SBADeck\ADeck.exe 1
O4 - HKLM\..\Run: [RaidTool] C:\Program Files\VIA\RAID\raid_tool.exe
O4 - HKLM\..\Run: [VTTrayp] VTtrayp.exe
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe
O4 - HKLM\..\Run: [NVidia NForcesvc] nvsvc.exe
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [NBKeyScan] "C:\Program Files\Nero\Nero8\Nero BackItUp\NBKeyScan.exe"
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Fichiers communs\Java\Java Update\jusched.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files\Fichiers communs\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Program Files\Fichiers communs\Nero\Lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [S64Kernel_sys] C:\Msy\Msy.exe atr
O4 - HKCU\..\Run: [E09FXLRD_3148328] "C:\Program Files\Microsoft Encarta\Microsoft Encarta 2009 - Collection DVD\EDICT.EXE" -m
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\RunOnce: [nlpo_01] rundll32 advpack.dll,DelNodeRunDLL32 "C:\WINDOWS\Srchasst" (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\RunOnce: [nlpo_03] rundll32 advpack.dll,DelNodeRunDLL32 "C:\WINDOWS\Help\Tours" (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\RunOnce: [nlpo_04] cmd.exe /c md "%USERPROFILE%\Local Settings\Temp" (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\RunOnce: [nlpo_05] cmd.exe /C move /Y "%SystemRoot%\System32\syssetub.dll" "%SystemRoot%\System32\syssetup.dll" (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\RunOnce: [nlpo_06] rundll32 advpack.dll,LaunchINFSection nlite.inf,nLiteReg (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\RunOnce: [nlpo_07] rundll32 advpack.dll,LaunchINFSection nlite.inf,S (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-20\..\RunOnce: [nlpo_01] rundll32 advpack.dll,DelNodeRunDLL32 "C:\WINDOWS\Srchasst" (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\RunOnce: [tscuninstall] %systemroot%\system32\tscupgrd.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O4 - HKUS\.DEFAULT\..\RunOnce: [tscuninstall] %systemroot%\system32\tscupgrd.exe (User 'Default user')
O4 - Global Startup: DSLMON.lnk = C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
O4 - Global Startup: IDETool.lnk = C:\Program Files\IDETOOL\IDETOOL.EXE
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: Barre de recherche Encarta - {B205A35E-1FC4-4CE3-818B-899DBBB3388C} - C:\Program Files\Fichiers communs\Microsoft Shared\Encarta Search Bar\ENCSBAR.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
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{3649048D-446F-44D2-B1C0-A8E053E4E1D5}: NameServer = 213.136.96.2 213.136.96.37
O17 - HKLM\System\CCS\Services\Tcpip\..\{A1FE5B1C-E3F4-4B9A-BCBB-944D54BE850C}: NameServer = 212.27.54.252,212.27.55.252
O17 - HKLM\System\CS1\Services\Tcpip\..\{3649048D-446F-44D2-B1C0-A8E053E4E1D5}: NameServer = 213.136.96.2 213.136.96.37
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: C-DillaCdaC11BA - Macrovision - C:\WINDOWS\system32\drivers\CDAC11BA.EXE
O23 - Service: FLEXnet Licensing Service - Acresso Software Inc. - C:\Program Files\Fichiers communs\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: Nero BackItUp Scheduler 4.0 - Nero AG - C:\Program Files\Fichiers communs\Nero\Nero BackItUp 4\NBService.exe
O23 - Service: NMIndexingService - Nero AG - C:\Program Files\Fichiers communs\Nero\Lib\NMIndexingService.exe