Mon ordi est lent et il bloque

-merci pour ton aide!!
bon, ais fais tout ce que tu m avais demander!
voila pour commencer le rapport de virustotal

Complete scanning result of "msngr.exe", received in VirusTotal at 01.26.2007, 16:01:08 (CET).

Antivirus Version Update Result
AntiVir 7.3.0.32 01.26.2007 HEUR/Crypted
Authentium 4.93.8 01.26.2007 no virus found
Avast 4.7.936.0 01.26.2007 no virus found
AVG 386 01.26.2007 no virus found
BitDefender 7.2 01.26.2007 no virus found
CAT-QuickHeal 9.00 01.26.2007 no virus found
ClamAV devel-20060426 01.26.2007 no virus found
DrWeb 4.33 01.26.2007 no virus found
eSafe 7.0.14.0 01.26.2007 no virus found
eTrust-InoculateIT 23.73.124 01.26.2007 no virus found
eTrust-Vet 30.3.3352 01.26.2007 no virus found
Ewido 4.0 01.26.2007 no virus found
Fortinet 2.85.0.0 01.26.2007 suspicious
F-Prot 4.2.1.29 01.25.2007 no virus found
Ikarus T3.1.0.27 01.26.2007 no virus found
Kaspersky 4.0.2.24 01.26.2007 no virus found
McAfee 4949 01.26.2007 no virus found
Microsoft 1.2101 01.26.2007 no virus found
NOD32v2 2009 01.26.2007 no virus found
Norman 5.80.02 01.26.2007 no virus found
Panda 9.0.0.4 01.26.2007 no virus found
Prevx1 V2 01.26.2007 Covert.Sys.Exec
Sophos 4.13.0 01.24.2007 no virus found
Sunbelt 2.2.907.0 01.26.2007 VIPRE.Suspicious
TheHacker 6.0.3.158 01.26.2007 no virus found
UNA 1.83 01.26.2007 no virus found
VBA32 3.11.2 01.26.2007 suspected of Backdoor.Hupigon.4 (paranoid heuristics)
VirusBuster 4.3.19:9 01.26.2007 no virus found

Aditional Information
File size: 1293824 bytes
MD5: 0147370818203515195b9eb20599e670
SHA1: c6516e9bf3c932b6d4463fee54bb863d3d85cd47
packers: Themida
Prevx info: http://fileinfo.prevx.com/fileinfo.asp?PXC=da3a73064570
Sunbelt info: VIPRE.Suspicious is a generic detection for potential threats that are deemed suspicious through heuristics.

-ensuite j ai fais ce que tu m as dis en mode sans echec, voila le rapport:

Clean Navipromo version 1.0.2 commencé le 26/01/2007 à 16:50:03,09

Fix lancé depuis C:\Documents and Settings\Antonine\Bureau\virus\navilog
Mise a jour le 17.01.2007 a 23h00 by IL-MAFIOSO

Executé en mode sans echec

Mode suppression automatique

*** Creation backups fichiers scan Blbeta ***

Copie vers "C:\Documents and Settings\Antonine\Bureau\virus\navilog\Backupnavi"

*** Suppression des fichiers trouvés avec Blbeta ***

c:\WINDOWS\system32\bdybxrnqly.dat supprimé !
C:\windows\system32\bdybxrnqly.exe supprimé !
c:\WINDOWS\system32\bdybxrnqly_nav.dat supprimé !
c:\WINDOWS\system32\bdybxrnqly_navps.dat supprimé !

*** Suppression dossiers dans C:\WINDOWS ***

*** Suppression dossiers dans C:\Program Files ***

*** Suppression fichiers ***

C:\WINDOWS\system32\nvs2.inf supprimé !

*** Sauvegarde du registre ***

sauvegarde du registre terminée avec succes

*** Nettoyage registre ***

Nettoyage registre Ok

*** Module de recherche complémentaire ***
(recherche fichiers spécifiques)
Le résultat peut révéler des fichiers légitimes !

*
**
***
****
*****
******

*** Nettoyage termine le 26/01/2007 à 16:50:52,85 ***

en effet, j ai trouver un des dertificat que tu m avais indiquer:
electronic-group...

-ensuite j ai refait un scan hijackthis, voila le log:

Logfile of HijackThis v1.99.1
Scan saved at 16:59:04, on 26/01/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.5730.0011)

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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\ANTIVI~1\backweb\6588780\Program\SERVIC~1.EXE
C:\Program Files\Fichiers communs\EPSON\EBAPI\SAgent2.exe
C:\Program Files\AntivirusFirewall\Anti-Virus\fsgk32st.exe
C:\Program Files\AntivirusFirewall\backweb\6588780\program\fsbwsys.exe
C:\Program Files\AntivirusFirewall\Anti-Virus\FSGK32.EXE
C:\Program Files\AntivirusFirewall\Common\FSMA32.EXE
C:\Program Files\AntivirusFirewall\Anti-Virus\fssm32.exe
C:\WINDOWS\System32\FTRTSVC.exe
C:\Program Files\AntivirusFirewall\Common\FSMB32.EXE
C:\Program Files\Fichiers communs\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\msngr.exe
C:\Program Files\AntivirusFirewall\Common\FCH32.EXE
C:\Program Files\AntivirusFirewall\backweb\6588780\Program\fspex.exe
C:\Program Files\hpq\HP Wireless Assistant\HP Wireless Assistant.exe
C:\Program Files\Java\jre1.5.0_10\bin\jusched.exe
C:\WINDOWS\system32\igfxtray.exe
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\system32\igfxpers.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\HP\QuickPlay\QPService.exe
C:\Program Files\Hp\HP Software Update\HPWuSchd2.exe
C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\QlbCtrl.exe
C:\Program Files\AntivirusFirewall\Common\FSM32.EXE
C:\Program Files\AntivirusFirewall\Common\FAMEH32.EXE
C:\Program Files\AntivirusFirewall\Anti-Virus\fsqh.exe
C:\Program Files\AntivirusFirewall\FSGUI\ispnews.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE
C:\Program Files\Winamp\Winampa.exe
C:\Program Files\Skype\Phone\Skype.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\Program Files\AntivirusFirewall\Anti-Virus\fsrw.exe
C:\Program Files\WinZip\WZQKPICK.EXE
C:\PROGRA~1\Wanadoo\TaskBarIcon.exe
C:\Program Files\HP\Digital Imaging\bin\hpqimzone.exe
C:\Program Files\Hewlett-Packard\Shared\hpqwmiex.exe
C:\Program Files\AntivirusFirewall\Anti-Virus\fsav32.exe
C:\Program Files\AntivirusFirewall\FWES\Program\fsdfwd.exe
C:\PROGRA~1\hpq\Shared\HPQTOA~1.EXE
C:\PROGRA~1\ANTIVI~1\ANTI-S~1\fsaw.exe
C:\Program Files\AntivirusFirewall\FSGUI\fsguidll.exe
C:\Program Files\Wanadoo\GestionnaireInternet.exe
C:\Program Files\Wanadoo\ComComp.exe
C:\PROGRA~1\Wanadoo\Toaster.exe
C:\PROGRA~1\Wanadoo\Inactivity.exe
C:\PROGRA~1\Wanadoo\PollingModule.exe
C:\WINDOWS\System32\ALERTM~1\ALERTM~1.EXE
C:\Program Files\Wanadoo\Watch.exe
C:\Program Files\Hijackthis Version Française\VERSION TRADUITE ORIGINALE.EXE

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = https://fr.search.yahoo.com/?fr=cb-hp06
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-fr?cobrand=compaq-notebook.msn.com&ocid=HPDHP&pc=CPNTDF
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = https://www.msn.com/fr-fr?cobrand=compaq-notebook.msn.com&ocid=HPDHP&pc=CPNTDF
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_10\bin\ssv.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O4 - HKLM\..\Run: [hpWirelessAssistant] C:\Program Files\hpq\HP Wireless Assistant\HP Wireless Assistant.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.5.0_10\bin\jusched.exe"
O4 - HKLM\..\Run: [igfxtray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [igfxhkcmd] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [igfxpers] C:\WINDOWS\system32\igfxpers.exe
O4 - HKLM\..\Run: [High Definition Audio Property Page Shortcut] CHDAudPropShortcut.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [QPService] "C:\Program Files\HP\QuickPlay\QPService.exe"
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\Hp\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [QlbCtrl] %ProgramFiles%\Hewlett-Packard\HP Quick Launch Buttons\QlbCtrl.exe /Start
O4 - HKLM\..\Run: [Cpqset] C:\Program Files\Hewlett-Packard\Default Settings\cpqset.exe
O4 - HKLM\..\Run: [RecGuard] C:\Windows\SMINST\RecGuard.exe
O4 - HKLM\..\Run: [F-Secure Manager] "C:\Program Files\AntivirusFirewall\Common\FSM32.EXE" /splash
O4 - HKLM\..\Run: [F-Secure TNB] "C:\Program Files\AntivirusFirewall\TNB\TNBUtil.exe" /CHECKALL /WAITFORSW
O4 - HKLM\..\Run: [F-Secure Startup Wizard] "C:\Program Files\AntivirusFirewall\FSGUI\FSSW.EXE" /reboot
O4 - HKLM\..\Run: [News Service] "C:\Program Files\AntivirusFirewall\FSGUI\ispnews.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [EPSON Stylus C42 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE /P23 "EPSON Stylus C42 Series" /O6 "USB001" /M "Stylus C42"
O4 - HKLM\..\Run: [WOOWATCH] C:\PROGRA~1\Wanadoo\Watch.exe
O4 - HKLM\..\Run: [WOOTASKBARICON] C:\PROGRA~1\Wanadoo\GestMaj.exe TaskBarIcon.exe
O4 - HKLM\..\Run: [WinampAgent] "C:\Program Files\Winamp\Winampa.exe"
O4 - HKLM\..\Run: [SystemDoctor 2006 Free] C:\Program Files\SystemDoctor 2006 Free\sd2006.exe -scan
O4 - HKLM\..\Run: [dc6v_check] C:\Program Files\SystemDoctor 2006 Free\dcmon.exe
O4 - HKLM\..\Run: [USDR6cw] C:\Program Files\SystemDoctor 2006 Free\USDR6cw.exe -c
O4 - HKCU\..\Run: [WOOKIT] C:\PROGRA~1\Wanadoo\Shell.exe appLaunchClientZone.shl|PARAM= cnx
O4 - HKCU\..\Run: [Skype] "C:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [BitTorrent] "C:\Program Files\BitTorrent\bittorrent.exe" --force_start_minimized
O4 - Global Startup: Antivirus Firewall.lnk = C:\Program Files\AntivirusFirewall\backweb\6588780\Program\fspex.exe
O4 - Global Startup: Démarrage rapide de HP Photosmart Premier.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqthb08.exe
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
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
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_10\bin\npjpi150_10.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_10\bin\npjpi150_10.dll
O9 - Extra button: Protection Internet Explorer - {300DB664-75B5-47c0-8B45-A44ACCF73C00} - C:\Program Files\AntivirusFirewall\Anti-Spyware\ieshield.dll
O9 - Extra 'Tools' menuitem: Protection Internet Explorer... - {300DB664-75B5-47c0-8B45-A44ACCF73C00} - C:\Program Files\AntivirusFirewall\Anti-Spyware\ieshield.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra button: Orange - {1462651F-F4BA-4C76-A001-C4284D0FE16E} - https://www.orange.fr/portail (file missing) (HKCU)
O11 - Options group: [INTERNATIONAL] International*
O14 - IERESET.INF: START_PAGE_URL=https://www.msn.com/fr-fr?cobrand=compaq-notebook.msn.com&ocid=HPDHP&pc=CPNTDF
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab31267.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab31267.cab
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxdev.dll
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: AddFiltr - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\AddFiltr.exe
O23 - Service: Antivirus Firewall (BackWeb Plug-in - 6588780) - Securitoo Portal - C:\PROGRA~1\ANTIVI~1\backweb\6588780\Program\SERVIC~1.EXE
O23 - Service: EPSON Printer Status Agent2 (EPSONStatusAgent2) - SEIKO EPSON CORPORATION - C:\Program Files\Fichiers communs\EPSON\EBAPI\SAgent2.exe
O23 - Service: FSGKHS (F-Secure Gatekeeper Handler Starter) - F-Secure Corporation - C:\Program Files\AntivirusFirewall\Anti-Virus\fsgk32st.exe
O23 - Service: fsbwsys - F-Secure Corp. - C:\Program Files\AntivirusFirewall\backweb\6588780\program\fsbwsys.exe
O23 - Service: F-Secure Anti-Virus Firewall Daemon (FSDFWD) - F-Secure Corporation - C:\Program Files\AntivirusFirewall\FWES\Program\fsdfwd.exe
O23 - Service: F-Secure Management Agent (FSMA) - F-Secure Corporation - C:\Program Files\AntivirusFirewall\Common\FSMA32.EXE
O23 - Service: France Telecom Routing Table Service (FTRTSVC) - France Telecom - C:\WINDOWS\System32\FTRTSVC.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\Fichiers communs\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: Windows Server Management Services (WSMSPSVC) - Unknown owner - C:\WINDOWS\msngr.exe

Que dois je faire par la suite? ou que dois je suprimer?

merci d'avance.