[virus] infecté par trojan.nebuler

Bonjour,
j'ai été infecté (comme de nombreuses personnes) par trojan.nebuler. D'autres part Infostealer et downloader réaparaissent réguliérement, mais ils sont suppirmés par Norton. Norton system works 2004 détecte mais n'arrive pas à supprimer trojan.nebuler. La dll infectée est C:\WINDOWS\system32\winmbj32.dll . Pouvez vous m'aider ? Merci. Voici le log de hijackthis :

Logfile of HijackThis v1.99.1
Scan saved at 19:46:32, on 03/06/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16441)

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
D:\petites appli telechargées\Appli Cd pc solution 5\Firewall Plus\PC Tools Firewall Plus\FWService.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
c:\program files\fichiers communs\logishrd\lvmvfm\LVPrcSrv.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccSetMgr.exe
C:\WINDOWS\system32\cisvc.exe
D:\petites appli telechargées\Folder size\FolderSizeSvc.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\Program Files\Norton SystemWorks\Norton Antivirus\navapsvc.exe
C:\PROGRA~1\NORTON~1\NORTON~2\NPROTECT.EXE
C:\PROGRA~1\NORTON~1\NORTON~2\SPEEDD~1\NOPDB.EXE
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe
C:\Program Files\Norton SystemWorks\Norton Antivirus\SAVScan.exe
C:\WINDOWS\system32\cidaemon.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\windows\system32\rlvknlg.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe
C:\WINDOWS\Mixer.exe
C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb07.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Multimedia Combo Set\MouseDrv.exe
C:\Program Files\Multimedia Combo Set\PS2USBKbdDrv.exe
C:\Program Files\Fichiers communs\LogiShrd\LComMgr\Communications_Helper.exe
C:\Program Files\Logitech\QuickCam10\QuickCam10.exe
D:\petites appli telechargées\Appli Cd pc solution 5\Firewall Plus\PC Tools Firewall Plus\FirewallGUI.exe
C:\Program Files\Aqua Dock\Aqua Dock.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Documents and Settings\All Users.WINDOWS\Application Data\ypwfkzup.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Fichiers communs\LogiShrd\LComMgr\LVComSX.exe
C:\Program Files\Cegetel\C-BOX\Wizard\QuickAccess.exe
C:\Program Files\Cegetel\C-BOX\Wizard\Agent_WiFi.exe
C:\Program Files\Google\GoogleToolbarNotifier\1.2.1128.5462\GoogleToolbarNotifier.exe
D:\mes thémes perso\Ensemble Thémes XP 3D\CursorXP\CursorXP.exe
D:\Doc marc\mes dossiers\Logiciel anti virus\Spybot\Spybot - Search & Destroy\TeaTimer.exe
C:\Program Files\Fichiers communs\Logishrd\LQCVFX\COCIManager.exe
D:\Pilotes HP psc 1210\Digital Imaging\bin\hpotdd01.exe
C:\Program Files\Windows Desktop Search\WindowsSearch.exe
C:\Program Files\Windows Desktop Search\WindowsSearchIndexer.exe
C:\WINDOWS\system32\taskmgr.exe
C:\Program Files\MSN Messenger\usnsvc.exe
C:\Program Files\Internet Explorer\iexplore.exe
D:\Doc marc\mes dossiers\Logiciel anti virus\Spybot\Spybot - Search & Destroy\SpybotSD.exe
C:\Program Files\Windows Desktop Search\WindowsSearchFilter.exe
C:\Program Files\Fichiers communs\Symantec Shared\NMain.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccLgView.exe
C:\hijackthis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://outlook.live.com/owa/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-fr/?ocid=iehp
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.msn.com/fr-fr/?ocid=iehp
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton SystemWorks\Norton Antivirus\NavShExt.dll
O3 - Toolbar: Windows Live Toolbar - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\Windows Live Toolbar\msntb.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [Soltek] C:\WINDOWS\System32\autorun.exe
O4 - HKLM\..\Run: [C-Media Mixer] Mixer.exe /startup
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb07.exe
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [WireLessMouse ] C:\Program Files\Multimedia Combo Set\MouseDrv.exe
O4 - HKLM\..\Run: [WireLessKeyboard ] C:\Program Files\Multimedia Combo Set\PS2USBKbdDrv.exe
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [RelevantKnowledge] c:\windows\system32\rlvknlg.exe -boot
O4 - HKLM\..\Run: [LogitechCommunicationsManager] "C:\Program Files\Fichiers communs\LogiShrd\LComMgr\Communications_Helper.exe"
O4 - HKLM\..\Run: [LogitechQuickCamRibbon] "C:\Program Files\Logitech\QuickCam10\QuickCam10.exe" /hide
O4 - HKLM\..\Run: [00PCTFW] "D:\petites appli telechargées\Appli Cd pc solution 5\Firewall Plus\PC Tools Firewall Plus\FirewallGUI.exe" -s
O4 - HKLM\..\Run: [Openwares LiveUpdate] C:\Program Files\LiveUpdate\LiveUpdate.exe
O4 - HKLM\..\Run: [Aqua Dock] C:\Program Files\Aqua Dock\Aqua Dock.exe
O4 - HKLM\..\Run: [AcctMgr] C:\Program Files\Norton SystemWorks\Password Manager\AcctMgr.exe /startup
O4 - HKLM\..\Run: [ypwfkzup.exe] C:\Documents and Settings\All Users.WINDOWS\Application Data\ypwfkzup.exe
O4 - HKLM\..\Run: [Genuine] rundll32.exe "C:\WINDOWS\system32\ckaismbc.dll",realset
O4 - HKLM\..\Run: [New.net Startup] rundll32 C:\PROGRA~1\NEWDOT~1\NEWDOT~2.DLL,ClientStartup -s
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Norton SystemWorks] C:\Program Files\Fichiers communs\Symantec Shared\CfgWiz.exe /GUID {DA9935BA-22F7-44ee-BD12-BD8B87700BEA}
O4 - HKCU\..\Run: [Configuration de la C-BOX] C:\Program Files\Cegetel\C-BOX\Wizard\QuickAccess.exe
O4 - HKCU\..\Run: [TVAgent WiFi] C:\Program Files\Cegetel\C-BOX\Wizard\Agent_WiFi.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\1.2.1128.5462\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [Skype] "C:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - HKCU\..\Run: [CursorXP] D:\mes thémes perso\Ensemble Thémes XP 3D\CursorXP\CursorXP.exe
O4 - HKCU\..\Run: [Meteo Fusion] "D:\petites appli telechargées\Appli Cd pc solution 5\MeteoFusion\Meteo Fusion\Meteo Fusion.exe"
O4 - HKCU\..\Run: [SpybotSD TeaTimer] D:\Doc marc\mes dossiers\Logiciel anti virus\Spybot\Spybot - Search & Destroy\TeaTimer.exe
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: hp psc 1000 series.lnk = ?
O4 - Global Startup: hpoddt01.exe.lnk = ?
O4 - Global Startup: Windows Desktop Search.lnk = C:\Program Files\Windows Desktop Search\WindowsSearch.exe
O8 - Extra context menu item: &Windows Live Search - res://C:\Program Files\Windows Live Toolbar\msntb.dll/search.htm
O8 - Extra context menu item: Add to Windows &Live Favorites - https://onedrive.live.com/?id=favorites
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://D:\OFFICE~1\Office12\EXCEL.EXE/3000
O8 - Extra context menu item: S'abonner avec RSS Bandit - C:\Documents and Settings\Marc Society.RENGER-QBXLEAXR\Application Data\RssBandit\iecontext_subscribebandit.htm
O9 - Extra button: Skype - {77BF5300-1474-4EC7-9980-D32B190E9B07} - C:\PROGRA~1\Skype\Phone\IEPlugin\SKYPEI~1.DLL
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - D:\OFFICE~1\Office12\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: 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
O11 - Options group: [INTERNATIONAL] International*
O16 - DPF: {20A60F0D-9AFA-4515-A0FD-83BD84642501} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab56986.cab
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab31267.cab
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - https://harryandmarc.wordpress.com/
O16 - DPF: {5D6F45B3-9043-443D-A792-115447494D24} (UnoCtrl Class) - http://messenger.zone.msn.com/FR-FR/a-UNO1/GAME_UNO1.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab31267.cab
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O16 - DPF: {F5A7706B-B9C0-4C89-A715-7A0C6B05DD48} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab56986.cab
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: ms-help - {314111C7-A502-11D2-BBCA-00C04F8EC294} - C:\Program Files\Fichiers communs\Microsoft Shared\Help\hxds.dll
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FICHIE~1\Skype\SKYPE4~1.DLL
O18 - Filter hijack: text/xml - {807563E5-5146-11D5-A672-00B0D022E945} - C:\PROGRA~1\FICHIE~1\MICROS~1\OFFICE12\MSOXMLMF.DLL
O20 - AppInit_DLLs: wbsys.dll; apitrap.dll
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccSetMgr.exe
O23 - Service: Folder Size (FolderSize) - Brio - D:\petites appli telechargées\Folder size\FolderSizeSvc.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Process Monitor (LVPrcSrv) - Logitech Inc. - c:\program files\fichiers communs\logishrd\lvmvfm\LVPrcSrv.exe
O23 - Service: LVSrvLauncher - Logitech Inc. - C:\Program Files\Fichiers communs\LogiShrd\SrvLnch\SrvLnch.exe
O23 - Service: Service Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - C:\Program Files\Norton SystemWorks\Norton Antivirus\navapsvc.exe
O23 - Service: Norton Unerase Protection (NProtectService) - Symantec Corporation - C:\PROGRA~1\NORTON~1\NORTON~2\NPROTECT.EXE
O23 - Service: PC Tools Firewall Plus (PCToolsFirewallPlus) - PC Tools - D:\petites appli telechargées\Appli Cd pc solution 5\Firewall Plus\PC Tools Firewall Plus\FWService.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
O23 - Service: SAVScan - Symantec Corporation - C:\Program Files\Norton SystemWorks\Norton Antivirus\SAVScan.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FICHIE~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe
O23 - Service: Speed Disk service - Symantec Corporation - C:\PROGRA~1\NORTON~1\NORTON~2\SPEEDD~1\NOPDB.EXE
O23 - Service: Sony SPTI Service (SPTISRV) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\Sptisrv.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe