Bonjour,
je n'arrive pas a eradiquer 4 trojans DROPPER SMALL 20 bc,startpage 15.an,dropper.delf.3.be;backdoor.irccontact.c.
Startpage et backdoor sont archivés par AVG mais ils reviennent le lendemain tandis que dropper grand prob 
Jai redemarré en mode sans echec et fait un scan avec adaware et spybot mais meme conclusion
Ci joint Rapport de Hijackthis apres scan de AVG.
Logfile of HijackThis v1.99.1
Scan saved at 10:02:45, on 29/06/2005
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
C:\Program Files\FarStone\VirtualDrive\vdtask.exe
D:\PROGRA~1\NOUVEA~1\WFXSWTCH.exe
C:\WINDOWS\system32\wfxsnt40.exe
C:\Program Files\D-Tools\daemon.exe
C:\Program Files\Java\jre1.5.0_02\bin\jusched.exe
C:\Program Files\a2\a2guard.exe
C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
C:\Program Files\GetRight\getright.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\GetRight\getright.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\wdfmgr.exe
C:\WINDOWS\system32\WFXSVC.EXE
C:\Program Files\RealVNC\VNC4\WinVNC4.exe
D:\Program Files\Nouveau dossier\WFXMOD32.EXE
C:\WINDOWS\system32\devldr32.exe
C:\WINDOWS\System32\alg.exe
C:\WINDOWS\System32\svchost.exe
D:\torrents\Azureus\Azureus.exe
C:\Program Files\Java\jre1.5.0_02\bin\javaw.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgwb.dat
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\sergio\Bureau\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://www.google.fr/
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = http:\\proxy.free.fr:80
R3 - Default URLSearchHook is missing
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_5_5_0.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: bho2gr Class - {31FF080D-12A3-439A-A2EF-4BA95A3148E8} - C:\Program Files\GetRight\xx2gr.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - D:\SPYBOT~1\SDHelper.dll
O2 - BHO: Media Playback Support Dll - {9D9A7350-46C9-4E3C-92EF-382B5740A1C3} - C:\WINDOWS\system32\bvicore.dll (file missing)
O3 - Toolbar: &Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_5_5_0.dll
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [AVG7_EMC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
O4 - HKLM\..\Run: [VirtualDrive] C:\Program Files\FarStone\VirtualDrive\vdtask.exe /AutoRestore
O4 - HKLM\..\Run: [WFXSwtch] d:\PROGRA~1\NOUVEA~1\WFXSWTCH.exe
O4 - HKLM\..\Run: [WinFaxAppPortStarter] wfxsnt40.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [DAEMON Tools-1033] "C:\Program Files\D-Tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_02\bin\jusched.exe
O4 - HKLM\..\Run: [eDonkey2000] "D:\edonkey\eDonkey2000\edonkey2000.exe" -t
O4 - HKLM\..\Run: [UpdReg] C:\WINDOWS\UpdReg.EXE
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKCU\..\Run: [Skype] "C:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - HKCU\..\Run: [a-squared] "C:\Program Files\a2\a2guard.exe"
O4 - Global Startup: DSLMON.lnk = C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
O4 - Global Startup: GetRight - Tray Icon.lnk = C:\Program Files\GetRight\getright.exe
O8 - Extra context menu item: &eBay Search - res://D:\eBayTb.dll/RCSearch.html
O8 - Extra context menu item: Download with GetRight - C:\Program Files\GetRight\GRdownload.htm
O8 - Extra context menu item: Open with GetRight Browser - C:\Program Files\GetRight\GRbrowse.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_02\bin\npjpi150_02.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_02\bin\npjpi150_02.dll
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
O12 - Plugin for .dat: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin4.dll
O16 - DPF: {0A5FD7C5-A45C-49FC-ADB5-9952547D5715} (Creative Software AutoUpdate) - http://www.creative.com/su/ocx/15014/CTSUEng.cab
O16 - DPF: {54B52E52-8000-4413-BD67-FC7FE24B59F2} (EARTPatchX Class) - http://files.ea.com/downloads/rtpatch/v2/EARTPX.cab
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://software-dl.real.com/206539 [...] 601_fr.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/ [...] loader.cab
O16 - DPF: {BB21F850-63F4-4EC9-BF9D-565BD30C9AE9} (ASquaredScanForm Element) - http://www.windowsecurity.com/trojanscan/axscan.cab
O16 - DPF: {BFF1950D-B1B4-4AE8-B842-B2CCF06D9A1B} (Zylom Games Player) - http://game18.zylomgames.com/activ [...] player.cab
O16 - DPF: {DB893839-10F0-4AF9-92FA-B23528F530AF} - http://maraster.ihuri.it/exe/1051270.exe
O16 - DPF: {F6ACF75C-C32C-447B-9BEF-46B766368D29} (Creative Software AutoUpdate Support Package) - http://www.creative.com/su/ocx/15014/CTPID.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{F20E6670-CF89-4FFB-99E0-8365B810B0FF}: NameServer = 194.228.2.1 194.228.41.113
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Pml Driver - HP - C:\WINDOWS\system32\HPHipm09.exe
O23 - Service: DelrinaFax PRO (wfxsvc) - Symantec Corporation - C:\WINDOWS\system32\WFXSVC.EXE
O23 - Service: VNC Server Version 4 (WinVNC4) - Unknown owner - C:\Program Files\RealVNC\VNC4\WinVNC4.exe" -service (file missing)
Merci pour un coup de pouce 
