Generic Downloader.ab Trojan

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Generic Downloader.ab Trojan

Post by wilsondr on 5th January 2010, 3:52 am

I have Mcafee 8.7i Enterprise and it catches the files that continue to get created but it does nothing to stop the trojan from re-creating over and over exactly every 5 minutes.

Here is the HiJack This Log....

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 9:49:39, on 1/4/2010
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

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\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
C:\Program Files\McAfee\Common Framework\udaterui.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\McAfee\VirusScan Enterprise\SHSTAT.EXE
C:\Program Files\Roxio\Easy Media Creator 7\Drag to Disc\DrgToDsc.exe
C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
C:\Program Files\McAfee\VirusScan Enterprise\EngineServer.exe
C:\Program Files\McAfee\Common Framework\FrameworkService.exe
C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
C:\Program Files\McAfee\VirusScan Enterprise\VsTskMgr.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\mfevtps.exe
C:\Program Files\McAfee\Common Framework\naPrdMgr.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\HPZipm12.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\McAfee\VirusScan Enterprise\Mcshield.exe
C:\Program Files\McAfee\VirusScan Enterprise\mfeann.exe
C:\Program Files\McAfee\Common Framework\McTray.exe
C:\WINDOWS\System32\alg.exe
C:\Program Files\Microsoft Office\OFFICE11\OUTLOOK.EXE
C:\Program Files\Microsoft Office\OFFICE11\WINWORD.EXE
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Downloads\winlogon.scr
C:\WINDOWS\system32\wbem\wmiprvse.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = m.www.yahoo.com/
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll (file missing)
O2 - BHO: scriptproxy - {7DB2D5A0-7241-4E79-B68D-6309F01C5231} - C:\Program Files\McAfee\VirusScan Enterprise\scriptsn.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [McAfeeUpdaterUI] "C:\Program Files\McAfee\Common Framework\udaterui.exe" /StartedFromRunKey
O4 - HKLM\..\Run: [ShStatEXE] "C:\Program Files\McAfee\VirusScan Enterprise\SHSTAT.EXE" /STANDALONE
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [RoxioDragToDisc] "C:\Program Files\Roxio\Easy Media Creator 7\Drag to Disc\DrgToDsc.exe"
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - [You must be registered and logged in to see this link.]
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll (file missing)
O9 - Extra 'Tools' menuitem: Spybot - Search && Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll (file missing)
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: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - [You must be registered and logged in to see this link.]
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - [You must be registered and logged in to see this link.]
O16 - DPF: {FD0B6769-6490-4A91-AA0A-B5AE0DC75AC9} (Performance Viewer Activex Control) - [You must be registered and logged in to see this link.]
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: McAfee Engine Service (McAfeeEngineService) - McAfee, Inc. - C:\Program Files\McAfee\VirusScan Enterprise\EngineServer.exe
O23 - Service: McAfee Framework Service (McAfeeFramework) - McAfee, Inc. - C:\Program Files\McAfee\Common Framework\FrameworkService.exe
O23 - Service: McAfee McShield (McShield) - McAfee, Inc. - C:\Program Files\McAfee\VirusScan Enterprise\Mcshield.exe
O23 - Service: McAfee Task Manager (McTaskManager) - McAfee, Inc. - C:\Program Files\McAfee\VirusScan Enterprise\VsTskMgr.exe
O23 - Service: McAfee Validation Trust Protection Service (mfevtp) - McAfee, Inc. - C:\WINDOWS\system32\mfevtps.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe

--
End of file - 5796 bytes

Any help you can provide will be very much appreciated. I am a very experienced IT Tech but this one has me stumped.

Thanks,
wilsondr

wilsondr
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Re: Generic Downloader.ab Trojan

Post by Dr Jay on 5th January 2010, 11:14 am

Please download ComboFix from [You must be registered and logged in to see this link.]

[You must be registered and logged in to see this link.]

[You must be registered and logged in to see this link.]

Rename ComboFix.exe to commy.exe before you save it to your Desktop
  • Disable your AntiVirus and AntiSpyware applications, usually via a right click on the System Tray icon. They may otherwise interfere with our tools A guide to do this can be found [You must be registered and logged in to see this link.]
  • Click Start>Run then copy paste the following command into the Run box & click OK "%userprofile%\desktop\commy.exe" /stepdel
  • As part of it's process, ComboFix will check to see if the Microsoft Windows Recovery Console is installed. With malware infections being as they are today, it's strongly recommended to have this pre-installed on your machine before doing any malware removal. It will allow you to boot up into a special recovery/repair mode that will allow us to more easily help you should your computer have a problem after an attempted removal of malware.
  • Follow the prompts to allow ComboFix to download and install the Microsoft Windows Recovery Console, and when prompted, agree to the End-User License Agreement to install the Microsoft Windows Recovery Console


Please note: If the Microsoft Windows Recovery Console is already installed, ComboFix will continue it's malware removal procedures.

Once the Microsoft Windows Recovery Console is installed using ComboFix, you should see the following message:


  • Click on Yes, to continue scanning for malware.
  • When finished, it shall produce a log for you. Please include the contents of C:\ComboFix.txt in your next reply.


Dr. Jay (DJ)


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