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# Trojan Horse "BackDoor.Agent.BA"

## 5 posts in this topic

Hello and thank you all in advance who help fight against spyware.

I recently had some nasty spyware that Autodad helped me eradicate. (Thank you Autodad!) Now I am trying to help my brother clean up his laptop. I went through the HiJackThis do-it-yourself walkthrough but can't seem to get this one last Trojan Horse "BackDoor.Agent.BA".. I have tried to get rid of it with HiJackThis, AVG Anti-Virus, Ad-Aware and Spybot S&D.

Below is the most recent HiJackThis log... you'll notice at the bottom... 018 and 020... after trying to eliminate the trojan at 020, 018 appeared, which I couldn't fix either. Your assistance in this matter will be greatly appreciated as I do realize that the helpers here do this voluntarily. Thanks again.

Logfile of HijackThis v1.98.0

Scan saved at 9:04:12 AM, on 7/5/2004

Platform: Windows XP SP1 (WinNT 5.01.2600)

MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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\system32\spoolsv.exe

C:\WINDOWS\System32\Ati2evxx.exe

C:\PROGRA~1\Grisoft\AVG6\avgserv.exe

C:\WINDOWS\Explorer.EXE

C:\WINDOWS\system32\slserv.exe

C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe

C:\documents and settings\jaran\local settings\temp\Gl.exe

C:\PROGRA~1\Grisoft\AVG6\avgcc32.exe

C:\Program Files\Hewlett-Packard\HP Software Update\HPWuSchd.exe

C:\Program Files\HP\hpcoretech\hpcmpmgr.exe

C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpotdd01.exe

C:\WINDOWS\System32\plxozi.exe

C:\WINDOWS\System32\wuauclt.exe

C:\PROGRA~1\Yahoo!\browser\ycommon.exe

C:\Program Files\Yahoo!\browser\ybrwicon.exe

C:\HJT\HijackThis.exe

O2 - BHO: (no name) - {3B8C3306-EF1C-05CC-D957-645504A77A45} - C:\WINDOWS\System32\yxy.dll

O2 - BHO: Band Class - {C5183ABC-EB6E-4E05-B8C9-500A16B6CF94} - C:\Program Files\SEP\sep.dll

O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe

O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe

O4 - HKLM\..\Run: [synTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe

O4 - HKLM\..\Run: [synTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe

O4 - HKLM\..\Run: [EM_EXEC] C:\PROGRA~1\Logitech\MOUSEW~1\SYSTEM\EM_EXEC.EXE

O4 - HKLM\..\Run: [Gl] C:\documents and settings\paul bonaldi\local settings\temp\Gl.exe

O4 - HKLM\..\Run: [4398WHP3XGXEDZ] C:\WINDOWS\System32\Reyd4kLS.exe

O4 - HKLM\..\Run: [Dsi] C:\WINDOWS\System32\dp-him.exe

O4 - HKLM\..\Run: [emsw.exe] C:\WINDOWS\emsw.exe

O4 - HKLM\..\Run: [AVG_CC] C:\PROGRA~1\Grisoft\AVG6\avgcc32.exe /STARTUP

O4 - HKLM\..\Run: [HP Software Update] "C:\Program Files\Hewlett-Packard\HP Software Update\HPWuSchd.exe"

O4 - HKLM\..\Run: [HP Component Manager] "C:\Program Files\HP\hpcoretech\hpcmpmgr.exe"

O4 - HKLM\..\Run: [DeviceDiscovery] C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpotdd01.exe

O4 - HKCU\..\Run: [Yahoo! Pager] 1

O4 - HKCU\..\Run: [Flapsfjf] C:\WINDOWS\System32\plxozi.exe

O8 - Extra context menu item: Yahoo! Dictionary - file:///C:\Program Files\Yahoo!\Common/ycdict.htm

O8 - Extra context menu item: Yahoo! Search - file:///C:\Program Files\Yahoo!\Common/ycsrch.htm

O9 - Extra button: (no name) - {120E090D-9136-4b78-8258-F0B44B4BD2AC} - C:\WINDOWS\System32\ms.exe (file missing)

O9 - Extra 'Tools' menuitem: MaxSpeed - {120E090D-9136-4b78-8258-F0B44B4BD2AC} - C:\WINDOWS\System32\ms.exe (file missing)

O9 - Extra button: Yahoo! Login - {2499216C-4BA5-11D5-BD9C-000103C116D5} - C:\Program Files\Yahoo!\Common\ylogin.dll

O9 - Extra 'Tools' menuitem: Yahoo! Login - {2499216C-4BA5-11D5-BD9C-000103C116D5} - C:\Program Files\Yahoo!\Common\ylogin.dll

O9 - Extra button: Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\Program Files\Yahoo!\Messenger\yhexbmes.dll

O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\Program Files\Yahoo!\Messenger\yhexbmes.dll

O9 - Extra button: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\System32\Shdocvw.dll

O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} - C:\Program Files\Yahoo!\common\yinsthelper.dll

O16 - DPF: {D18F962A-3722-4B59-B08D-28BB9EB2281E} (PhotosCtrl Class) - http://photos.yahoo.com/ocx/us/yexplorer1_9us.cab

O18 - Protocol: cetihpz - {CF184AD3-CDCB-4168-A3F7-8E447D129300} - C:\Program Files\HP\hpcoretech\comp\hpuiprot.dll

O20 - AppInit_DLLs: C:\WINDOWS\System32\wdmopae.dll

Jaran

aka.. Shlock

ps.. although I already have my own account (Shlock), I created this account (Jaran) for my brother just in case he needs some assistance later.

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Pleeeeaaase respond to this post if you can help... much appreciated.

Shlock

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Trojanhorse.Backdoor.Agent.BA

I have now removed the virus and this is how.............

You have to turn off the system restore as mentioned previously. If you can not find the virus in the System32 folder, do a search for the path in the registry. In my case the file was windows/system32/comami.dll. You can delete the file here but as in my case the file was rewritten, even when deleted in safe mode. To stop this I was told in another forum to rename HKLM/software/microsoft/windowsnt/currentversion/windows/ and rename the path to

HKLM/software/microsoft/windowsnt/currentversion/windows2

rename and then delete the file.

The virus can not rewrite it self if you remae the for-mentioned path.

I reran Avg and was once again was informed that the virus was still there.

I searched the reg and the comami.dll was no longer found. I then went into system32 and did a search and found the file (make certain that the view all hidden files and folders is enabled) but of course access was denied. After rebooting in safe mode I then copied the file to the recycle bin and and deleted it. After like 30 AVG scans, its now clean...

I have been working on this problem for over a week, and have searched all over the net ...

I have been told to use hijack, remove the file in safemode but the file could not be found.

I tried the AVG new tool backdooragent remover and it failed.

I downloaded new updates as I was working on this for several days and rerunning AVG did nothing same deal.. 1 virus found...

Email my@elizabethboro.com if anyone needs help..........