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MBAM Pro quarantined audiodg.exe: No Sound


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#1 mstap42

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Posted 13 July 2014 - 01:42 PM

Hello,

 

For several weeks, my PC would occasionally restart spontaneously.  The System Event log cited a problem with ~\Windows\System32\audiodg.exe.

 

During that time, I had occasional problems.  Sometimes no sound from external speakers, sometimes no sound from headphones, sometimes no sound from either.

 

On 6/5/14, MBAM Pro detected Trojan.FakeMS in audiodg.exe and quarantined the file.  Since then I have no sound at all.

 

Drivers on the integrated sound card are up-to-date.  In Control Panel > Sound > Playback tab, the test for "Speakers" showed this error:  "Failed to play test tone."

 

I installed a new sound card in a PCI slot, updated the drivers, and get the same error for testing "Speakers" and "Digital Audio Interface": "Failed to play test tone."

 

It may be coincidence, but it seems likely that audiodg.exe could be involved.

 

Is there a way to know for sure that MBAM's detection was legitimate?

 

What is your advice?

 

Windows 7 Home Premium (64-bit)

 

MBAM Pro 2.0.2.1012

Version: 2.00.2.1012
Malware Database: v2014.07.13.05
Rootkit Database: v2014.07.09.01
License: Premium
Malware Protection: Enabled
Malicious Website Protection: Enabled
Self-protection: Enabled
 
MSSE:
Antimalware Client Version: 4.5.216.0
Engine Version: 1.1.10701.0
Antivirus definition: 1.177.2346.0
Antispyware definition: 1.177.2346.0
Network Inspection System Engine Version: 2.1.10502.0
Network Inspection System Definition Version: 111.31.0.0
 

Thanks,

--Michael

 

 

 

 

 



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#2 hamluis

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Posted 13 July 2014 - 01:50 PM

Audiodg.exe...is a Windows file.  Reinstalling drivers does not affect damaged or missing Windows files.

 

I would try running the sfc /scannow command...this should replace any missing/damaged system files.

 

SFC -SCANNOW Run in Command Prompt at Boot - Windows 7 Forums - http://www.sevenforums.com/tutorials/139810-sfc-scannow-run-command-prompt-boot.html

 

Louis



#3 Orange Blossom

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Posted 13 July 2014 - 01:58 PM

Hello mstap42,

Windows\System32\audiodg.exe is a legitimate system file needed for audio to work. From what you described, that file apparently was corrupted by malware.

I suggest running System File Checker to replace the file. You can find the instructions for running it here: http://support.microsoft.com/kb/929833 Instructions for Windows 7 are down the screen a bit.

Orange Blossom :cherry:

edit: hamluis posted while I was researching and composing. So now you have an additional link with instructions to refer to.

Edited by Orange Blossom, 13 July 2014 - 02:00 PM.

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#4 scotty_ncc1701

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Posted 13 July 2014 - 03:59 PM

http://www.file.net/process/audiodg.exe.html

 

Best of luck!

:bananas: :bounce:



#5 mstap42

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Posted 13 July 2014 - 04:28 PM

hamluis and OrangeBlossom:

:: Thanks for the suggestions and helpful links.  sfc /scannow did it!

 

Before the scan, audiodg.exe was missing from ~\Windows\System32.  After the repair, it was back.  After a restart, the sound works normally!

 

More info:  This was the output in the command interface:

 

   Microsoft Windows [Version 6.1.7600]
   Copyright © 2009 Microsoft Corporation.  All rights reserved.
 
   C:\Windows\system32>sfc /scannow
 
   Beginning system scan.  This process will take some time.
 
   Beginning verification phase of system scan.
   Verification 100% complete.
   Windows Resource Protection found corrupt files but was unable to fix some of them.
   Details are included in the CBS.Log windir\Logs\CBS\CBS.log. For example
   C:\Windows\Logs\CBS\CBS.log
 
The logfile confirmed that audiodg.exe was repaired.  It also listed many others that were repaired and some that were not.  No worries, they've probably been messed up for a while, and they're not causing problems.
 

 

scotty_ncc1701

:: Thanks for the link with additional information on audiodg.exe!

 

Cheers!

--Michael



#6 Orange Blossom

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Posted 13 July 2014 - 09:25 PM

Hello mstap42,

 

You're welcome.  I'm glad the problem is fixed.

 

Orange Blossom :cherry:


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