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Windows 7: Virus: apps won't launch (.exe files)

21 Aug 2011   #1
Riotubes

Win7 Pro 64-bit
 
 
Virus: apps won't launch (.exe files)

I've run microsoft security essentials, malwarebyt's anti-malware and ccleaner in regular and safe mode and can't seem to pick up the virus/trojan that has disabled all my apps (MS office, firefox browser, MSE, etc.). I can get MSE to run (as administrator). When I launch any app, like microsoft word, I get a window that says "app not found".

I also tried reverting to an earlier restore point, but unfortunately they don't go far enough back prior to the issue.

How can I fix this?


My System SpecsSystem Spec
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21 Aug 2011   #2
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Mmm. Perhaps all that is required is this:

Default File Type Associations - Restore

Before you run that, however, can you explain why you think it is a virus/trojan? Did you find any malware with earlier scans? If so, can you recall their name?

Regards,
Golden
My System SpecsSystem Spec
21 Aug 2011   #3
Riotubes

Win7 Pro 64-bit
 
 

Thank you. Your linked worked perfectly. Yes, I did have a trojan quarantined by MSE but I inadvertently deleted the history. Also, the Update does not work on malwarebytes which, in the past, has been a good indicator of a virus.
My System SpecsSystem Spec
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21 Aug 2011   #4
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Nice one - glad its all sorted.

A recommendation - follow this tutorial to "close" any other potential holes:

http://www.sevenforums.com/tutorials...inspector.html

Regards,
Golden
My System SpecsSystem Spec
22 Aug 2011   #5
Riotubes

Win7 Pro 64-bit
 
 

I ran malwarebyts again and it picked up

trojan.fakealerts affecting registry value

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3561584484 (Trojan.FakeAlert) -> Value: 3561584484 -> Quarantined and deleted successfully.
My System SpecsSystem Spec
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 Virus: apps won't launch (.exe files)




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