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Infected with VirTool:Win32/Obfuscator.XZ


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#1 rawstuff

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Posted 11 May 2012 - 08:42 PM

Hello,
I was stupid enough to download an unrated torrent (please don't judge me... i learned my lesson) and after a restart of my pc Malwarebytes started to block svchost.exe wich was connecting to a unknown ip adres.
I did several scans with MBAM, Kaspersky online and Sophos rootkit scanner, finally MSE detected the malware.
The malicious behaviour ended 10 minutes before the MSE scan was completed.

As i understand the file mentioned in the titel is a rootkit and uses encryption to stay hidden from scanners.
I'm not sure if my system is still infected, removing the source might not be enough to ensure a clean system.

I use Windows 7 64 bit.

Hopefully someone can help me,
Thanks in advance

Raw

Edited by rawstuff, 11 May 2012 - 08:45 PM.


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#2 boopme

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Posted 11 May 2012 - 09:24 PM

It is tru that it wil hide or become obfuscated

VirTool:Win32/Obfuscator are detections for programs that have had their purpose obfuscated to hinder analysis or detection by anti-virus scanners. They commonly employ a combination of methods including encryption, compression, anti-debugging and anti-emulation techniques.

These obfuscation techniques are used on various kinds of malware. The malware that lies "underneath" may have virtually any purpose. Hence, there are no obvious symptoms that indicate the presence of this malware on an affected machine.

http://www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=VirTool%3aWin32%2fObfuscator.XZ

You can back up the registry { Windows 7 - Registry - Backup and Restore then Manually remove any of the files listed HERE ,under Manual Removal.

I you are not comfortable doing that,don't. Reply here and we will move you.
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