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VirTool:Win32/Obfuscator.YJ


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



What to do now

To detect and remove this threat and other malicious software that may have been installed in your computer, run a full-system scan with an up-to-date antivirus product such as the following: For more information about using antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.

Threat behavior

VirTool:Win32/Obfuscator are detections for programs that have had their purpose obfuscated to hinder analysis or detection by antivirus 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.


Symptoms

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.


Prevention


Alert level: Severe
First detected by definition: 1.127.224.0
Latest detected by definition: 1.173.2181.0 and higher
First detected on: May 18, 2012
This entry was first published on: May 21, 2012
This entry was updated on: Jun 01, 2012

This threat is also detected as:
No known aliases