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VirTool:JS/Obfuscator.BN


VirTool:JS/Obfuscator are detections for programs that have had their purpose obfuscated to hinder analysis or detection by anti-virus scanners. They commonly employ a variety of techniques such as encryption.


What to do now

To detect and remove this threat and other malicious software that may be installed on your computer, run a full-system scan with an appropriate, up-to-date, security solution. The following Microsoft products detect and remove this threat:

For more information on antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.

 
For information on additional support options worldwide, see http://www.microsoft.com/protect/support/default.mspx.

Threat behavior

VirTool:JS/Obfuscator are detections for programs that have had their purpose obfuscated to hinder analysis or detection by anti-virus scanners. They commonly employ a variety of techniques such as encryption.
 
These obfuscation techniques are used on various kinds of malware. The malware that lies "underneath" may have virtually any purpose.
 
Analysis by Ray Roberts

Symptoms

VirTool:JS/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
This entry was first published on: Jun 21, 2011
This entry was updated on: Jun 21, 2011

This threat is also detected as:
No known aliases