Boston-situated Trusteer, an in-browser Web-safety provider is cautioning of the polymorphic malicious software "Shylock" re-emerging apparently 'with revenge' to again steal financial information from the PCs of consumers. Previously, Trusteer noticed the malware back in September 2011.
Researchers state that a distinguishing feature about this malware is that it can nearly wholly evade anti-viruses' detection once loaded onto a system. The evasion involves a peculiar process of three stages, they add.
First, Shylock inserts itself into active software programs for concealing its operation. While it's really the software which's visibly active, Shylock doesn't run like another process thereby posing problem in its detection.
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