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Malware Statistical analysis and countermeasures

Valhalla #1
August 2011

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Metamorphism is becoming complex and harder to detect, so algorithmic approaches for detection is in turn becoming more complex and more infeasible for PCs due to restriction in execution time and memory. The new trend in metamorphic code detection is the statistical analysis. In this article I will give a quick overview on statistical analysis and then explain a new approach appeared in late 2010 called Eigenviruses, and finally, how AVers could beat those techniques.

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