Researchers at Boston University and King's College London in the U.K., after analyzing more than 1 million samples of Android malware, have found that malware coding is being hidden more cleverly.
The researchers used differential analysis to isolate software components irrelevant to the malware campaign, allowing them to study the behavior of just the malicious parts.
The technique revealed several trends, including a major shift away from malware that supports premium rate fraud.
Said King’s College London’s Guillermo Suarez-Tangil, “We observed that cryptography is present in 90% of the recent families [of malware]. To the best of our knowledge, there are only few malware-detection systems capable of dealing with these forms of obfuscation, and they all have limitations.”
From IEEE Spectrum
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