Encrypted Virus Code: New Spin on Old Trick?

"Some security companies are warning about the dangers they say exist from a new level of cyber attacks based on dynamic code obfuscation. However, makers of top-rated antivirus protection software claim such warnings only amount to a new spin on an old hacker tactic.

Dynamic code obfuscation warnings have raised concern that such attacks could render virus signatures useless. Viruses containing encrypted code hide their payloads from antivirus scanning software and then decrypt once they enter infected computers.

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