The "Zombie ZIP" method, associated with files like Age.Of.Undead.zip, uses malformed headers to bypass approximately 95% of antivirus detection by misleading scanners about the compression state. While this technique hides malicious payloads, it requires a custom loader to execute, as standard extraction tools fail to open the malformed file. For the full story, visit Malwarebytes Blog . Zombie ZIP method can fool antivirus during the first scan