Here is how to create a piece, based on the technique described in: How to Create a Zombie ZIP (Concept)
Using a hex editor, modify the ZIP file header so the Compression Method field is set to 0 (which tells scanners the file is uncompressed "STORED" data), even though the actual content is still compressed. File: ZOMBI.zip ...
Based on the March 2026 security findings, a "" is a specially crafted archive file designed to evade antivirus detection by exploiting how security tools parse compression metadata. Here is how to create a piece, based
Note: As of March 16, 2026, the tool designed for this is called . A "Zombie ZIP" usually requires a custom loader to decompress the contents, as standard tools like 7-Zip or WinRAR will mark it as corrupted. To help you create a specific file, are you looking to: Test your own system defenses against this method? A "Zombie ZIP" usually requires a custom loader