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.

(hex editing) of how the headers are changed? Use the GitHub tool ( cpack ) mentioned in the research? Zombie ZIP method can fool antivirus during the first scan

Here is how to create a piece, based on the technique described in: How to Create a Zombie ZIP (Concept)