Ensure the CRC-32 checksum matches the uncompressed size, which tricks scanners into treating the compressed noise as harmless.

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.

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.