echo 'X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!' > zzz.com && zip zzz.zip zzz.com 2.2 Zip Bomb (Decompression Bomb) zzz.zip could be a renamed zip bomb – a small archive that expands to petabytes of data (e.g., 42.zip , decompression_bomb.zip ). Attackers use such files to crash AV scanners, logging systems, or file upload handlers.

High – can exhaust disk space or memory if automatically extracted. 2.3 Placeholder in Automation Scripts Developers often use zzz.zip as a dummy filename in CI/CD pipelines, backup rotation tests, or data compression benchmarks. For example: