: When unzipped, it expands into petabytes (thousands of terabytes) of data.

: The zipped file is only a few kilobytes or megabytes.

🚀 : Never extract a compressed file from an untrusted source, even if the file size looks "harmlessly" small. If you'd like, I can:

Explain the of how data is compressed so tightly List other famous ZIP bombs (like 42.zip) Tell you how modern antivirus detects these today

: It is often sent to email servers to "blow up" their antivirus scanners. When the scanner tries to inspect the file, it crashes the security software.

The file is a notorious example of a "ZIP bomb" (or "decompression bomb"), a malicious archive file designed to crash or disable the system reading it. ⚠️ What is Dear-Monster.zip?