Infinite.zip

Do not extract unknown or unexpectedly small zip files from untrusted sources. zip and recursive zip bombs ? 42.zip (2004) - Hacker News

"Infinite.zip"—often referred to in technical circles as a type of or decompression bomb (such as the famous 42.zip )—is a maliciously crafted archive file designed to crash, freeze, or overwhelm the storage capacity of any system that attempts to unpack it. Infinite.zip

Modern antivirus software and archiving tools (like 7-Zip) often limit the number of nested levels they will scan or extract to avoid this type of attack. Do not extract unknown or unexpectedly small zip

A tiny compressed file (often only a few kilobytes or megabytes in size) that expands into a gargantuan amount of data (petabytes, exabytes, or "infinite" space) upon extraction. Modern antivirus software and archiving tools (like 7-Zip)

It relies on recursive compression —layers upon layers of nested ZIP files. A single file might contain 100 zip files, each containing 100 more, and so on. 2. How it Works (The Mechanics)