Squirter.zip [PLUS ★]

It is frequently used in "browser crashing" links or as a form of denial-of-service (DoS) attack against individuals. Clicking a link that auto-downloads or triggers a preview of Squirter.zip can lock up a user's computer, forcing a hard reboot.

System freeze, browser crash, or "Blue Screen of Death" (BSOD) Usually very small (under 100 KB) Detection Status Highly detectable by modern, updated antivirus software Squirter.zip

Security researchers use files like Squirter.zip to test the "robustness" of firewalls and email gateways. A good security product should identify the file as a "Decompression Bomb" and block it without attempting to open it. It is frequently used in "browser crashing" links

Some versions are designed so that when an antivirus or a browser tries to "peek" inside the file to scan it, the software gets stuck in an infinite or near-infinite loop of extraction. A good security product should identify the file

At its core, Squirter.zip is a "zip-within-a-zip" or a highly optimized file that uses the to its maximum theoretical limit.

The name is a colloquialism within the cybersecurity and "trolling" communities, referring to the way the data "sprays" out and saturates the system's resources the moment the file is interacted with. How It Works

It uses a technique where multiple file headers point to the same compressed data stream. This allows the creator to pack a massive amount of "virtual" data into a tiny physical file.