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Ransomware Tracker (Entry #222): Mike Tyson

ID: 1a286e57-27c2-5ae0-8250-f5c2c998de49

STIX ID: report--1a286e57-27c2-5ae0-8250-f5c2c998de49

Feed Name: WatchGuard Secplicity Blog

Threat Score
65/100

Date Published: 2025-03-06

Date Updated: 2026-05-01

Author: Ryan Estes

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This report documents the 'Mike Tyson' ransomware, identified as a likely one-off derivative of the Chaos 5.2 builder. The variant exhibits typical Chaos behaviors — changing desktop wallpaper and encrypting files larger than 2 MB on non-C drives — and uses a ransom note closely matching Chaos 5.2 boilerplate; the report includes ransom note names, images, and encrypted filename patterns.

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