MarsJoke
- Malware type
- ransomware
- Family
- Malware family
- Profile updated
- 2026-07-07 13:37:59
Targeted industries: government-and-public-sector education-and-nonprofits
Targeted regions: country_code:us country_code:ru
Context
MarsJoke is a ransomware known for targeting government and educational sectors. It was observed propagating via large-scale email campaigns, encrypting victim files, and demanding a ransom payment for decryption.
Reports & references
- securelist.ru — Polyglot The Fake Ctb Locker (report)
- proofpoint.com — Marsjoke Ransomware Mimics Ctb Locker (report)
- id-ransomware.blogspot.com — Jokefrommars Ransomware (report)