kraken
- First seen
- 2021-01-01 00:00:00
- Malware type
- ransomware
- Family
- Malware family
- Last IoC activity
- 2026-07-22 00:37:52
- Profile updated
- 2026-07-07 13:42:52
Targeted industries: government-and-public-sector healthcare-and-pharmaceutical
Context
Kraken, also known as HelloKitty, is a ransomware family known for operating a leak site where they publish stolen data from victims. It primarily targets healthcare and government sectors and leverages data encryption and extortion tactics.
Reports & references
- bleepingcomputer.com — Kraken Cryptor Ransomware Masquerading As Superantispyware Security Program (report)
- ransomlook.io — Kraken (report)
- McAfee — Kraken Cryptor Ransomware As A Service (report)
- bleepingcomputer.com — Kraken Ransomware Distributed Via Malware Infected Installers (report)
- research.checkpoint.com — Kraken Cryptor Distributed Infected Installer (report)
- web.archive.org — Blackhat Eu 2010 Carrera Silberman State Of Malware Slides (report)
- malpedia.caad.fkie.fraunhofer.de — Win.Kraken (report)
- McAfee — Fallout Exploit Kit Releases The Kraken Ransomware On Its Victims (report)
- recordedfuture.com — Kraken Cryptor Ransomware (report)