Phobos Malware — Analysis, Campaigns & Threat Activity

Threat entity extracted from intelligence sources

Frequency
19
occurrences
First Seen
December 9, 2025
Last Seen
May 20, 2026

Phobos is a Windows ransomware family historically observed encrypting files on infected hosts and demanding ransom payments.

Overview

Phobos is a Windows ransomware family historically observed encrypting files on infected hosts and demanding ransom payments. While the provided article centers on Makop ransomware exploiting exposed RDP and AV-killer techniques, it does not describe Phobos-specific activity; nonetheless, Phobos remains notable due to its long-standing presence in enterprise-targeted campaigns and its use of post-compromise encryption and extortion-like tactics.

Related Threat Clusters

Recent Intelligence Reports

  • PCrisk guide — www.pcrisk.com · May 20, 2026
  • Risky Bulletin: Iranian hackers are scanning for security cameras to aid missile strikes — News.Risky.Biz · March 6, 2026
  • Phobos Ransomware admin faces up to 20 years after guilty plea — Securityaffairs.Co · March 5, 2026
  • Phobos ransomware leader facing 20 years in prison after pleading guilty to hacking charges — Therecord.Media · March 5, 2026
  • Phobos ransomware leader pleads guilty, faces up to 20 years in prison — Cyberscoop · March 5, 2026
  • Russian Phobos Ransomware Administrator Pleads Guilty to Wire Fraud Conspiracy — Technadu · March 5, 2026
  • Russian Ransomware Operator Pleads Guilty in US — Securityweek · March 5, 2026
  • Phobos ransomware admin pleads guilty to wire fraud conspiracy — Bleepingcomputer · March 5, 2026

CVSS v3.1 Breakdown