MALWARE FAMILY💰 FINANCIALHIGH

Medusa

Internal ID: win.medusa
1
aliases
Last seen:Mar 17, 2026

Intelligence Profile

According to Unit 42, Medusa surfaced as a ransomware-as-a-service (RaaS) platform in late 2022 and gained notoriety in early 2023, primarily targeting Windows environments. Medusa should not be confused with a similarly named RaaS, MedusaLocker, which has been available since 2019.

Threat Analysis

Medusa is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

Financially motivated threat actors like Medusa prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.

With high sophistication, Medusa is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.

External References

Quick Facts

TypeMalware Family
Motivation💰 financial
Sophisticationhigh
Aliases1

Also Known As

win.medusa

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.
Medusa — Malware Family | Threat Intelligence | CTIWATCH.COM