MALWARE FAMILY💰 FINANCIALHIGH

Chaos

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

Intelligence Profile

In-development ransomware family which was released in June 2021 by an unknown threat actor. The builder initially claimed to be a "Ryuk .Net Ransomware Builder" even though it was completely unrelated to the Ryuk malware family. Presently it appears to contain trojan-like features, but lacks features commonly found in ransomware such as data exfiltration.

Threat Analysis

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

Known Campaigns

Chaos — Active Campaign April 2026

Chaos is conducting an active ransomware campaign targeting organizations across 1 country. 6 confirmed victims recorded in the last 45 days. Campaign status: ACTIVE (last activity 14 Apr 2026).

ACTIVEMEDIUM2026

External References

Quick Facts

TypeMalware Family
Motivation💰 financial
Sophisticationhigh
Aliases1

Also Known As

win.chaos

Research Links

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