HOMETHREATSRansomEXX
APT / THREAT GROUP💰 FINANCIALHIGH

RansomEXX

86
victims
7
aliases
Last seen:Mar 17, 2026

Intelligence Profile

According to SentineOne, RansomEXX (aka Defray, Defray777), a multi-pronged extortion threat, has been observed in the wild since late 2020. RansomEXX is associated with attacks against the Texas Department of Transportation, Groupe Atlantic, and several other large enterprises. There are Windows and Linux variants of this malware family, and they are known for their limited and exclusive targeting.

Threat Analysis

RansomEXX is a high-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of financial.

Financially motivated threat actors like RansomEXX 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, RansomEXX is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.

Ransomware Victims (86)

CTIWATCH tracks 86 organizations claimed as victims by RansomEXX on its data leak site, with attack dates, sectors and countries.

View full victims list →

External References

Quick Facts

TypeAPT / Threat Group
Motivation💰 financial
Sophisticationhigh
Aliases7

Also Known As

Defray777RansomEXXDefray 2018win.ransomexxRansom XDefray-777elf.ransomexx

External Intelligence

Malpedia: win.ransomexx

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.