APT / THREAT GROUP💰 FINANCIALHIGH

HDMR

3
aliases
Last seen:Mar 17, 2026

Intelligence Profile

HDMR is a ransomware which encrypts user files and adds a .DMR64 extension. It also drops a ransom note named: "!!! READ THIS !!!.hta".

Threat Analysis

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

External References

Quick Facts

TypeAPT / Threat Group
Motivation💰 financial
Sophisticationhigh
Aliases3

Also Known As

win.hdmrGO-SPORTHDMR

External Intelligence

Malpedia: win.hdmr

Research Links

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