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RansomwareFinancial

M3rx

M3rx is a ransomware group with a financial motive, tracked by Brandefense. It targets 10 sectors, including Technology and Manufacturing, in 15 countries, including the United States and the United Kingdom.

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Techniques
0
Exploited CVEs
No CVE data
First seen
Apr 29, 2026
Last seen
Aug 14, 2026
Record updated

Who They Target.

Sectors · 10
Countries · 15

About M3rx.

M3rx is a small ransomware group first observed in 2025, using AES-CTR/AES-GCM encryption and targeting organizations in England, the US, Australia, Germany, Italy, and Switzerland, with around eight claimed victims including a Sydney-based property firm.

Last updated Oct 1, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.