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Operator dossier

m3rx is a ransomware operator currently active on public leak sites. Darkfield has indexed 29 public victims claimed by this operator between April 29, 2026 and July 12, 2026. Based on the limited publicly available information, m3rx is an emerging ransomware group first observed in April 2026 with a relatively small victim count of eight organizations, suggesting they are either a newly formed operation or a smaller-scale criminal enterprise focused on financial gain. The group's origin and affiliations remain unclear, with no documented evidence from major security vendors or law enforcement agencies regarding their geographical base, operational structure, or whether they operate as an independent cell or as part of a larger ransomware-as-a-service ecosystem. Their attack methodology and specific technical capabilities have not been extensively documented by established threat intelligence sources, though their targeting pattern indicates a preference for English-speaking nations including Great Britain, Australia, and the United States, as well as operations in Switzerland and Italy, with victims spanning consumer services, business services, technology, and healthcare sectors. No major campaigns, high-profile victims, or significant ransoms have been publicly reported by CISA, FBI, Mandiant, or other reputable security researchers, likely due to the group's recent emergence and limited scope of operations. Given their recent first observation date and small victim count, m3rx appears to be in early operational stages with their current activity status and long-term viability remaining uncertain.

Most-targeted sectors

Most-affected countries

Recent disclosures by m3rx

All 29 indexed disclosures. Click any row for the full per-victim dossier.

See every disclosure indexed for m3rx →

How we know this. Operator profiles on Darkfield are built from continuous monitoring of every leak site the group is known to operate, cross-correlated with community-curated feeds (RansomLook, ransomware.live, RansomWatch, MISP-galaxy). Status flips from active to inactive when no new disclosure appears for 60 days. MITRE ATT&CK mappings shown in the interactive section below are sourced from CISA, vendor analysis, and the MITRE community catalog — we attribute each technique back to its source. Aliases reflect operator re-brands and affiliate splits.

Active ransomware operator

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m3rx

29 victims indexed · first seen 3 months ago · last activity 3 days ago

29
Victims indexed
#144 of 364 tracked operators
3m
Active period
Apr 2026 → Jul 2026
6
Countries hit
top GB · 3

At a glance

Status
active
First seen
3 months ago
Last activity
3 days ago
Onion sites
2 known endpoints
Primary sector
Consumer Services · 3 hits

About

Based on the limited publicly available information, m3rx is an emerging ransomware group first observed in April 2026 with a relatively small victim count of eight organizations, suggesting they are either a newly formed operation or a smaller-scale criminal enterprise focused on financial gain. The group's origin and affiliations remain unclear, with no documented evidence from major security vendors or law enforcement agencies regarding their geographical base, operational structure, or whether they operate as an independent cell or as part of a larger ransomware-as-a-service ecosystem. Their attack methodology and specific technical capabilities have not been extensively documented by established threat intelligence sources, though their targeting pattern indicates a preference for English-speaking nations including Great Britain, Australia, and the United States, as well as operations in Switzerland and Italy, with victims spanning consumer services, business services, technology, and healthcare sectors. No major campaigns, high-profile victims, or significant ransoms have been publicly reported by CISA, FBI, Mandiant, or other reputable security researchers, likely due to the group's recent emergence and limited scope of operations. Given their recent first observation date and small victim count, m3rx appears to be in early operational stages with their current activity status and long-term viability remaining uncertain.

References

1 link

External sources curated by the MISP threat-intel community.

Timeline

1 months
2026-04-01T00:00:00+00:00 · 8
2026-04-01T00:00:00+00:002026-04-01T00:00:00+00:00

Top countries

🇬🇧 United Kingdom
3
🇦🇺 Australia
1
🇺🇸 United States
1
🇨🇭 Switzerland
1
🇮🇹 Italy
1
🇩🇪 Germany
1
United Kingdom dossier →Australia dossier →United States dossier →Switzerland dossier →

Top sectors

Consumer Services
3
Business Services
2
Technology
2
Healthcare
1
Consumer Services dossier →Business Services dossier →Technology dossier →Healthcare dossier →

MITRE ATT&CK

1 techniques · 1 tactics

Tactics

Impact

Techniques

  • T1486Data Encrypted for Impact

Recent victims

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Onion infrastructure

2 known
  • http://4k6plf4h2cm2nco6ae3inrsxnmqgl6lllmwefydhnlcq4tuhwbj4qpad.onion
  • http://pippahtohg6qgioqu3ixrsueefuw7thythmmeanyrgwn3eixcuu6jvqd.onion

Source

Updated 3 days ago

Data on this page is sourced from the group's own leak posts, cross-checked with public ransomware trackers (RansomLook, ransomware.live, RansomWatch), MITRE ATT&CK, and our own Tor and Telegram crawlers. This is a public observatory page — share freely.

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