Ransomware group
medusalocker
52 claims in 2026 · active 5 of 10 months · last claim 5 October 2026
Claim counts for this group, and the latest organisations it has named. No leaked data.
At a glance
52
Claims in 2026 so far
5
Months of 2026 with claims
May 2026
First claim in 2026
October 2026
Latest claim
January to October 2026
| Month | Claims |
|---|---|
| January 2026 | 0 |
| February 2026 | 0 |
| March 2026 | 0 |
| April 2026 | 0 |
| May 2026 | 16 |
| June 2026 | 0 |
| July 2026 | 11 |
| August 2026 | 10 |
| September 2026 | 13 |
| October 2026 | 2 |
Top industries
- Manufacturing9 17.3%
- Retail & E-Commerce6 11.5%
- Technology6 11.5%
- Government & Defense5 9.6%
- Professional Services5 9.6%
- Other4 7.7%
Top countries
- United States6 11.5%
- Brazil4 7.7%
- Germany4 7.7%
- France4 7.7%
- United Kingdom4 7.7%
- Canada3 5.8%
Industries named in 2026
| Industry | Claims | Share | Bar |
|---|---|---|---|
| Manufacturing | 9 | 17.3% | |
| Retail & E-Commerce | 6 | 11.5% | |
| Technology | 6 | 11.5% | |
| Government & Defense | 5 | 9.6% | |
| Professional Services | 5 | 9.6% | |
| Other | 4 | 7.7% | |
| Not stated | 4 | 7.7% | |
| Agriculture and Food Production | 3 | 5.8% | |
| Education | 3 | 5.8% | |
| Healthcare | 2 | 3.8% |
Countries named in 2026
| Country | Claims | Share | Bar |
|---|---|---|---|
| United States | 6 | 11.5% | |
| Not stated | 5 | 9.6% | |
| Brazil | 4 | 7.7% | |
| Germany | 4 | 7.7% | |
| France | 4 | 7.7% | |
| United Kingdom | 4 | 7.7% | |
| Canada | 3 | 5.8% | |
| United Arab Emirates | 2 | 3.8% | |
| Australia | 2 | 3.8% | |
| Switzerland | 2 | 3.8% |
Recent claims by this group
The latest 14 organisations this group has named in 2026.
| Organisation | Website | Industry | Country | Claimed on |
|---|---|---|---|---|
| Millensys | millensys.com | Technology | Brazil | 5 October 2026 |
| Rueegseggerag | rueegseggerag.ch | Not stated | Switzerland | 5 October 2026 |
| ATCO Ltd | mail.gmail.com | Energy & Utilities | Canada | 28 September 2026 |
| Juntadeandalucia | juntadeandalucia.es | Government & Defense | Spain | 28 September 2026 |
| PKSF: Palli Karma-Sahayak Foundation | 08trl.exit | Financial Services | Bangladesh | 28 September 2026 |
| Premiumfruits | premiumfruits.eu | Agriculture and Food Production | Spain | 28 September 2026 |
| Abv | abv.bg | Other | Bulgaria | 23 September 2026 |
| Aokkef | aokkef.fr | Not stated | France | 23 September 2026 |
| Seznam | seznam.cz | Technology | Czechia | 23 September 2026 |
| Abourametals | abourametals.com | Manufacturing | United Arab Emirates | 12 September 2026 |
| Frisby Roofing (Frisby Construction LLC) | frisbyconstruction.com | Other | United States | 12 September 2026 |
| Praveg Caves Jawai | – | Hospitality | India | 12 September 2026 |
| 瑞祥机电 (Ruixiang Jidian) | – | Manufacturing | China | 12 September 2026 |
| Licindia | licindia.com | Other | India | 2 September 2026 |