Ransomware group
J ransomware: victims and leak site activity
The J ransomware group has listed 41 victims on its leak site since May 2025; its latest post is from 9 November 2025. Most affected countries: United States, United Kingdom and Argentina. Most targeted sector: Technology.
Total posts
41
First seen
2025-05-02
Latest post
2025-11-09
Countries hit
18
About J
J is an emerging ransomware group that launched its leak site in May 2025, claiming over 41 victims by late 2025 including FAI Aviation Group (Germany), operating primarily as a leak-site-centric extortion identity with limited public technical analysis.
Most targeted countries
- United States 6
- United Kingdom 4
- Argentina 3
- Germany 3
- France 3
- India 3
- Australia 2
- Brazil 2
- Japan 2
- Venezuela 2
Most targeted sectors
- Technology 8
- Manufacturing 6
- Professional Services 5
- Government & Defense 3
- Retail & E-Commerce 3
- Education 2
- Energy & Utilities 2
- Transportation 2
- Agriculture and Food Production 1
- Financial Services 1
J victims per year
All 41 victims
Search every post in the full table.| Victim | Country | Sector | Discovered |
|---|---|---|---|
| ikad.com.au - A 5-Month Staycation in the Defense Supply Chain | Australia | Government & Defense | |
| ****.com.au | — | — | |
| Dimensional Control Systems (3dcs.com) | United States | Technology | |
| multi-media systeme AG (mmsag.de) | Germany | Technology | |
| AZpro Group (azprogroup.com) | United States | Professional Services | |
| Petro-Diamond (petrodiamond.com) - subsidiary of Mitsubishi Corporation | Japan | Energy & Utilities | |
| J. E. Stacey & Co. Ltd (jestacey.com) | United Kingdom | Professional Services | |
| raimore.com | Japan | — | |
| Virtual Projects (virtualprojects.build) | Denmark | Technology | |
| FAI Aviation Group (fai.ag) - The biggest leak ever | Germany | Transportation | |
| southweststone.net | United States | Manufacturing | |
| a********p.com | — | — | |
| aym.com.mx | Mexico | Technology | |
| ppmrecruit.com | United Kingdom | Professional Services | |
| bridgerecruit.co.uk | United Kingdom | Professional Services | |
| restiani.com | Italy | Hospitality | |
| gimaex.com | France | Manufacturing | |
| sou***********.net | — | — | |
| fecovita.com | Argentina | Agriculture and Food Production | |
| rhodar.co.uk | United Kingdom | Other | |
| cisin.com | India | Technology | |
| powells.biz | United States | Retail & E-Commerce | |
| diffazur.fr | France | Retail & E-Commerce | |
| venezolanadepinturas.com | Venezuela | Manufacturing | |
| daycohost.com | Venezuela | Technology | |
| nokotapackers.com | India | Transportation | |
| immobilia.hu | Hungary | Professional Services | |
| psec.com.ar | Argentina | Financial Services | |
| bouygues-es.fr | France | Energy & Utilities | |
| ferretornillos.com | Spain | Manufacturing | |
| ratnasagar.com | India | Education | |
| brdigital.net.br | Brazil | Technology | |
| uva.edu.br | Brazil | Education | |
| ausfec1.com.au | Australia | Other | |
| rosekennedygreenway.org | United States | Government & Defense | |
| jean-petit.lu | Luxembourg | Retail & E-Commerce | |
| atp.chaco.gob.ar | Argentina | Government & Defense | |
| l-a.com.vn | Vietnam | — | |
| automobile-mueller.info | Germany | Manufacturing | |
| laticrete.com.cn | China | Manufacturing | |
| mygoalseek.com | United States | Technology |