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.
Genera un perfil del actor con IA (defensivo) cuando lo pidas.
Este grupo no tiene TTPs curadas. Puedes generar un mapeo MITRE ESTIMADO por IA (no confirmado) a partir de su descripción/notas, solo cuando lo pidas.
Para detección/bloqueo en tu EDR/SIEM. Fuente: ransomware.live.
Firma de detección defensiva para este grupo (úsala en tu EDR/SIEM). Fuente: ransomware.live.
/*
J ransomware
*/
rule J_Ransomnote
{
meta:
author = "ransomware.live"
family = "ransomware.j"
description = "Detects J ransomware ransom note or artifact"
date = "2026-05-04"
severity = 7
score = 70
strings:
$name1 = "J" ascii nocase
$name2 = "J" ascii
$onion = "j.onion" ascii nocase
condition:
any of them
}
[AI generated] N/A
[AI generated] Fecovita is Argentina's largest wine co-operative and exporter, representing over 29 co-operative wineries. Founded in 1991, the company is made up of 5,000 farmers who together own 25% of the vineyards of the province of Mendoza. They produce a wide range of wines, from premium to everyday table wines, which they export to over 20 countries around the world.
| Organización | País | Sector | Grupo | Descubierta |
|---|---|---|---|---|
| aym.com.mx | MX | Technology | — | 5 ago 2025 |
| fecovita.com | AR | Agriculture and Food Production | — | 21 jun 2025 |
| venezolanadepinturas.com | VE | Manufacturing | — | 2 jun 2025 |
| daycohost.com | VE | Technology | — | 1 jun 2025 |
| psec.com.ar | AR | Not Found | — | 12 may 2025 |
| brdigital.net.br | BR | Technology | — | 12 may 2025 |
| uva.edu.br | BR | Education | — | 2 may 2025 |
| atp.chaco.gob.ar | AR | Public Sector | — | 2 may 2025 |
Las direcciones de los sitios de filtración (.onion) se conocen pero no se publican ni se enlazan. Solo se muestran metadatos públicos. ética
[AI generated] Venezolana de Pinturas is a Venezuelan company specializing in the production and commercialization of architectural, industrial, and automotive paint products. Their extensive range includes water and oil-based paints, varnishes, enamels, and other related materials. They focus on innovation and are committed to developing high-quality environmentally friendly products. Venezolana de Pinturas prides itself on its commitment to customer satisfaction and contribution to the national industry.
[AI generated] Daycohost is a Latin American company specializing in comprehensive IT services. Headquartered in Caracas, Venezuela, the company offers a wide range of services including cloud storage, colocation, managed hosting, data recovery and cybersecurity solutions. The goal of Daycohost is to support and guide businesses in their digital transformation process. It is an ISO 9001: 2008 certified company known for providing secure and reliable services.
[AI generated] N/A
[AI generated] N/A