Overview
BlackNevas is a ransomware group first observed in November 2024, believed to be derived from the Trigona ransomware family, targeting telecommunications, manufacturing, medical, and legal industries primarily in Asia-Pacific, the UK, Italy, and Lithuania using double-extortion with a dual AES/RSA encryption scheme.
- First tracked: 2025-08-06
- Also known as: Trial Recovery
- Discussed in our reports: Gulf summary · Oman · Saudi Arabia · Türkiye · UAE
Geography: origin and targets
No public attribution of origin. Lines are drawn only where public reporting places the operators; flags show where the group has claimed victims, sized by number of claims.
United States of America11
India5
Türkiye4
Italy3
Spain3
United Kingdom3
Japan2
Thailand2
Canada1
Oman1
Exploited vulnerabilities
None recorded in the sources we reviewed.
ATT&CK techniques
None recorded in the sources we reviewed.
Tools
None recorded in the sources we reviewed.
Leak-site infrastructure
| Title | Type | Address (defanged) | Seen online at snapshot |
|---|---|---|---|
| DLS | DLS | ctyfftrjgtwdjzlgqh4avbd35sqrs6tde4oyam2ufbjch6oqpqtkdtid[.]onion | Yes |
Sources and caveats
Group descriptions, ATT&CK mappings, tools and leak-site locations come from public ransomware tracking projects, including ransomware.live and Crocodyli. Exploited vulnerabilities come from the Ransomware-Vulnerability-Matrix by BushidoUK (licensed CC BY 4.0), supplemented where a group profile there is newer than the data we hold. Each CVE links to its original research source. Technical text is shown in English as published. Leak-site addresses are defanged and shown for blocking and detection; do not visit them. Nothing here is verified by ClairSec_ against a specific incident.
Data snapshot: 2026-10-11