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Crosslock
As of Oct 19, 2026, Crosslock has listed 1 confirmed victim on its leak site since Jul 12, 2025, 0.0% of all victims tracked by Brandefense. Its most targeted country is Brazil (100.0% of its victims) and its most targeted sector is Consulting.
CrossLock is a short-lived Go-based ransomware group that appeared in April 2023 and went dark by July 2023, using Curve25519 and ChaCha20 encryption and double-extortion tactics with only one known confirmed victim in the IT sector in Brazil.
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- Confirmed Victims
- 1
- Rank By Victims
- #365
- Last Leak-Site Post
- Jul 12, 2025
- Top Country
- Brazil
- Top Sector
- Consulting
Victims Posted Per Month.
| Month | Confirmed victims |
|---|---|
| May 2026 | 0 |
| June 2026 | 0 |
| July 2026 | 0 |
| August 2026 | 0 |
| September 2026 | 0 |
| October 2026 (month in progress) | 0 |
| Month | Confirmed victims |
|---|---|
| November 2025 | 0 |
| December 2025 | 0 |
| January 2026 | 0 |
| February 2026 | 0 |
| March 2026 | 0 |
| April 2026 | 0 |
| May 2026 | 0 |
| June 2026 | 0 |
| July 2026 | 0 |
| August 2026 | 0 |
| September 2026 | 0 |
| October 2026 (month in progress) | 0 |
| Month | Confirmed victims |
|---|---|
| July 2025 | 1 |
| August 2025 | 0 |
| September 2025 | 0 |
| October 2025 | 0 |
| November 2025 | 0 |
| December 2025 | 0 |
| January 2026 | 0 |
| February 2026 | 0 |
| March 2026 | 0 |
| April 2026 | 0 |
| May 2026 | 0 |
| June 2026 | 0 |
| July 2026 | 0 |
| August 2026 | 0 |
| September 2026 | 0 |
| October 2026 (month in progress) | 0 |
Latest Crosslock Victims.
Search all 1 →| Victim | Country | Industry | Data claimed | Posted |
|---|---|---|---|---|
| validcertificadora.com.br validcertificadora.com.br | BRBrazil | Consulting, Government and Public Sector | Not stated |
How They Operate.
Crosslock's threat actor profile lists 1 malware and tools, with its targets and related actors.
TTPs, CVEs and malware →Who Crosslock Targets.
Shares are of this group's confirmed victims.History.
First seen in Brandefense data
Busiest month on record: 1 confirmed victims
First confirmed victim listed on its leak site
Most recent leak-site post
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