Crypto24
Since Apr 8, 2025, Crypto24 has listed 51 organizations on its leak site.
Listings per month
- Total listings
- 51
- First listing
- Apr 8, 2025
- Latest listing
- Oct 27, 2026
- MITRE ATT&CK techniques
- 0
Crypto24 is a double-extortion ransomware-as-a-service group that surfaced on the RAMP forum in mid-2024, targeting large organizations in financial services, healthcare, manufacturing, and technology across Asia, Europe, and North America, with notable victims including CMC Group, Vietnam's second-largest ICT conglomerate.
It posted 19 listings in the last 12 months; the busiest month was March 2026 (5 listings).
Most targeted country: United States, with 8 listings (16% of the total).
Most targeted sector: Technology, with 12 listings (24% of the total).
Targeted countries
Showing 10 of 51 results
What does a ransomware group do?
Ransomware groups break into corporate networks, move data out and encrypt systems. If the ransom is not paid, they list the organization on a leak site and threaten to publish the data.
What should you do if your organization is listed on a leak site?
- Record the listing and any published sample files; do not visit the leak site from the corporate network.
- Isolate affected systems and preserve logs without deleting them.
- Determine which data left the organization; if personal data is involved, review notification obligations with your legal team.
- Make any decision about the ransom demand together with legal, management and incident response.
- Do not bring systems back online before the attacker’s entry point is closed.
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