Gunra
Since Apr 23, 2025, Gunra has listed 54 organizations on its leak site.
Listings per month
- Total listings
- 54
- First listing
- Apr 23, 2025
- Latest listing
- Sep 4, 2026
- MITRE ATT&CK techniques
- 0
Gunra is a financially motivated ransomware group that emerged in April 2025, using double-extortion tactics against real estate, pharmaceuticals, and manufacturing sectors across Japan, Egypt, Panama, Italy, and Argentina, deploying separate Windows and Linux variants with a strict five-day payment deadline.
It posted 35 listings in the last 12 months; the busiest month was April 2026 (16 listings).
Most targeted country: Brazil, with 6 listings (11% of the total).
Most targeted sector: Manufacturing, with 13 listings (24% of the total).
Targeted countries
Showing 10 of 54 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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