Ransomware Intelligence / Groups / ransomexx

Ransomware group

ransomexx

RansomExx is a ransomware family that targeted multiple companies starting in mid-2020. It shares commonalities with Defray777.

  • 0claims, 7 days
  • 0claims, 30 days
  • 0claims, 90 days
  • 2026-04-16first seen
  • 2026-06-20last seen

These are claims posted by the group on its leak site, counted when we first see them. They are not confirmed incidents, and we never name a victim.

Activity, last 26 weeks

New leak-site claims per week.

Week of 2026-04-20: 0Week of 2026-04-27: 0Week of 2026-05-04: 0Week of 2026-05-11: 0Week of 2026-05-18: 0Week of 2026-05-25: 0Week of 2026-06-01: 0Week of 2026-06-08: 0Week of 2026-06-15: 1Week of 2026-06-22: 0Week of 2026-06-29: 0Week of 2026-07-06: 0Week of 2026-07-13: 0Week of 2026-07-20: 0Week of 2026-07-27: 0Week of 2026-08-03: 0Week of 2026-08-10: 0Week of 2026-08-17: 0Week of 2026-08-24: 0Week of 2026-08-31: 0Week of 2026-09-07: 0Week of 2026-09-14: 0Week of 2026-09-21: 0Week of 2026-09-28: 0Week of 2026-10-05: 0Week of 2026-10-12: 0
Claims per week, oldest to newest. Each bar is a full Monday-to-Sunday week; the newest bar is the current week so far.

Sectors claimed, last 90 days

No claims in this window.

Countries claimed, last 90 days

No claims in this window.

Vulnerabilities ransomexx exploits

Our sources do not attribute specific vulnerabilities to ransomexx yet.

70% of successful ransomware attacks use remote encryption (Microsoft, 2024): files on protected servers are encrypted over the network from a device the attacker controls. Read our remote encryption briefing →

Newest vulnerabilities used by any ransomware group (CISA KEV)
Added CVE Vendor / product Vulnerability
2026-08-18 CVE-2026-59310 Broadcom VMware vCenter Broadcom VMware vCenter Path Traversal Vulnerability
2026-08-05 CVE-2026-63077 JetBrains TeamCity JetBrains TeamCity Deserialization of Untrusted Data Vulnerability
2026-07-29 CVE-2026-20316 Cisco Secure Firewall Management Center (FMC) Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability
2026-07-14 CVE-2026-15410 SonicWall SMA1000 Appliances SonicWall SMA1000 Appliances Code Injection Vulnerability
2026-07-14 CVE-2026-15409 SonicWall SMA1000 Appliances SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
2026-07-01 CVE-2026-45659 Microsoft SharePoint Server Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability
2026-06-25 CVE-2026-12569 PTC Windchill and FlexPLM PTC Windchill and FlexPLM Improper Input Validation Vulnerability
2026-06-12 CVE-2026-35273 Oracle PeopleSoft Enterprise PeopleTools Oracle PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function Vulnerability

Data sources: CISA KEV, Ransomchats, RansomLook, Ransomware.live · updated 1 hour ago

Sector, country and ransom-demand figures are SecuritySnares estimates made with a language model. Leak-site listings are claims by threat actors and are not independently verified; victims are never named unless they have disclosed the incident themselves. Methodology