Ransomware group profile · #263 by claimed victims
Ransomcortex ransomware
RansomCortex emerged in July 2024 with a narrow focus on healthcare facilities, claiming four victims within days of its first appearance including hospitals in Brazil and Canada, operating as a relatively small and niche group.
Victimology
Who Ransomcortex claims to have breached, from 4 leak-site posts recorded by VULONE.
Claims per month last 12 months
Top sectors
Top countries
Latest claimed victims 4 most recent
| Victim | Sector | Country | Claimed |
|---|---|---|---|
| painproclinics.com painproclinics.com | Healthcare | — | 12 Jul 2024 |
| www.donaanita.com donaanita.com | Hospitality | — | 12 Jul 2024 |
| perfeitaplastica.com.br perfeitaplastica.com.br | Manufacturing | BR | 12 Jul 2024 |
| www.respirarlondrina.com.br respirarlondrina.com.br | Healthcare | BR | 12 Jul 2024 |
All 4 Ransomcortex victims, searchable
Full victim list with claim posts, domains, timing and exports, plus the negotiation chats and leak-site screenshots VULONE archives for this crew.
Tactics, techniques and procedures
ATT&CK technique mapping for Ransomcortex is in progress. Victimology, infrastructure status and leak-site tracking are live above.
Indicators, detections and the full playbook
Hashes, C2 addresses, onion services, Sigma and YARA detections per technique, and the negotiation transcripts are available to signed-in analysts.
Frequently asked
Is Ransomcortex ransomware still active?
How many victims has Ransomcortex claimed?
Which industries does Ransomcortex target?
Which countries are most affected by Ransomcortex?
Where does VULONE get Ransomcortex victim data?
Other ransomware groups
Qilin
Lockbit3
Akira
ClopVictim claims are collected from leak sites and enrichment partners (ransomware.live, RansomLook) and represent the group's own assertions, not confirmed breaches. Profile last updated 16 September 2026. Questions or corrections: [email protected].
