Ransomcortex Ransomware
TrackedThreat actor group tracked in the global ransomware database · Last disclosure: Jul 12, 2024
ThreatAI Analysis
Compiled from the ransomware.live profile for Ransomcortex and from this database. Figures and technique mappings are quoted from the source data, not inferred.
Who Ransomcortex is
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.
Recorded activity
Disclosures attributed to Ransomcortex in this database run from July 2024 to July 2024, totalling 4 victims — 0% of everything tracked here. Ransomcortex has listed victims in 1 countries in this database, most often Brazil. The sectors appearing most in its listings are Healthcare, Manufacturing, Hospitality and Tourism.
YARA detection rules
ransomcortex.yar
/*
ransomcortex ransomware
*/
rule ransomcortex_Ransomnote
{
meta:
author = "ransomware.live"
family = "ransomware.ransomcortex"
description = "Detects ransomcortex ransomware ransom note or artifact"
date = "2026-05-04"
severity = 7
score = 70
strings:
$name1 = "ransomcortex" ascii nocase
$name2 = "RANSOMCORTEX" ascii
$onion = "ransomcortex.onion" ascii nocase
condition:
any of them
}Community-contributed rules for Ransomcortex, reproduced as published. Test them against your own corpus before relying on them: rule quality and false-positive behaviour vary by author.
Threat Actor Analysis
Ransomcortex is a ransomware threat group that has disclosed 4 victims in publicly accessible leak site data, representing 0% of all ransomware attacks tracked in this database. The earliest victim disclosure attributed to Ransomcortex in our dataset dates to July 2024.
Geographically, Ransomcortex has targeted organisations in 1 countries. The most frequently targeted nation is Brazil with 2 victim organisations.
Industry-wise, Ransomcortex shows a concentration in the Healthcare, Manufacturing, Hospitality and Tourism sectors. These industries are frequently targeted because they manage sensitive data, critical operations, or have lower tolerance for operational downtime — conditions that increase ransom payment likelihood.
Like most modern ransomware operations, Ransomcortex likely employs a double extortion model: encrypting victim files while simultaneously exfiltrating data, creating dual pressure to pay the ransom. Victim organisations that refuse payment face having their data published on the group's dark web leak site.
Note: This profile is generated from public leak site disclosures aggregated via the ransomware.live API. Data is updated automatically. The table below lists the 4 most recent of the 4 disclosures we hold for this group; use the link beneath it to page through all of them.
Recent Victim Disclosures (showing 4 of 4)
| # | Organization | Country | Sector | Date |
|---|---|---|---|---|
| 1 | painproclinics.com painproclinics.com | — | Healthcare | Jul 12, 2024 |
| 2 | perfeitaplastica.com.br perfeitaplastica.com.br | 🇧🇷 Brazil | Manufacturing | Jul 12, 2024 |
| 3 | www.donaanita.com www.donaanita.com | — | Hospitality and Tourism | Jul 12, 2024 |
| 4 | www.respirarlondrina.com.br www.respirarlondrina.com.br | 🇧🇷 Brazil | Healthcare | Jul 12, 2024 |
Frequently Asked Questions
What is Ransomcortex ransomware?
Ransomcortex is a ransomware threat group that has claimed 4 victims since its first known activity in July 2024. The group operates by infiltrating target networks, exfiltrating data, encrypting files, and threatening to publish stolen data on a dark web leak site if the ransom is not paid.
How many victims has Ransomcortex attacked?
Ransomcortex has claimed 4 victims in our database, representing 0% of all tracked ransomware attacks. The most targeted countries are Brazil.
Which countries does Ransomcortex target?
Ransomcortex has attacked organizations in 1 countries. The top targeted countries are: Brazil.
Which industries does Ransomcortex target?
Ransomcortex most frequently targets the Healthcare, Manufacturing, Hospitality and Tourism sectors based on victim disclosures in our database.
Is Ransomcortex still active?
Ransomcortex's most recent victim disclosure in our database was on July 12, 2024. Ransomware groups frequently rebrand or go dormant; monitor this page and our ransomware map for the latest activity.