Ransomware victim disclosure
← All victimsMC-Rx
Claimed by genesis · listed 2 months ago
Status timeline
- Listed
Mar 31, 2026
- Data leaked
At a glance
About the victim
AI dossier — public-source company profileMC-Rx (formerly MC-21 and ProCare PBM) is a full-service Pharmacy Benefit Management company operating in the United States and Puerto Rico with a combined business presence exceeding 50 years. It serves commercial health plans, employer groups, Medicare Part D, Medicaid Managed Care, hospice organizations, unions, and other plan sponsors. The company offers customized PBM solutions including clinical services, mail order/home delivery, specialty pharmacy, workers' compensation, and a proprietary technology platform.
- Industry
- Pharmacy Benefit Management (PBM) & Healthcare Services
Attack summary
Severity: critical — MC-Rx is a PBM handling regulated health data (PHI) for Medicare Part D, Medicaid, commercial health plans, and other plan sponsors across the US and Puerto Rico. Data published status combined with the nature of the business virtually guarantees exposure of protected health information (PHI) and personally identifiable information (PII) at scale, meeting the critical threshold.The Genesis ransomware group claims to have published data obtained from MC-Rx, with the post marked as 'data_published' and a read time of 13 minutes suggesting substantive content. The specific data types exfiltrated or whether encryption occurred are not explicitly described in the leak post excerpt.
Data the group says was taken
AI dossier — extracted from the leak post- Member/patient records
- Pharmacy benefit management data
- Health plan records
- Medicare/Medicaid managed care data
- Client account information
- Prescription and clinical services data
What the group claims
Formerly MC-21 and ProCare PBM
The leak post
captured from the group's siteGENESIS GENESIS Archive Tags About GENESIS [email protected] Pequod Associates A global leader in the provision of Marine Claims TPA and Recovery services. 2026-05-11 · 1min Pequod Associates HostBooks (HOT!) An accounting software provider. 2026-05-09 · 1min HostBooks (HOT!) Palo Architecture and Planning. 2026-05-09 · 1min Palo Ben F. Barcus and associates pllc A law firm from Tacoma, WA. 2026-05-09 · 1min Ben F. Barcus and associates pllc Rain Makers Solutions Conducting training sessions, engaging with stakeholders, and organizing meetings and events. 2026-05-08 · 1min Rain Makers Solutions Van Atta Engineering A civil engineering and surveying firm located at 570 Congress Park Dr, Dayton, Ohio. 2026-05-08 · 1min Van Atta Engineering Prescott & Holden A legal firm dedicated to safeguard the rights of its clients 2026-05-08 · 1min Prescott & Holden The American Board of Preventive Medicine A healthcare certification organization. 2026-05-08 · 1min The American Board of Preventive Medicine Integrated Process Engineers & Constructors. Specializes in custom modular process systems, offering a wide range of products including bioreactors, filtration systems, and utility sta…
Sources
Source
Indexed 2 months agoThis page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.
