The sarcoma ransomware group listed CARSTAR Business Group on its data leak site on 2025-07-14. Country: US Sector: Retail & E-Commerce Domains named: carstar.com, canada.geo Claim as published on the leak site: CARSTAR Business Group CARSTAR Business Group is a company that operates in the Automotive Service & Collision Repair industry. It employs 50to99 people and has 5Mto10M of revenue. The company is headquartered in Ancaster, Ontario, Canada.Geo: Canada - Leak size: 65 GB Archive - Contains: Files