The nova ransomware group listed Eriell on its data leak site on 2026-05-26. Claim as published on the leak site: ERIELL Group RU specializes in providing oil and gas engineering services. The company focuses on advanced drilling solutions and offers a range of services tailored to the energy sector. Its clients include various oil and gas companies seeking innovative drilling technologies and operational enhancements. Established in 2014, ERIELL Group has expanded its workforce and capabilities to serve clients effectively - Nova Provide tree and samples from stolen data to the company when its get in touch with support department.