The vexy ransomware ransomware group listed Franc-Oil on its data leak site on 2026-11-12. Country: NG Sector: Energy & Utilities Domains named: franc-oiloffshore.com.ng Claim as published on the leak site: Franc-Oil is a Nigerian offshore and marine services company specializing in vessel chartering, marine logistics, dredging, crew management, offshore construction and oilfield support. It provides maritime and technical solutions to support operations in the oil and gas industry.