The avoslocker ransomware group listed Chimbusco on its data leak site on 2022-12-26. Country: CN Sector: Transportation Claim as published on the leak site: Established in 1972, CHIMBUSCO has since reformed with two major shareholders namely, PetroChina and COSCO Group engaging in marine fuel supply of bunker oil, marine lubricants and fresh water as well as trading, blending, transportation and storage of oil products. CHIMBUSCO operates over 50 major ports and 30 branch offices in China, with an operational fleet of over 100 barges.