The thegentlemen ransomware group listed Librería Santa Fe on its data leak site on 2026-09-15. Country: AR Sector: Retail & E-Commerce Domains named: santafelibros.com.ar Claim as published on the leak site: santafelibros.com.ar Librería Santa Fe APS S.R.L. is an Argentine book retailer and distributor from Buenos Aires — founded 1996 (SIC 5942 Book Stores, Active status), operating a chain of bookstores (named after Avenida Santa Fe, the city's legendary book district in Barrio Norte) plus B2B book/stationery distribution to schools and institutions across Argentina, with traces in Italian business aggregators (export/Italy-linked operations). Classic family bookselling business — pre-Amazon era model: retail + distribution. Bottom line: a Buenos Aires book chain riding the avenue that made the city UNESCO's 2011 World Book Capital.