VOlk-Botnet is designed for local pharming attacks (modifying the hosts file) against banks in Latin America and tries to steal sensitive Internet banking data from unsuspecting users. The latest version of the botnet is aimed at users of major banks with branches in Chile and Argentina: Backdoor.Win32.VBoyu. The following picture shows some of the infected computers specifically in Chile: But we recommend keeping your anti-virus security solution active and updated. This rate is especially high when fused with social engineering.”]
Source: https://securelist.com/latin-american-banks-under-fire-from-the-mexican-volk-botnet/31206/