Malware
Krachulka
According to ESET, this malware family is a banking trojan and was active in Brazil until the middle of 2019.
Krachulka is a Windows malware family.
Background
ESET reports that this family is a banking trojan that operated in Brazil up until mid-2019. Its standout trait was relying on established cryptographic algorithms to encrypt strings, in contrast to most Latin American banking trojans, which tend to favor homegrown encryption schemes.
Source: Malpedia (Fraunhofer FKIE).