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Tag: Brazilian Tetrade

Malware

Ousaban Banking Trojan: Analysis and Mitigation

Ousaban, also known as Javali, is a Brazilian banking trojan targeting Windows users in Spain and Portugal. It uses phishing PDFs with…

banking trojan Brazilian Tetrade geofencing Javali
July 1, 2026
Attack Groups

Brazilian Tetrade: Banking Trojan Syndicate

The Brazilian Tetrade is a group of banking trojans identified by Kaspersky, including Grandoreiro, Guildma, Melcoz, and Ousaban (Javali). They originated in…

banking trojan Brazilian Tetrade Grandoreiro Guildma
July 1, 2026