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Prilex PoS Malware Evolves to Block Contactless Payments to Steal from NFC Cards

February 1, 2023


The Brazilian threat actors behind an advanced and modular point-of-sale (PoS) malware known as Prilex have reared their head once again with new updates that allow it to block contactless payment transactions.

Russian cybersecurity firm Kaspersky said it detected three versions of Prilex (06.03.8080, 06.03.8072, and 06.03.8070) that are capable of targeting NFC-enabled credit cards, taking its criminal scheme a notch higher.

Having evolved out of ATM-focused malware into PoS malware over the years since going operational in 2014, the threat actor steadily incorporated new features that are designed to facilitate credit card fraud, including a technique called GHOST transactions.

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