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countries_code:RU × victim_sectors:financial × limpar

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krebsonsecurity.com · medium

UK sanctions Cryptomus/Heleket and three payment platforms over crypto laundering that helps Russia evade sanctions

On October 8, the U.K. imposed economic sanctions on Cryptomus (formerly Certa Payments and Xeltox Enterprises, rebranded as Heleket) for processing payments that benefit the Russian government and its financial institutions. The sanctions also cover the virtual payment platforms VexPay, TokenSpot and Tsunami Payments. Experts describe Cr…

welivesecurity.com · high

UAC-0099 evolves MATCHBOIL C# downloader targeting Ukrainian transport, manufacturing and energy firms

ESET documented the evolution of MATCHBOIL, a custom C downloader used by the Russia-aligned cyberespionage group UAC-0099. Samples span April 2024 to April 2026, although CERT-UA first documented the malware in August 2025. Each iteration became more sophisticated, with new obfuscation, sandbox checks and persistence methods. All victims…