What is MATCHBOIL? The Russia-aligned malware that installs a spying backdoor
ESET researchers traced almost two years of changes to MATCHBOIL, a downloader that the Russia-aligned group UAC-0099 uses to plant a second program on Windows machines in Ukraine. GUI displayed at MATCHBOIL’s runtime (Source: ESET) Every victim in ESET’s telemetry was in Ukraine: transportation companies in July and August 2025, a manufacturer in December 2025, and an energy company in June 2026. The program MATCHBOIL installs is a spying tool, and the access it creates … More
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