Ukrainian national Artem Stryzhak pleaded guilty in federal court in Brooklyn to conspiracy to commit fraud and related activities, including extortion, linked to international ransomware attacks. Stryzhak was arrested in Spain in June 2024 and extradited to the United States on April 30 2025. He faces up to ten years in prison. His co‑conspirator, Volodymyr Tymoshchuk, remains at large and is the subject of a U.S. State Department reward of up to $11 million. The case involves Nefilim ransomware, which targeted high‑revenue companies in the United States, Canada, and Australia, encrypting networks, stealing data, and demanding ransom payments. Stryzhak operated the malware through an online platform managed by Nefilim administrators. The U.S. Attorney’s Office and the FBI conducted the investigation.
https://www.fbi.gov/contact-us/field-offices/newyork/news/ukrainian-national-pleads-guilty-to-conspiracy-to-use-ransomware
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