Hive and Nefilim affiliate sentenced to 70 months in prison
Artem Stryzhak pleaded guilty in December 2025; the FBI still offers up to $11 million for co-conspirator Volodymyr Tymoshchuk.
Artem Stryzhak pleaded guilty in December 2025; the FBI still offers up to $11 million for co-conspirator Volodymyr Tymoshchuk.
Artem Stryzhak deployed Nefilim in 2021 and Hive against seven organizations, including healthcare and law firms.
The State Department is offering up to $11 million for co-conspirator Volodymyr Tymoshchuk; Hive hit about 1,500 victims worldwide.
Artem Stryzhak, 36, pleaded guilty in December 2025 after extradition from Spain; co-conspirator Tymoshchuk remains sought.
Artem Stryzhak pleaded guilty after attacks on hospitals and large firms; an alleged accomplice remains at large.
Artem Stryzhak pleaded guilty in December 2025; the FBI says the groups caused more than $100 million in losses.
He pleaded guilty after extradition from Spain for attacks from 2018 through 2021; prosecutors still seek co-conspirator Volodymyr Tymoshchuk.
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Swiss prosecutors seek a 12-year sentence for a Ukrainian developer accused in LockerGoga, MegaCortex and Nefilim ransomware attacks causing roughly $160 million in losses.
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