Kriptovor is Windows ransomware seen mostly in Russia. Its Neitrino build adds .NEITRINO to files and leaves MESSAGE.txt in each folder, listing a victim ID and an email address to write to. Data theft by this strain is not confirmed. Neitrino descends from the Kriptovor line.
Sources: In-house research
Decryptor: Decryptor availability has not been recorded.
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