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Unlock92 Ransomware (<Folder Name>-<5-Digit English Small Letter>.zip)

  • Distribution Method : Unknown
  • MD5 : 57931947a5afd6c9e7adc566ae88a4e6
  • Major Detection Name : Gen:Variant.Ransom.Unlock92.24 (BitDefender), Ransom_ZIPPER.THGBOAH (Trend Micro)
  • Encrypted File Pattern : <Folder Name>-<5-Digit English Small Letter>.zip
  • Payment Instruction File : <20-Digit English Small Letter>.txt
  • Major Characteristics :
     - Offline Encryption
     - Kozy.Jozy / Naampa / Unlckr Ransomware series
     - The Russian users targeted
     - Compress target files to single password protected zip file and change original files to 1 byte.