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Ransomware Research
RansomEXX Ransomware
RansomEXX is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- RansomEXX
- First Seen
- June 1, 2020
How RansomEXX Ransomware Works
Targeted Files
Encrypts first 1Mb
File Encryption Patterns
RansomEXX modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..txd0t
..dbe
..K0N1M1N0
..tjpe911
..3mbr43r
..MNH
..0s
..stj888
Ransom Note and Payment Demands
After encrypting files, RansomEXX displays ransom notes demanding payment for file recovery:
!!KONICA_MINOLTA_README!!.txt
!TXDOT_READ_ME!.txt
Ransom message:
notes/!TXDOT_READ_ME!.txt
Note locations:
EveryFolder
!NEWS_FOR_EIGSI!.txt
Ransom message:
notes/!NEWS_FOR_EIGSI!.txt
!NEWS_FOR_TJPE!
!NEWS_FOR_EMBRAER!.TXT
Technical Indicators
Associated Executable Files
The following executable files are associated with RansomEXX ransomware:
RansomEXX.bin
RansomEXX.RANSOM.exe
RansomEXX_14_12_2020_156KB.exe
66c921c812.exe
l.exe
Elastio Can Help You
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About This Analysis
This RansomEXX ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like RansomEXX.
Last updated: July 30, 2025