Ransomware Research
20dfs Ransomware
20dfs 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. Security researchers also track this malware under the aliases: aksx.
Quick Facts
- Ransomware Family
- 20dfs
- First Seen
- June 1, 2020
- Known Aliases
- aksx
How 20dfs Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
20dfs modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..20dfs..aksx..cryptRansom Note and Payment Demands
After encrypting files, 20dfs displays ransom notes demanding payment for file recovery:
DECODING_FILES.txtRansom message:
notes/DECODING_FILES.txt
FILES_ENCRYPTED.txtWHAT_HAPPENED.txtElastio Can Help You
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About This Analysis
This 20dfs 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 20dfs.
Last updated: July 30, 2025