Ransomware Research
Acessd Ransomware
Acessd is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Acessd
- First Seen
- March 1, 2023
How Acessd Ransomware Works
File Encryption Patterns
Acessd modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..acessd
Ransom Note and Payment Demands
After encrypting files, Acessd displays ransom notes demanding payment for file recovery:
How_to_back_files.html
Ransom message:
notes/How_to_back_files.html
Note locations:
EveryFolder
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About This Analysis
This Acessd 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 Acessd.
Last updated: July 30, 2025