Ransomware Research
ACCDFISA Ransomware
ACCDFISA is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2012, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: ACCDFISA v2.0, Anti-Porn Locker, ACCDFISA Protection Program.
Quick Facts
- Ransomware Family
- ACCDFISA
- First Seen
- April 1, 2012
- Known Aliases
- ACCDFISA v2.0Anti-Porn LockerACCDFISA Protection Program
How ACCDFISA Ransomware Works
File Encryption Patterns
ACCDFISA modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..aesRansom Note and Payment Demands
After encrypting files, ACCDFISA displays ransom notes demanding payment for file recovery:
howtodecryptaesfiles.txtRansom message:
notes/howtodecryptaesfiles.txt
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionRansom message:
notes/note1.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with ACCDFISA ransomware:
ADMU.exe
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About This Analysis
This ACCDFISA 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 ACCDFISA.
Last updated: October 30, 2025
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