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
How ACCDFISA ransomware works
File encryption patterns
ACCDFISA modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, ACCDFISA displays ransom notes demanding payment for file recovery:
notes/howtodecryptaesfiles.txt
notes/note.txt
notes/note1.txt
Technical indicators
Associated executable files
The following executable files are associated with ACCDFISA ransomware:
- ADMU.exe
About this analysis
This ACCDFISA ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like ACCDFISA.
Last updated: December 30, 2025
Elastio detects ACCDFISA inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify ACCDFISA across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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