Ransomware Research
AVCrypt Ransomware
AVCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2018, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: AVKill.
Quick Facts
- Ransomware Family
- AVCrypt
- First Seen
- March 1, 2018
- Known Aliases
- AVKill
How AVCrypt Ransomware Works
File Encryption Patterns
AVCrypt modifies encrypted files using specific patterns to mark them as encrypted:
Prefixes added to encrypted files:
+Ransom Note and Payment Demands
After encrypting files, AVCrypt displays ransom notes demanding payment for file recovery:
+HOW_TO_UNLOCK.txtRansom message:
notes/+HOW_TO_UNLOCK.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with AVCrypt ransomware:
myfile.exeRansomware_AVCrypt.exeSample_5ab64cacdabaeb038fa863ab.exeav2018.exebenedikt richter.exeAdmin.exeAv.exea64dd2f21a42713131f555bea9d0a76918342d696ef6731608a9dbc57b79b32f.bin_used58.exe
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About This Analysis
This AVCrypt 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 AVCrypt.
Last updated: July 30, 2025