Ransomware Research
CryptoSomware Ransomware
CryptoSomware is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: FailedAccess.
Quick Facts
- Ransomware Family
- CryptoSomware
- First Seen
- April 1, 2017
- Known Aliases
- FailedAccess
How CryptoSomware Ransomware Works
Targeted Files
Current sample encrypts 'C:\Users\houcemjouini\Desktop\projet sans fils\test' folder only
File Encryption Patterns
CryptoSomware modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..FailedAccessRansom Note and Payment Demands
After encrypting files, CryptoSomware displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with CryptoSomware ransomware:
CryptoSomware.execryptosomware.exe
Elastio Can Help You
Don't let CryptoSomware ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This CryptoSomware 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 CryptoSomware.
Last updated: July 30, 2025