Ransomware Research
Ace Ransomware
Ace is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Ace
- First Seen
- February 1, 2023
How Ace Ransomware Works
File Encryption Patterns
Ace modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..AceRansom Note and Payment Demands
After encrypting files, Ace displays ransom notes demanding payment for file recovery:
COUT.txtNote locations:
RoamingDATA.txtNote locations:
RoamingMessage.txtNote locations:
RoamingNote locations:
LoginTechnical Indicators
Associated Executable Files
The following executable files are associated with Ace ransomware:
SeroXen.dllStub.dll
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About This Analysis
This Ace 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 Ace.
Last updated: July 30, 2025