Ransomware Research
Atchbo Ransomware
Atchbo is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Atchbo
- First Seen
- October 1, 2017
How Atchbo Ransomware Works
File Encryption Patterns
Atchbo modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..exoRansom Note and Payment Demands
After encrypting files, Atchbo displays ransom notes demanding payment for file recovery:
/^UnlockYourFiles[0-9]{2}\.txt$/Ransom message:
notes/UnlockYourFiles18.txt
Note locations:
UserFoldersRootDirectoryTechnical Indicators
Associated Executable Files
The following executable files are associated with Atchbo ransomware:
Atchbo Ransomware2.0v.exeAtchbo ExE Binder.exe
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About This Analysis
This Atchbo 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 Atchbo.
Last updated: July 30, 2025