Ransomware Research
ChernoLocker Ransomware
ChernoLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- ChernoLocker
- First Seen
- December 1, 2019
How ChernoLocker Ransomware Works
File Encryption Patterns
ChernoLocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
.(.filelocker@protonmail.ch).(.CHERNOLOCKER)Ransom Note and Payment Demands
After encrypting files, ChernoLocker 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 ChernoLocker ransomware:
Trojan.Ransom.ChernoLocker.exeChernoLocker.exeAdobe Acrobat Activation Patch.exeMobdro For PC.exe
Recovery and Decryption Tools
Good news! Decryption tools are available for ChernoLocker ransomware:
0
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About This Analysis
This ChernoLocker 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 ChernoLocker.
Last updated: October 30, 2025
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