Cyborg Ransomware
Cyborg is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick facts
How Cyborg ransomware works
File encryption patterns
Cyborg modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Cyborg displays ransom notes demanding payment for file recovery:
notes/Cyborg_DECRYPT.txt
notes/READ_IT.txt
Technical indicators
Associated executable files
The following executable files are associated with Cyborg ransomware:
- syborg1finf.exe
- yarraq.bin
- Stubctborgfinrrrrrrrrrrrrrrr.exe
- Bitcoin Fake Transaction (Replace-by-fees).exe
- Cyborg Builder Ransomware V 1.0 inti ded0dot.exe
- Malware (38).exe
- Cyborg Builder Ransomware V 1.0.exe
- Cyborg Ransomware Builder V1.0.exe
- hidden-tear.exe
- urgently.exe
- Locker.exe
Recovery and decryption tools
Decryption tools may be available for Cyborg. Review the resources below:
About this analysis
This Cyborg ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like Cyborg.
Last updated: December 30, 2025
Elastio detects Cyborg inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Cyborg across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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