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Ransomware Research
Cylance Ransomware
Cylance is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Cylance
- First Seen
- March 1, 2023
How Cylance Ransomware Works
File Encryption Patterns
Cylance modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..Cylance
..Lattice
Ransom Note and Payment Demands
After encrypting files, Cylance displays ransom notes demanding payment for file recovery:
CYLANCE_README.txt
Ransom message:
notes/CYLANCE_README.txt
Note locations:
EveryFolder
LATTICE_README.txt
Technical Indicators
Associated Executable Files
The following executable files are associated with Cylance ransomware:
vbc.exe
327339___490a2d09-f929-42da-8cd8-351fda833826.exe
.exe
cylance.exe
Crypter.exe
Crypter.exe2
276608___be4c74b6-64fb-40af-b35d-299f2416f0ec.exe
windows.exe
Elastio Can Help You
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About This Analysis
This Cylance 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 Cylance.
Last updated: July 30, 2025