Ransomware Research
Gladius Ransomware
Gladius is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: GladiusCrypt.
Quick Facts
- Ransomware Family
- Gladius
- First Seen
- August 1, 2020
- Known Aliases
- GladiusCrypt
How Gladius Ransomware Works
File Encryption Patterns
Gladius modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
.GLADIUSRansom Note and Payment Demands
After encrypting files, Gladius displays ransom notes demanding payment for file recovery:
Your files are encrypted.txtRansom message:
notes/Your files are encrypted.txt
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About This Analysis
This Gladius 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 Gladius.
Last updated: October 30, 2025
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