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Ransomware Research
DoubleLocker Ransomware
DoubleLocker 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. Security researchers also track this malware under the aliases: CryEye.
Quick Facts
- Ransomware Family
- DoubleLocker
- First Seen
- October 1, 2017
- Known Aliases
- CryEye
How DoubleLocker Ransomware Works
Targeted Files
for Android
File Encryption Patterns
DoubleLocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..cryeye
Ransom Note and Payment Demands
After encrypting files, DoubleLocker displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Technical Indicators
Associated Executable Files
The following executable files are associated with DoubleLocker ransomware:
doublelocker.apk
DoubleLockerRansomware.apk
myfile.exe
247856038.apk
760506
8
file.apk
Elastio Can Help You
Don't let DoubleLocker ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This DoubleLocker 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 DoubleLocker.
Last updated: July 30, 2025