Ransomware Research
CradleCore Ransomware
CradleCore is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Cradle.
Quick Facts
- Ransomware Family
- CradleCore
- First Seen
- April 1, 2017
- Known Aliases
- Cradle
How CradleCore Ransomware Works
File Encryption Patterns
CradleCore modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..cradleRansom Note and Payment Demands
After encrypting files, CradleCore displays ransom notes demanding payment for file recovery:
_HOW_TO_UNLOCK_FILES_.htmlRansom message:
notes/_HOW_TO_UNLOCK_FILES_.html
Note locations:
DesktopStartUpTechnical Indicators
Associated Executable Files
The following executable files are associated with CradleCore ransomware:
Trojan.Ransom.CradleCore.execradle.execradleapp_landscape.exes.exeCradle.execopycopy.exe
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About This Analysis
This CradleCore 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 CradleCore.
Last updated: October 30, 2025
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