Ransomware Research
Kangaroo Ransomware
Kangaroo is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Apocalypse-Kangaroo Ransomware.
Quick Facts
- Ransomware Family
- Kangaroo
- First Seen
- November 1, 2016
- Known Aliases
- Apocalypse-Kangaroo Ransomware
How Kangaroo Ransomware Works
File Encryption Patterns
Kangaroo modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..crypted_fileRansom Note and Payment Demands
After encrypting files, Kangaroo displays ransom notes demanding payment for file recovery:
{origin_filename}.Instructions_Data_Recovery.txtRansom message:
notes/magic.mgc.Instructions_Data_Recovery.txt
Note locations:
EveryFileTechnical Indicators
Associated Executable Files
The following executable files are associated with Kangaroo ransomware:
explorerEXPLORER.EXE.MUITrojan.Ransom.Kangaroo.exeApocalypse Ransomware.exeEXPLORER.EXEApocalypse Ransomware..exeApocalypse Ransomware...exeransomware (14).exeexplorer.exe
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About This Analysis
This Kangaroo 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 Kangaroo.
Last updated: October 30, 2025
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