Ransomware Research
Waldo Ransomware
Waldo is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Waldo
- First Seen
- March 1, 2020
How Waldo Ransomware Works
Ransom Note and Payment Demands
After encrypting files, Waldo displays ransom notes demanding payment for file recovery:
READ_ME.txtRansom message:
notes/READ_ME.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Waldo ransomware:
updateupdate.exe
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About This Analysis
This Waldo 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 Waldo.
Last updated: October 30, 2025
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