Ransomware Research
WastedBit Ransomware
WastedBit is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Wasted, MarioLocker.
Quick Facts
- Ransomware Family
- WastedBit
- First Seen
- November 1, 2019
- Known Aliases
- WastedMarioLocker
How WastedBit Ransomware Works
Targeted Files
Removes original filenames -> Biblio.mdb -> .wasted206 Encrypts first 0x3BE8 bytes https://app.any.run/tasks/cc7aef0d-f231-4311-be21-190e02e321fc/
File Encryption Patterns
WastedBit modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.wasted[0-9]{1,4}$/Ransom Note and Payment Demands
After encrypting files, WastedBit displays ransom notes demanding payment for file recovery:
@Readme.txtRansom message:
notes/@Readme.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with WastedBit ransomware:
WastedBit.exe0000001650.exe
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About This Analysis
This WastedBit 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 WastedBit.
Last updated: July 30, 2025