Ransomware Research
WannaSmile Ransomware
WannaSmile is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- WannaSmile
- First Seen
- November 1, 2017
How WannaSmile Ransomware Works
File Encryption Patterns
WannaSmile modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..WSmile..wannasmileRansom Note and Payment Demands
After encrypting files, WannaSmile displays ransom notes demanding payment for file recovery:
How to decrypt files.htmlRansom message:
notes/How to decrypt files.html
Note locations:
RootDiscsDesktopRansom message:
notes/note.txt
Note locations:
LoginTechnical Indicators
Associated Executable Files
The following executable files are associated with WannaSmile ransomware:
WannaSmile.exeTrojan.Ransom.WannaSmile.execlient.exeLocal Security Authority.exemanager.exe
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About This Analysis
This WannaSmile 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 WannaSmile.
Last updated: July 30, 2025