Ransomware Research
WinWord64 Ransomware
WinWord64 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- WinWord64
- First Seen
- August 1, 2020
How WinWord64 Ransomware Works
Targeted Files
btc address looks like invalid
File Encryption Patterns
WinWord64 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..encryptedRansom Note and Payment Demands
After encrypting files, WinWord64 displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
LoginTechnical Indicators
Associated Executable Files
The following executable files are associated with WinWord64 ransomware:
winword64.exe
Elastio Can Help You
Don't let WinWord64 ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This WinWord64 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 WinWord64.
Last updated: July 30, 2025