Wintenzz Ransomware
Wintenzz is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2021, this ransomware has been actively targeting systems worldwide.
Quick facts
How Wintenzz ransomware works
File encryption patterns
Wintenzz modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Wintenzz displays ransom notes demanding payment for file recovery:
notes/BUY_WINTENNZ.txt
Technical indicators
Associated executable files
The following executable files are associated with Wintenzz ransomware:
- Wintenzz Ransomware.exe
- winstrt10.exe
- NetSpy_v1.2.8.exe
About this analysis
This Wintenzz ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like Wintenzz.
Last updated: December 30, 2025
Elastio detects Wintenzz inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Wintenzz across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
Recent ransomware
Explore other threats in our database