Unlock92 Zipper Ransomware
Unlock92 Zipper is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick facts
How Unlock92 Zipper ransomware works
File encryption patterns
Unlock92 Zipper modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Unlock92 Zipper displays ransom notes demanding payment for file recovery:
notes/pjntxavsdhbrponhdmbl.txt
Technical indicators
Associated executable files
The following executable files are associated with Unlock92 Zipper ransomware:
- Arch.exe
- MSTASIA.A1A
About this analysis
This Unlock92 Zipper 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 Unlock92 Zipper.
Last updated: December 30, 2025
Elastio detects Unlock92 Zipper inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Unlock92 Zipper 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