Ransomware Research
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
- Ransomware Family
- Unlock92 Zipper
- First Seen
- July 1, 2018
How Unlock92 Zipper Ransomware Works
Targeted Files
Packs files to archive {foldername}-{random 5 chars}.zip
File Encryption Patterns
Unlock92 Zipper modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./-[a-z]{5}\.zip$/Ransom Note and Payment Demands
After encrypting files, Unlock92 Zipper displays ransom notes demanding payment for file recovery:
/^[a-z]{20}\.txt$/Ransom message:
notes/pjntxavsdhbrponhdmbl.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Unlock92 Zipper ransomware:
Arch.exeMSTASIA.A1A
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About This Analysis
This Unlock92 Zipper 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 Unlock92 Zipper.
Last updated: July 30, 2025