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Ransomware Research
ViperLocker Ransomware
ViperLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2026, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- ViperLocker
- First Seen
- January 1, 2026
How ViperLocker ransomware works
File modification behavior
ViperLocker updates file modification timestamps after encryption.
File encryption patterns
ViperLocker modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .viperlock
Ransom note and payment demands
After encrypting files, ViperLocker displays ransom notes demanding payment for file recovery:
Technical indicators
Associated executable files
The following executable files are associated with ViperLocker ransomware:
- Cheat.txt.hta
About this analysis
This ViperLocker 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 ViperLocker.
Detection coverage
Elastio detects ViperLocker inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify ViperLocker across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.