message
notes/note.txt
Location: OnceOnCompletion
Ransomware Research
Shadowlock v9 Ransomware
Shadowlock v9 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- Shadowlock v9
- First Seen
- December 1, 2025
How Shadowlock v9 ransomware works
File modification behavior
Shadowlock v9 updates file modification timestamps after encryption.
File encryption patterns
Shadowlock v9 modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .LOCKEDxX
Ransom note and payment demands
After encrypting files, Shadowlock v9 displays ransom notes demanding payment for file recovery:
About this analysis
This Shadowlock v9 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 Shadowlock v9.
Detection coverage
Elastio detects Shadowlock v9 inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Shadowlock v9 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.