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