Sifreli 2019 Ransomware
Sifreli 2019 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick facts
How Sifreli 2019 ransomware works
File encryption patterns
Sifreli 2019 modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Sifreli 2019 displays ransom notes demanding payment for file recovery:
notes/fidye-uyari.txt
About this analysis
This Sifreli 2019 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 Sifreli 2019.
Last updated: December 30, 2025
Elastio detects Sifreli 2019 inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Sifreli 2019 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.
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