Ransomware Research
SifreCikis Ransomware
SifreCikis is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: TurkSifre-2.
Quick Facts
- Ransomware Family
- SifreCikis
- First Seen
- November 1, 2020
- Known Aliases
- TurkSifre-2
How SifreCikis Ransomware Works
Targeted Files
NOSAMPLE https://www.bleepingcomputer.com/forums/t/734937/sifrecikis-ransomware-random-pc-id-12-support-topic/
File Encryption Patterns
SifreCikis modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
.\.[A-F0-9]{12}$Elastio Can Help You
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About This Analysis
This SifreCikis 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 SifreCikis.
Last updated: July 30, 2025