Ransomware Research
Problem Ransomware
Problem is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2022, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Problem
- First Seen
- January 1, 2022
How Problem Ransomware Works
File Encryption Patterns
Problem modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..problemRansom Note and Payment Demands
After encrypting files, Problem displays ransom notes demanding payment for file recovery:
readme.txtRansom message:
notes/readme.txt
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About This Analysis
This Problem 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 Problem.
Last updated: July 30, 2025