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