Ransomware Research
Lotus Ransomware
Lotus is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2024, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Lotus NAS-Encrypt.
Quick Facts
- Ransomware Family
- Lotus
- First Seen
- May 1, 2024
- Known Aliases
- Lotus NAS-Encrypt
How Lotus Ransomware Works
Targeted Files
NOSAMPLE https://www.bleepingcomputer.com/forums/t/797835/lotus-ransomware-lotus;-readme-lotustxt/
File Encryption Patterns
Lotus modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lotusRansom Note and Payment Demands
After encrypting files, Lotus displays ransom notes demanding payment for file recovery:
README-LOTUS.txtRansom message:
notes/README-LOTUS.txt
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About This Analysis
This Lotus 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 Lotus.
Last updated: July 30, 2025