Ransomware Research
NotAHero Ransomware
NotAHero is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2018, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: KyMERA.
Quick Facts
- Ransomware Family
- NotAHero
- First Seen
- July 1, 2018
- Known Aliases
- KyMERA
How NotAHero Ransomware Works
Targeted Files
Packs files to encrypted archives Space in suffix
File Encryption Patterns
NotAHero modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
. locked.zipRansom Note and Payment Demands
After encrypting files, NotAHero displays ransom notes demanding payment for file recovery:
How to recover my files.txtRansom message:
notes/How to recover my files.txt
Note locations:
EveryFolderRansom message:
notes/note.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with NotAHero ransomware:
app1.exeDragon For Hell 2 DOWNLOADER.exe
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About This Analysis
This NotAHero 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 NotAHero.
Last updated: July 30, 2025