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Ransomware Research
EvilNominatus Ransomware
EvilNominatus is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2021, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: EvilNominatusCrypto, RozbehCrypt, EvilCrypt, RozbehRevenge.
Quick Facts
- Ransomware Family
- EvilNominatus
- First Seen
- December 1, 2021
- Known Aliases
- EvilNominatusCryptoRozbehCryptEvilCryptRozbehRevenge
How EvilNominatus Ransomware Works
File Encryption Patterns
EvilNominatus modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
.-Locked
Ransom Note and Payment Demands
After encrypting files, EvilNominatus displays ransom notes demanding payment for file recovery:
Ransom message:
notes/message.txt
Note locations:
OnceOnCompletion
NominatusRansomware2Message.txt
Ransom message:
notes/NominatusRansomware2Message.txt
Note locations:
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with EvilNominatus ransomware:
EvilNominatus.exe
EvilNominatusCrypto.exe
Ransom.Nominatus Strikes.exe
TrojanDropper.NominatusStrike.exe
antivirusscan.exe
AntivirusScan.exe
FreeNet.exe
Ransom.EvilNominatus.DiscordTricks.exe
RozbehRevenge.exe
Quax0r.exe
WindowsScan.exe
Triclyde.exe
RozbehOfSatan.exe
Triclyde.exe (WindowsScan.exe)
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About This Analysis
This EvilNominatus 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 EvilNominatus.
Last updated: July 30, 2025