Ransomware Research
Tohnichi Ransomware
Tohnichi is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2021, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Mallox.
Quick Facts
- Ransomware Family
- Tohnichi
- First Seen
- June 1, 2021
- Known Aliases
- Mallox
How Tohnichi Ransomware Works
File Encryption Patterns
Tohnichi modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..tohnichi..herrco..mallox..brg..architek..exploit..carone..avast..consultransom..devicZz..acookies..bozon3..bozon..FARGO..FARGO2..artiis..bitencRansom Note and Payment Demands
After encrypting files, Tohnichi displays ransom notes demanding payment for file recovery:
How to decrypt files.txtRansom message:
notes/How to decrypt files.txt
Note locations:
EveryFolderRECOVERY INFORMATION.txtRansom message:
notes/RECOVERY INFORMATION.txt
Note locations:
EveryFolderFILE RECOVERY.txtRansom message:
notes/FILE RECOVERY.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Tohnichi ransomware:
local.exeConsoleApp2.exeaRX-00-23-93.exeshare.exemallox.exehbatka.exeFusContainer.exeRansom.exeOfdds.exeDTEAOK7H.exearx777-Ofdds.exeYjnds.exearx777-ofdds.exeyjnds.exe
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About This Analysis
This Tohnichi 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 Tohnichi.
Last updated: October 30, 2025
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