fileimportant.txt
notes/important.txt
Ransomware Research
MiHacker Ransomware
MiHacker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- MiHacker
- First Seen
- December 1, 2025
How MiHacker ransomware works
File modification behavior
MiHacker updates file modification timestamps after encryption.
File encryption patterns
MiHacker modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .MiHacker
Ransom note and payment demands
After encrypting files, MiHacker displays ransom notes demanding payment for file recovery:
Technical indicators
Associated executable files
The following executable files are associated with MiHacker ransomware:
- 1.exe
About this analysis
This MiHacker ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like MiHacker.
Detection coverage
Elastio detects MiHacker inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify MiHacker across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.