MaMoCrypter Ransomware
MaMoCrypter is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: MaMo434376, MaMo, MZ, MZRevenge.
Quick facts
How MaMoCrypter ransomware works
File encryption patterns
MaMoCrypter modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, MaMoCrypter displays ransom notes demanding payment for file recovery:
notes/Read_ME_PLS.txt
notes/How Do I Recover My Files (Readme).txt
Technical indicators
Associated executable files
The following executable files are associated with MaMoCrypter ransomware:
- 1.exe
- Project.exe
- svchost.exe
- svchost_xnzhBzR.exe
- Silici Temizliyici.exe
- YARRRRRRRRRRRRRRRRRRRRAK.exe
- svchost.vmps.exe
- WindowsFormsApp.exe
- WindowsFormsApp.bin
- _RMAMO.exe
- Cheats_Loader_protected.exe
- Ransomware downloader yeni.bin
- MaMoCrypter.exe
- Ransomware downloader yeni.bin.exe
About this analysis
This MaMoCrypter 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 MaMoCrypter.
Last updated: December 30, 2025
Elastio detects MaMoCrypter inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify MaMoCrypter across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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