Ransomware Research
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
- Ransomware Family
- MaMoCrypter
- First Seen
- December 1, 2019
- Known Aliases
- MaMo434376MaMoMZMZRevenge
How MaMoCrypter Ransomware Works
File Encryption Patterns
MaMoCrypter modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..MaMo434376..MZ173801..Encrypted..Zv7uNRansom Note and Payment Demands
After encrypting files, MaMoCrypter displays ransom notes demanding payment for file recovery:
Read_ME_PLS.txtRansom message:
notes/Read_ME_PLS.txt
Note locations:
DesktopRootDirectoryHow Do I Recover My Files (Readme).txtRansom message:
notes/How Do I Recover My Files (Readme).txt
Note locations:
RootDirectoryUserFoldersTechnical Indicators
Associated Executable Files
The following executable files are associated with MaMoCrypter ransomware:
1.exeProject.exesvchost.exesvchost_xnzhBzR.exeSilici Temizliyici.exeYARRRRRRRRRRRRRRRRRRRRAK.exesvchost.vmps.exeWindowsFormsApp.exeWindowsFormsApp.bin_RMAMO.exeCheats_Loader_protected.exeRansomware downloader yeni.binMaMoCrypter.exeRansomware downloader yeni.bin.exe
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About This Analysis
This MaMoCrypter 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 MaMoCrypter.
Last updated: July 30, 2025