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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
..Zv7uN
Ransom Note and Payment Demands
After encrypting files, MaMoCrypter displays ransom notes demanding payment for file recovery:
Read_ME_PLS.txt
Ransom message:
notes/Read_ME_PLS.txt
Note locations:
Desktop
RootDirectory
How Do I Recover My Files (Readme).txt
Ransom message:
notes/How Do I Recover My Files (Readme).txt
Note locations:
RootDirectory
UserFolders
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
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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