Ransomware Research
QwertyCrypt Ransomware
QwertyCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2018, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Instalador.
Quick Facts
- Ransomware Family
- QwertyCrypt
- First Seen
- January 1, 2018
- Known Aliases
- Instalador
How QwertyCrypt Ransomware Works
Targeted Files
Doesn't encrypt D drive; Mistake in code, some files with 0 size
File Encryption Patterns
QwertyCrypt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..qwertyRansom Note and Payment Demands
After encrypting files, QwertyCrypt displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with QwertyCrypt ransomware:
Instalador.exeFilecoder.exe
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About This Analysis
This QwertyCrypt 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 QwertyCrypt.
Last updated: July 30, 2025