Ransomware Research
PewCrypt Ransomware
PewCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- PewCrypt
- First Seen
- February 1, 2019
How PewCrypt Ransomware Works
Targeted Files
Written in JAVA
File Encryption Patterns
PewCrypt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..PewCryptRansom Note and Payment Demands
After encrypting files, PewCrypt 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 PewCrypt ransomware:
PewCrypt.exemyfile.exeWIQMNBER.exePewdiepie_Sub_Bot.exeTrojan.Ransom.PewCrypt.exePVJH4ALK.exe2HX5U54N.exe14KOP6WM.exeWBRwPSh.exePewDecrypt.exe
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About This Analysis
This PewCrypt 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 PewCrypt.
Last updated: July 30, 2025