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Ransomware Research
El-Polocker Ransomware
El-Polocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2015, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- El-Polocker
- First Seen
- May 1, 2015
How El-Polocker Ransomware Works
Targeted Files
https://www.bleepingcomputer.com/forums/t/575975/the-el-polocker-ransomware-is-no-chicken-as-it-encrypts-your-drives-and-shares/ https://www.symantec.com/connect/blogs/breaking-bad-themed-los-pollos-hermanos-crypto-ransomware-found-wild Written in PowerShell
File Encryption Patterns
El-Polocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..ha3
Ransom Note and Payment Demands
After encrypting files, El-Polocker displays ransom notes demanding payment for file recovery:
qwer.html
Ransom message:
notes/qwer.html
Note locations:
Desktop
qwer2.html
Ransom message:
notes/qwer2.html
Note locations:
Desktop
Ransom message:
notes/locked.bmp
Note locations:
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with El-Polocker ransomware:
x86_1.dl
t.dll
x64_1.dl
sprep64.dll
encrypt.ps1
x86.dl
reflect.dll
x64.dl
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About This Analysis
This El-Polocker 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 El-Polocker.
Last updated: July 30, 2025