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
How El-Polocker ransomware works
File encryption patterns
El-Polocker modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, El-Polocker displays ransom notes demanding payment for file recovery:
notes/qwer.html
notes/qwer2.html
notes/locked.bmp
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
About this analysis
This El-Polocker ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like El-Polocker.
Last updated: December 30, 2025
Elastio detects El-Polocker inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify El-Polocker across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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