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

File modification behavior

How El-Polocker alters file modification timestamps is not known.

File encryption patterns

El-Polocker modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .ha3

Ransom note and payment demands

After encrypting files, El-Polocker displays ransom notes demanding payment for file recovery:

fileqwer.html
notes/qwer.html

Location: Desktop

fileqwer2.html
notes/qwer2.html

Location: Desktop

screenshot
notes/locked.bmp

Location: 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

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: July 11, 2023

Detection coverage

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 hunt against your recovery points to confirm.