Ransomware Research

ApolloLocker Ransomware

ApolloLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
ApolloLocker
First Seen
September 1, 2017

How ApolloLocker ransomware works

File modification behavior

ApolloLocker updates file modification timestamps after encryption.

File encryption patterns

ApolloLocker modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .locked

Ransom note and payment demands

After encrypting files, ApolloLocker displays ransom notes demanding payment for file recovery:

file/^DOSYALARI-KURTAR [0-2{1}]\.txt$/
notes/DOSYALARI-KURTAR 0.txt

Location: Desktop

file/^DOSYALARI-KURTAR [0-2{1}]\.url$/
notes/DOSYALARI-KURTAR 0.url

Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with ApolloLocker ransomware:

  • ApolloLocker.exe
  • 1.exe

About this analysis

This ApolloLocker 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 ApolloLocker.

Last updated: February 24, 2023

Detection coverage

Elastio detects ApolloLocker inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify ApolloLocker 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.