Ransomware Research

1337-Locker Ransomware

1337-Locker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
1337-Locker
First Seen
May 1, 2017

How 1337-Locker ransomware works

File modification behavior

1337-Locker updates file modification timestamps after encryption.

File encryption patterns

1337-Locker modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .adr

Ransom note and payment demands

After encrypting files, 1337-Locker displays ransom notes demanding payment for file recovery:

message
notes/note.txt

Location: OnceOnCompletion

Technical indicators

Associated executable files

The following executable files are associated with 1337-Locker ransomware:

  • 20170510_pdf.exe

About this analysis

This 1337-Locker 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 1337-Locker.

Last updated: February 20, 2023

Detection coverage

Elastio detects 1337-Locker inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify 1337-Locker 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.