Ransomware Research

SintaLocker Ransomware

SintaLocker 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
SintaLocker
First Seen
May 1, 2017

How SintaLocker ransomware works

File modification behavior

How SintaLocker alters file modification timestamps is not known.

File encryption patterns

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

Extensions added after encryption
  • .sinta

Ransom note and payment demands

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

fileREADME_FOR_DECRYPT.txt
notes/README_FOR_DECRYPT.txt

Location: UserFolders, RootDiscs

fileREADME_FOR_DECRYPT.md
notes/README_FOR_DECRYPT.md

Technical indicators

Associated executable files

The following executable files are associated with SintaLocker ransomware:

  • Win32.Trojan-Ransom.CryPy.C.exe
  • SintaLocker.exe
  • trojan.generickd.5222586.exe
  • Ransomware 18.exe

About this analysis

This SintaLocker 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 SintaLocker.

Last updated: May 11, 2023

Detection coverage

Elastio detects SintaLocker inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify SintaLocker 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.