Ransomware Research

SyncCrypt Ransomware

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

Quick facts

Ransomware Family
SyncCrypt
First Seen
August 1, 2017

How SyncCrypt ransomware works

File modification behavior

SyncCrypt updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • .kk

Ransom note and payment demands

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

filereadme.html
notes/readme.html

Location: Desktop

filereadme.png
notes/readme.png

Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with SyncCrypt ransomware:

  • SyncCrypt_Mal_WSF.wsf
  • CourtOrder_845493809.wsf
  • sync.exe
  • 003_JPG.arrival.jpg
  • 1503965176-arrival.jpg
  • X8IOl.jpg
  • arrival.jpg
  • SyncCrypt_Mal_JPG.jpg
  • arriaval.jpg

About this analysis

This SyncCrypt 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 SyncCrypt.

Last updated: May 18, 2023

Detection coverage

Elastio detects SyncCrypt inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify SyncCrypt 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.