Ransomware Research

SatanCryptor Go Ransomware

SatanCryptor Go is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: M0rphine, Session.

Quick facts

Ransomware Family
SatanCryptor Go
First Seen
October 1, 2019
Known Aliases
  • M0rphine
  • Session

How SatanCryptor Go ransomware works

File modification behavior

SatanCryptor Go updates file modification timestamps after encryption.

File encryption patterns

SatanCryptor Go modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .satan
  • .M0rphine
  • .session

Ransom note and payment demands

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

file# SATAN CRYPTOR #.hta
notes/# SATAN CRYPTOR #.hta

Location: EveryFolder

file# M0rphine Help #.hta
notes/# M0rphine Help #.hta

Location: EveryFolder

file_ÈçºÎ½âÃÜÎÒµÄÎļþ_.txt
notes/_ÈçºÎ½âÃÜÎÒµÄÎļþ_.txt

Location: RootDiscs

Technical indicators

Associated executable files

The following executable files are associated with SatanCryptor Go ransomware:

  • 2019-12-18.exe
  • mor.exe
  • svchost.exe

About this analysis

This SatanCryptor Go 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 SatanCryptor Go.

Last updated: November 10, 2022

Detection coverage

Elastio detects SatanCryptor Go inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify SatanCryptor Go 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.