Ransomware Research

Satan Cryptor Ransomware

Satan Cryptor is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Satan Cryptor 2.0.

Quick facts

Ransomware Family
Satan Cryptor
First Seen
November 1, 2017
Known Aliases
  • Satan Cryptor 2.0

How Satan Cryptor ransomware works

File modification behavior

Satan Cryptor updates file modification timestamps after encryption.

File encryption patterns

Satan Cryptor modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .satan

Ransom note and payment demands

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

fileHow_to_decrypt_files.txt
notes/How_to_decrypt_files.txt

Location: EveryFolder

fileReadMe.TXT
notes/ReadMe.TXT

Location: RootDirectory

Technical indicators

Associated executable files

The following executable files are associated with Satan Cryptor ransomware:

  • a47799a43cffa71e_srv.exe
  • client.exe
  • carved_0.exe
  • Satan Cryptor v2.exe
  • satan v2.2 ransomware
  • setup.exe

About this analysis

This Satan Cryptor 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 Satan Cryptor.

Last updated: April 23, 2025

Detection coverage

Elastio detects Satan Cryptor inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Satan Cryptor 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.