Ransomware Research

Throwcrypt Ransomware

Throwcrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2025, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Throwcrypt
First Seen
March 1, 2025

How Throwcrypt ransomware works

File modification behavior

Throwcrypt updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • .throwcrypt

Ransom note and payment demands

After encrypting files, Throwcrypt 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 Throwcrypt ransomware:

  • free craft.exe

About this analysis

This Throwcrypt 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 Throwcrypt.

Last updated: September 30, 2026

Detection coverage

Elastio detects Throwcrypt inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Throwcrypt 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.