Ransomware Research

Evilsanta2008 Ransomware

Evilsanta2008 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2026, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Evilsanta2008
First Seen
January 1, 2026

How Evilsanta2008 ransomware works

File modification behavior

Evilsanta2008 updates file modification timestamps after encryption.

File encryption patterns

Evilsanta2008 modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .evilsanta2008

Ransom note and payment demands

After encrypting files, Evilsanta2008 displays ransom notes demanding payment for file recovery:

fileevilsanta2008.html
notes/evilsanta2008.html

Location: Temp

fileREAD_THIS_EVILSANTA2008.txt
notes/READ_THIS_EVILSANTA2008.txt

Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with Evilsanta2008 ransomware:

  • evilsanta2008new.exe

About this analysis

This Evilsanta2008 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 Evilsanta2008.

Last updated: April 1, 2026

Detection coverage

Elastio detects Evilsanta2008 inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Evilsanta2008 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.