Ransomware Research

Ukr4incrypt Ransomware

Ukr4incrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2026, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Ukr4incrypt
First Seen
June 1, 2026

How Ukr4incrypt ransomware works

File modification behavior

Ukr4incrypt updates file modification timestamps after encryption.

File encryption patterns

Ukr4incrypt modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .winsvc

Ransom note and payment demands

After encrypting files, Ukr4incrypt displays ransom notes demanding payment for file recovery:

fileLEIAME.txt
notes/LEIAME.txt

Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with Ukr4incrypt ransomware:

  • winsvc.exe

About this analysis

This Ukr4incrypt 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 Ukr4incrypt.

Last updated: September 30, 2026

Detection coverage

Elastio detects Ukr4incrypt inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Ukr4incrypt 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.