Changelogs

Explore WithSecure changelogs to track all product updates, new features, and version changes.

Countercept Agent for Windows – 2026-06-25 – Ultralight Updater update

The update is related to the Countercept Agent’s Ultralight Updater. Ultralight Core provides low-level functionality such as file hash calculation as part of the agent’s reporting of endpoint activity.

Product Name: Countercept Agent for Windows – Ultralight Updater

Version: 2.1.22067

Pilot Availability: 29/06/2026

General Availability: 07/07/2026

Predecessor: 2.1.20910

Release Purpose:

  • General maintenance

Customer Action Required:

  • N/A

Name Changes:

  • No changes to file, process, or service names.

Files Updated:

  • install.exe 
  • ulu.exe 
  • ulu_handler.exe 
  • ulu_handler_ns.exe 

New Features and Enhancements:

  • N/A

General Maintenance:

  • General maintenance of functionality not utilized by Countercept.

OS Support:

  • Windows 10, 11
  • Windows Server 2012, 2012 R2, 2016, 2019, 2022, 2025