It installs a small service that acts as a local server.
(often bundled with "EZ-Activator") is an unofficial third-party utility designed to bypass the standard activation process for Microsoft Office 2010 products. Key Features and Purpose Office 2010 Toolkit 2.2.3
Since these tools are distributed on third-party forums and "warez" sites, they are frequently bundled with trojans or miners. Always verify the source and use a sandbox environment. It installs a small service that acts as a local server