It looks like you’re asking for a blog post or security advisory based on a suspicious filename:
Important Notes Before Downloading:
The HeuZ OS Debloater & Optimizer is a community-created utility designed to speed up Windows by removing "bloatware" (pre-installed apps), disabling telemetry (tracking), and tweaking system settings for better performance.
file (typically around 16.7MB) containing an executable that automates system tweaks. Steam Community Key Features and Details