Breach404
Back to Insights
Secure Software2 min readApril 12, 2026

CPUID Breach Distributes STX RAT via Trojanized CPU-Z and HWMonitor Downloads

Attackers compromised the download servers for CPUID's popular CPU-Z and HWMonitor tools and distributed them bundled with STX RAT malware, which gives attackers remote access and control over infected systems. You should immediately verify that any CPU-Z

Could your website be vulnerable to attacks like this?

Run a free 10-point security scan on your site — headers, SSL, DNS, and more. Results in 15 seconds.

Test Your Site Now — It's Free