Here’s where the horror story begins. Over the last 18 months, cybersecurity firms (including Malwarebytes, Sophos, and Trend Micro) have tracked a spike in malicious ads and SEO-poisoned results for the search term: “psa interface checker download”
When you click these top results, you are not getting a PSA tool. Instead, you are downloading one of three nightmare variants:
Before you unzip or run the file, check the properties. The PSA Interface Checker is a relatively small utility (usually a few megabytes). If the file you downloaded is suspiciously small (like 50KB) or suspiciously large, delete it immediately.