A clever malware deployment scheme first spotted in targeted attacks last year has now gone mainstream. In this scam, dubbed “ClickFix,” the visitor to a hacked or malicious website is asked to distinguish themselves from bots by pressing a combination of keyboard keys that causes Microsoft Windows to download password-stealing malware. ClickFix attacks mimic the “Verify You are a Human” tests that many websites use to separate real visitors from content-scraping bots. This particular scam usually starts with a website popup that looks something like this: This malware attack pretends to be a CAPTCHA intended to separate humans from bots. Clicking the “I’m not a robot” button generates a pop-up message asking the user to take three sequential steps to prove their humanity. Executing this series of keypresses prompts Windows…