What Is Expo Captcha Top?
Expo Captcha Top (expocaptcha.top, a.expocaptcha.top, b.expocaptcha.top, etc.) is a questionable website which attempts to trick users into accepting its notifications request. Expo Captcha Top claims that users have to click Allow on its notifications confirmation pop-up box to confirm that they are not robots. If someone does click Allow, Expo Captcha Top notifications will begin spamming him or her with ads, clickbait links, fake alerts from the operating system or the browser, prompts to download antiviruses or other programs, etc. The notifications will be popping up in the bottom right hand corner of the screen on Windows computers, in the top right hand corner of the screen on Macbooks, or on the status bar on Android devices.