
What Is Rankcaptcha.top?
Rankcaptcha.top (subdomains: a.rankcaptcha.top, b.rankcaptcha.top, c.rankcaptcha.top, etc.) is a dubious site which tries to trick users into subscribing to its notifications service. Site notifications are messages from websites that pop up in the lower right hand corner of the screen on Windows, in the top right hand corner on macOS, and on the status bar on Android. Rankcaptcha.top claims that clicking Allow on its “Show notifications” pop-up will help users verify that they are not bots. Once someone clicks Allow, notifications from Rankcaptcha.top will begin appearing on his or her screen from time to time with ads, links to dubious sites, fraudulent messages, prompts to download some programs, etc.