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543844464787569.win alert is a phishing scam having annoyed lots of computer users. This nuisance, once getting in, will battle with you for the command of browser relentlessly. You may always get a blue background warning claiming "Windows Defender Alert: ZEUS virus detected in your computer" occupying your wepage and freezing up your browser screen. Before you click to opt out, another pop-up displays and it may say "System blocked for security reasons. Call toll-free for support now".
