In a Bitcoin Era, Ransomware Attacks Surge – WSJ

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One dusk in April, Dave Winston stood in a preference store in suburban Charlotte, N.C., uneasily shoving $20 bills into a slim automated-teller appurtenance distinct any he had ever seen. He was shopping bitcoin, a digital banking different to him a few hours earlier, before hackers took over his computer.

Mr. Winston, organisation arch with a Circle Sport-Leavine Family Nascar competition team, is among a flourishing series of victims of a attribution form of antagonistic program called ransomware, that has warranted millions of dollars for cybercriminals by encrypting mechanism files and holding them hostage.

Ransomware dates to a late 1980s, though attacks peaked this year amid a flourishing use of bitcoin and softened encryption software. Malicious formula incited Mr. Winston’s Excel spreadsheets and Word papers into mysterious gobbledygook, and hackers educated him to compensate $500 in bitcoin to unscramble them.

Mr. Winston doesn’t know how a program putrescent his computer, though confidence experts contend attacks mostly start with an email summary containing an connection or a couple to a website that then

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