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Don’t run JavaScript email attachments: can carry potent ransomware
Attackers are infecting computers with a new ransomware program called RAA that’s written entirely in JavaScript and locks users’ files by using strong encryption.Attackers have taken to this technique in recent months, with Microsoft warning about a spike in malicious email attachments containing JavaScript files back in April. Last month, security researchers from ESET warned of a wave of spam that distributes the Locky ransomware through .js attachments.Don't run JavaScript email attachments: they can carry potent ransomware | PCWorldIt is very uncommon for people to send legitimate applications written in JavaScript via email, so users should avoid opening this type of file, even if it’s enclosed in a .zip archive. There are few reasons for .js files to exist outside websites and Web browsers in the first place.