Once opened, the malicious JavaScript will run in the background, encrypting all files on a user’s machine with the .zepto extension.
Security researchers are warning users of a spike in spam emails containing a variant of the infamous Locky ransomware, known as Zepto.
Cisco’s Talos team spotted 137,731 emails in just four days, containing over 3300 unique samples, according to technical lead, Warren Mercer.
Most of the emails used simple social engineering, asking the user to look at an attached document they had ‘requested.’
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Source: http://www.infosecurity-magazine.com/
