My computer expert nephew brought this to my attention. I say, be careful opening and sending images that are not your own.
(When I began writing this post, the exploit described only affected a specific image file and Facebook users. It has now been found in other image file formats and is targeting Linkedin as well as Facebook.)
It starts with a message from one of your Facebook friends via Facebook Messenger. It might be a short message (like “LOL”, “OMG”, “Have a look at this”, “I can’t believe someone posted this”) with an image or zip file for you to open. If the attached file is a zip file and you decide to download and open it, a malware agent will be installed on your computer which will contact a Dropbox site to download the actual malware onto your computer. The malware will then send similar infected messages to your Facebook friends and friends of friends and so on in an upward spiraling propagation.
Last year, researchers at the AppRiver security…
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