Facebook messenger scam tricks you into clicking on virus-riddled YouTube channel with THIS message
MAKE sure to scrutinise your Facebook messages VERY carefully - even if they are sent from one of your closest pals.
A scam is spreading across the social network, causing friends to inadvertently put their chum's phones and gadgets in jeopardy.
IT security research David Jacoby wrote in a blog post: "The link points to a Google Doc.
"The document has already taken a picture from the victim’s Facebook page and created a dynamic landing page which looks like a playable movie.
"When the victim clicks on the fake playable movie, the malware redirects them to a set of websites which enumerate their browser, operating system and other vital information.
"Depending on their operating system they are directed to other websites."
This malicious software, if downloaded, will cause you to spread the virus to your contacts on Facebook Messenger.
It can force you to click on more malware and fill up your phone with spam adverts.
In some cases, it has been seen to track what you type into their infected gadget - allowing crooks to log and store credit card details if you later buy something online.
MESSENGER IN A BOTTLE 8 things you didn’t know you could do on Facebook Messenger – from planning a holiday to making your conversations entirely secret
And there's more bad news.
Not only should you avoid certain messages from your friends, social media fans have also been told that Facebook friends aren't legitimate relationships.
That's right, your followers AREN'T really your mates.
In a bizarre turn of events, a Miami judge was forced to rule that Facebook friends were not real, according to the .
We pay for your stories! Do you have a story for The Sun Online news team? Email us at tips@the-sun.co.uk or call 0207 782 4368 . We pay for videos too. Click here to upload yours