The latest viral scam craft its way around Facebook is an allure that request users if they desire to install a "dislike" button, says the safety company Sophos.

The cheat, like earlier ones that assure users confident content for clicking on a link, tricks Facebook users into giving a rogue application authorization to entrance their profile and then post spam messages from the sufferers account and need the conclusion of an online survey in sort to carry on to the "dislike" button. Last week, a trick completes the round and presented a video of an Anaconda snake coughing up a hippopotamus. Like the snake-video cheat, the "dislike" button scam request users for permission to admission to their profile and write on their wall previous to they can install the application.

"If you do give the application authorization to run, it mutely updates your Facebook type to endorse the link that trick you in the primarily, thus spreading the message virally to your Facebook friends and online contacts," according to a blog post from Sophos' Graham Cluley. "But you still haven't at this point been agreed a "dislike" Facebook button, and the rascal application need you to complete an online survey which makes money for the scammers before eventually pointing you to a Firefox browser add-on for a Facebook dislike button produced by FaceMod."