trend micro the Japanese security software entreprise, has found malicious firefox and chrome plugins that take control of user accounts on social networks.

trend micro explained that those plugins share contents and like pages and posts in facebook, twitter, google+ Without the user's approval.

the names of those malwares in google chrome are(Chrome Service Pack 5.0.0,F-Secure Security pack 6.1.0), and in mozilla firefox (Mozilla Service Pack 5.0,F-Secure Security pack 6.1). the malicious istalled files have these names TROJ_FEBUSER.AA and JS_FEBUSER.AA.

tren micro confirmed that the hackers have added a trusted electronic signature to the browser extensions in order to facililate its mission in control uses accounts on the three social networks easily without being discovered by antivirus softwares.

this malware attacks only chrome and firefox users.

Trend micro advised the users to make sure of any browser extension source before downloading it to not give opportunity for malicious files to infect their computers.