Trojan:JS/Febipos.A is a javascript code that is used as an infection by cyber crooks. In a compromised website or link on Facebook page, this javascript is injected and enabled. When a user goes around a page or a link, Trojan:JS/Febipos.A immediately jumps off in the system and settles inside the browser to do malicious stuffs. This Trojan Horse mainly hijacks user's Facebook page by stealing the social network credentials related to the user. These files include malicious JavaScript that exploits the vulnerability and runs a payload when the PDF file is opened.
After invading the PC, it changes configuration of your browser for example home page is changed, DNS settings are tampered and more. Also, it connects to a some filthy websites to access a configuration file that has instructions or updates for the Trojan to do stuffs. This file enlists a set of functions the Trojan has to do like liking a page, sharing, commenting, creating a group and bringing people to them, posting links on status messages, sharing links and filthy pages on user's chat to different friends on the contact list and more. These links are malicious and one should not open it at any cost.
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