Chrome & Firefox browser extension that hijacks Facebook profiles found

Microsoft has been receiving reports from Brazil about a browser extension with malicious intent, that attempts to hijack the Facebook profile of the victim. The malware, Trojan:JS/Febipos.A, is being specifically targeted at Google Chrome and Mozilla Firefox browsers.

facebook-profiles-hijacked

Once installed, this browser extension checks to see if the user is currently logged in to his/her Facebook account. If so, it then executes a series of commands to do the following:

  1. Like a Page
  2. Share a Page or Post
  3. Post on users behalf
  4. Join a group
  5. Invite friends to join a group
  6. Chat with friends
  7. Comment on a post

It may also post various messages in Portuguese and links on your Facebook wall.

Microsoft suggests that you be wary of installing any unknown browser extensions or software which install unknown or unwanted browser extensions, and ensure that your antivirus software is up-to-date.

Read: Browser Hijacking and Free Browser Hijacker Removal Tool.

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Anand Khanse is the Admin of TheWindowsClub.com and a 10-year Microsoft MVP Awardee in Windows for the period 2006-16. He enjoys following and reporting Microsoft news and developments in the world of Personal Computing & Social Media.