Archive for Firefox

Firefox users at risk

Posted in Security with tags on December 22, 2008 by Sam

Researchers from the anti-virus vendor BitDefender have come across an innovative piece of malware that hides itself and functions as a Firefox extension. The malicious add-on is a trojan that monitors user activity on numerous banking sites and steals the login credentials.

In order to fly under the radar, this trojan, identified by BitDefender as Trojan.PWS.ChromeInject, registers itself to the browser as “Greasemonkey.” Greasemonkey is actually the name of an advanced and legit Firefox extension that allows users to modify the appearance and rendering of visited web pages, through local JavaScript files.

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