Facebook blocked links to NBC.com and its other related sites after a multi-site compromise on Thursday. It appears that the American TV network’s websites were infested with RedKit malware. The malware remained on the various sites for a few hours and users who visited the sites may have fallen victim to the malware. According to ZDNet, tens of thousands of people may be affected.
Facebook joined others in preventing its users from accessing the infected site. Companies like Bitly and Google also warned users before entering any NBC-related domains.
NBC’s websites contained an iFrame which redirected users to the RedKit malware. Soon after, NBC changed all of the affected site pages with clean pages, making the new pages safe to visit. Facebook is now allowing links to NBC.com and its affiliated sites.
A RedKit infection begins when a user visits an affected site, directing them to a RedKit landing page. RedKit then sends out the Citadel banking trojan (a type of Zeus trojan). The malware functions by targeting weak spots in apps like Java and Adobe Reader.
As you may know, malware is often spread through your friends via social networks. If you feel as though you may be affected, it might be worth checking out malware protection and removal tools like ThreatFire, Ad-Aware, and Spyware Terminator.
Are you a regular user of NBC.com and its related sites? Did you visit the site yesterday during the time it was most affected? Do you think Facebook handled the situation properly by blocking access to NBC.com and its affiliated sites?
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