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The antivirus organization Bitdefender discovered several thousand malicious links taking place in a twenty-four hour period, and contacted the Facebook administration about the problem. While the infection was contained, its unusual nature sparked interest given that the attackers exploited a flaw in the file-sharing site MediaFire to ...
Koobface is a network worm that attacks Microsoft Windows, Mac OS X, and Linux platforms. [1] [2] [3] This worm originally targeted users of networking websites such as Facebook, Skype, Yahoo Messenger, and email websites such as GMail, Yahoo Mail, and AOL Mail.
When users follow a broken link or enter an erroneous URL, they see a page of advertisements. However, because password-protected Web sites (HTTP Basic authentication) use the same mechanism as HTTP errors, Internet Optimizer makes it impossible for the user to access password-protected sites.
The site also makes it easier for Facebook to differentiate between accounts that have been caught up in a botnet and those that legitimately access Facebook through Tor. [6] As of its 2014 release, the site was still in early stages, with much work remaining to polish the code for Tor access.
Anti-virus software vendors can receive copies of files that were flagged by other scans but passed by their own engine, to help improve their software and, by extension, VirusTotal's own capability. Users can also scan suspect URLs and search through the VirusTotal dataset.
Messenger Service spammers frequently send messages to vulnerable Windows machines with a URL. The message promises the user to eradicate spam messages sent via the Messenger Service. The URL leads to a website where, for a fee, users are told how to disable the Messenger service. Though the Messenger is easily disabled for free by the user ...
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An alternative technique to impersonation-based phishing is the use of fake news articles to trick victims into clicking on a malicious link. These links often lead to fake websites that appear legitimate, [49] but are actually run by attackers who may try to install malware or present fake "virus" notifications to the victim. [50]