A new worm is posting links on Twitter user accounts that lead to a fake antivirus site, online security firms Sophos and Kaspersky report.
The worm is using Google’s URL shortener goo.gl to spread the links; if you follow the link, you will land on a site that advertises a rouge antivirus solution called "Security Shield." This "antivirus" is in fact malware, which should fortunately be detected (Sophos detects it as Troj/FakeAV-CMG) as such by popular antivirus solutions.
More …