Fake Windows 8 antivirus warning

Internet security researchers have discovered new malware aimed at users of Microsoft's recently-launched Windows 8 operating system.

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According to Trend Micro, users will encounter two separate threats when they visit malicious websites: fake antivirus which is detected as TROJ_FAKEAV.EHM, and a phishing email offering users a free Windows 8 upgrade.

Instead of the actual download, the scammers ask for personal details like an e-mail address, password and name that can be sold to cybercriminals.

4 million upgrades to Windows 8 have been sold since the launch of the operating system. "Naturally, cyber criminals are grabbing this chance to distribute threats leveraging Windows 8 and raise terror among users," said Trend Micro. The company's Smart Protection Network detects and deletes fake antivirus variants such as TROJ_FAKEAV.EHM and prevents access to related sites.

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