Security researchers are warning of yet another Twitter-themed malicious spam attack that attempts to install rogue anti virus software on the victim's PC.

Websense Security Labs ThreatSeeker Network said the spam emails are designed to imitate a Twitter Password Reset Notification message.

The spam contains a link to a compromised web site that, when clicked or pasted into the browser, prompts the user to download a malicious executable named password.exe, said the firm.

This executable turns out to be a rogue AV called Protection Center Safebrowser. It has been architected to appear like genuine anti virus software by alerting the user that it has discovered malicious files on the deskptop.

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