Twitter has been resetting passwords for accounts that started distributing links promoting fake antivirus software in an attack that used Google's Web address shortening service to conceal the links' destination.

The links, masked by Google "" URL shortener, bounce through a series of redirect URLs before landing on a Ukrainian top-level domain that then redirects to an IP address associated with other fake antivirus software scams, wrote Nicolas Brulez of Kaspersky Lab on a company blog.

Victims landing on the fake antivirus software page are prompted to scan their computer. If they approve the scan, the page asks if they want to remove threats from their computer: doing so starts the download of a bogus security program called "Security Shield."

Full story: Computerworld