Once you complete the steps, the Windows Security app will open on the "Virus & threat protection ... output the result of ...

But Gullotto says he fears other virus writers may use Perrun as a template to create a more destructive version. Until now, viruses infected program files--files that can be run on their own.

When you open a file containing a computer virus, your PC becomes infected in part or in full. Researchers at Symantec found that this year's security threats were more aggressive than last year's, ...