If the infected PC uses the European date format (day/month/year), for example, there is a 1-in-20 chance that the worm will delete all files and folders on the hard drive on Oct. 16.

The worm, called VBS.Hard.A@mm, shows up in users’ in-boxes disguised as a virus alert from Symantec Corp., the antivirus vendor said in a virus alert.

Sobig virus sows few PC problems While the new mass-mailing computer worm has become the No. 2 most active virus, Sobig still isn't that much of a danger, say antivirus experts.

Those warnings were issued because any worm, no matter how well intentioned, spreads without authorization into private networks. And Nachi can harm some machines.

But security experts appeared correct in their predictions that the day was likely to come and go without any major disruptions, even though the worm has infected anywhere from 3 million to 12 ...

According to the Internet Storm Center, which tracks virus infections and Internet attacks, Conficker can spread in three ways. First, it attacks a vulnerability in the Microsoft Server service.

Webhead A Simple Plan Virus-proof your PC in 20 minutes, for free. By Paul Boutin June 10, 20046:07 PM ...

Symantec has confirmed the existence of the worm, known as VBS.Hard.A@mm, VBS/Hard-A, or VBS/Hard@mm, and created software to detect it. So far, the virus has a low geographical distribution and ...

Although the fix for the MSBlaster worm has been available for weeks, wary or ignorant users kept it off lots of computers. Microsoft admits it may have to work on its patch-delivery system. By ...

The Morris Worm, as it's called now, wasn't meant to cause any harm. Unlike a virus, a worm is a self-replicating program with no harmful 'payload.' But Morris didn't want his worm to be easily ...

A cyber warfare expert claims he has linked the Stuxnet computer virus that attacked Iran's nuclear program in 2010 to Conficker, a mysterious "worm" that surfaced in late 2008 and infected ...

The worm, called VBS.Hard.A@mm, shows up in users’ in-boxes disguised as a virus alert from antivirus firm Symantec Corp., the company said in a virus alert.