W32.Changeup!gen20 is a heuristic detection that may include members of the W32.Changeup family of threats.

The threat W32.Changeup!gen20 was discovered by Symantec Security Response Threat Severity Assessment on August 22, 2012 and was classified as Worm.

Initial Daily Certified version of virus definitions for Norton security products was released on pending. It should be noted that users with the older versions of Norton Internet Security are limited to Daily LiveUpdate definitions. For more information, go to the page where the are described virus definitions available for Norton products.

W32.Changeup!gen20 Threat Assessment

Component	Severity
Wild Level	Low
Number of Infections	0 - 49
Number of Sites	0 - 2
Geographical Distribution	Low
Threat Containment	Easy
Removal	Easy
Damage Level	Low
Distribution Level	Medium

According to the Symantec Threat Severity Assessment, overall risk of W32.Changeup!gen20 is now categorized as «Very Low» — poses little threat to users; rarely even makes headlines; no reports in the wild. Read more about Threat Severity Assessment.

This threat affect the following operating systems:

• Windows XP
• Windows 7
• Windows Vista

More information about W32.Changeup!gen20, you can find on the official site of Symantec Corporation, where in addition to useful information you can find technical details and removal instructions: www.symantec.com

It is also recommended to read the article Network security threats, where you can find a brief description and explanation of the most dangerous security threats plus a few simple tips on how to protect your personal computer from them.