NetSky.B Worm Gains More Traction:
"A new mass-mailing worm, called NetSky.B, is spreading rapidly after beginning to make the rounds of e-mail inboxes on Tuesday.

NetSky.B is a variant of the NetSky.A worm identified earlier in the week, but is posing a greater risk of spreading and infecting machines, security vendors warned Wednesday. Symantec Corp. rated NetSky.B a Category 4 threat, its second-highest level, while Network Associates Inc. and F-Secure Corp. rated it as a medium threat.… "

Network Associates in its security alert (http://www.eweek.com/article2/0,4149,1530599,00.asp?kc=EWNWS022004DTX1K0000599) reports that NetSky.B attempts to deactivate the MyDoom.A and MyDoom.B viruses, which earlier this month overloaded e-mail inboxes worldwide and included payloads to trigger DoS (denial-of-service) attacks against the Web sites of the SCO Group Inc. and Microsoft Corp.

NetSky.B affects systems running Microsoft Windows 95 and higher.…

http://www.eweek.com/article2/0,4149,1530599,00.asp?kc=EWNWS022004DTX1K0000599