Apparntly the hackers and virus writers are getting smart by spoofing the spelling of well-known web addresses, particullary those of anti-virus companies. Any the full stroy from IT newssite Eweek:
http://www.eweek.com/article2/0,1895,1860661,00.asp
http://www.eweek.com/article2/0,1895,1860661,00.asp