Strange avast! team…
What about the IP posted at FAQs? Is this a new one?

  1. Servidores conectados pelo avast!:
    URL: http://www.asw.cz/iavs4pro
    IP: 195.70.130.34

URL: http://www.avast.com/iavs4pro
IP: 64.246.6.135

URL: http://www.iavs.net/iavs4pro
IP: 207.44.156.15

URL: http://www.iavs.cz/iavs4pro
IP: 62.168.45.69

Strange indeed… >:(