This is not the first time Asus Taiwan has infected users
This is not the first time ASUS Taiwan has been hacked and infected users. There was another incident back in December last year that I wrote about:
http://msmvps.com/blogs/spywaresucks/archive/2006/12/16/425879.aspx
As far as I know, the earliest report about the current ASUS hacking was back on 3 April - Lars Nelson commented to Susan Bradley's blog and we were able to independently confirm the hacking:
http://msmvps.com/blogs/spywaresucks/archive/2007/04/04/749633.aspx