And the flood goes on
         

Computerworld's Gregg Keizer has a long informative article about the PRTH.PK spam run that flooded inboxes with hundreds of millions of spam emails. The article describes the response of the shares (the usual sharp rise and sudden fall) and the measures that Prime Time Group Inc has taken to try to identify the sender. It also confirms that the botnet used to send the spam was previously built through a wave of 'greeting card' spam.
         

http://www.spamnation.info/blog/archives/2007/08/and_the_flood_goes_on.html