Checking the whois record for 1sthost.org shows me that this is the hosting company called Bytehost Internet Ltd. from London. wunderld, one would assume, is simply an entity or a person that has an account at Bytehost.
a7="'htt", a8="p://p", a9="dt.t", a10="rade", a11="dou", a12="bler.", a13="co", a14="m/cli"
...and then assembles the pieces into a redirect. This, my friends, is a spam web page ;->
At a guess, neither TradeDoubler nor ASDA approve or know of this purposefully deceptive practice (affiliates are hard to police), so I will drop them both a line about it. Let's see if they are able to clean up their own act and get Malholland off the listings.