callinghome.biz is a data-mining domain. Spyware.....
oddlsx.exe is more than likely a new/renamed version of their crap... delete it.
also, do a thorough search on your computer for other copies of this .exe..... mayy times there's more than one, using their previous history as a judge.... delete all you find, as well.
You'll need to remove all registry references to this file also. Can pretty much guarantee it's listed as a boot-up file... starts when you start the computer.
If you dont know how to search the registry and delete entries, just leave it alone. since the .exe's are deleted, it wont be able to run them, and will just produce an error log entry, which won't cause any other problems. There's lots of errors in a registry that you never know about, unless you are experienced in manually editing/cleaning such. Eventually they just add up and can/will slow down the computer, but this takes time...
I wouldn't worry too much about it. Just delete ALL instances you find of oddlsx.exe and you should be good to go...
Hope this helps some....
JB