The the third one (which you did not get) has these files in it:_isetup (folder), check.xml, itdownload.dll, temp.html, BetterInstaller.exe, and bi.exetemp.html is a script to 'Like' the application on Facebook and check.xml is for a pre-offering checks (registry scan) for the following:- Babylon (and BabylonToolbar)- Incredimail (and Incredibar)- Somoto (and SomotoToolbar)- SweetIM