They say nothing is bundled with the linux version. For Cydoor this must be true, because Cydoor for Linux doesn´t exist. For TopMoxie/Limeshop I am not sure, because this is java and could run on a linux platform, but signs point to no.
*If it was there someone would have noticed and posted it, because Linux users easily get upset, when a program messes up their configurations.
*Linux has several browsers, and they are all far more difficult to hijack than MsIexplore.
*Limewire says, it is not included.