They may well be GPL2/3 section 2a/5a (prominent notice that they have modified the program... in this case the installer) , and likely 2b/5b,c also (are they a

They may well be GPL2/3 section 2a/5a (prominent notice that they have modified the program... in this case the installer) , and likely 2b/5b,c also (are they also providing the source code for the crapware?). If these are found not to apply (because the court finds it to be mere aggregation ) we may need a minor GPL update :-) Alternately one could look into trademark law, perhaps?