It's possible that people are taking the code, modifying it to add in a new kill switch address, change the bitcoin address and leave every thing else as it is.

It's possible that people are taking the code, modifying it to add in a new kill switch address, change the bitcoin address and leave every thing else as it is. Usually because they don't understand the code but can do a ctrl+f, delete and replace with the necessary info. Script kiddies of the malware world.