Linkey is a special program which is actively spread through various freeware downloads today. Most often Linkey is bundled with a lot of free programs which are actively downloaded and installed by users. For example, if you download some applications from Softonic.com, you will be offered to make default-search.net browser hijacker into your computer and install Linkey as well. As you see, this is the bundled software installation offer, and you should pay close attention to what exactly you’re offered to install into your PC in addition to the initial software of your choice.