How to Remove Mysites123.com Hijack from IE/ Chrome/ Firefox Effectively?

Mysites123.com is classified as browser hijacker. Once Mysites123.com is installed onto your computer, you will be always redirected to http://mysites123.com/ no matter when you open 

Mysites123.com produces annoying redirects to unknown sites and displays lots of ads. The longer it stays on your computer, the more damage it can cause to your computer. Since there are so many ads on your computer, and its extension is hidden inside your browser, the cookies can trace and collect your information including online passwords, bank account information and private datum on your computer. Thus once you find it, follow the removal guide in the post: http://preventyourcomputerfromvirus.blogspot.com/2015/12/guide-to-remove-mysites123com-hijack.html  to remove it from computer as soon as possible.