7787.mclickurl.com will do nothing good to your PC:
7787.mclickurl.com is a suspicious website that is related to browser hijacker. It is developed by cyber criminals to increase web traffic and promote products by displaying various kinds of ads and redirecting you to advertising or sponsored sites. 7787.mclickurl.com is able to change default settings and DNS settings of all your browsers including Internet Explorer, Google Chrome and Mozilla Firefox. So whenever you open a new tab or launch a browser, you are always be redirected to 7787.mclickurl.com.