MySearch may have a look of a legit search engine, still there are some shady features in it. This application is usually distributed through distrusted installers that a user may have downloaded from the internet. The developers of such rogue applications are notorious for using bundling method in order to distribute their product. Bundling method is the most common in malware distribution. The developers bundle in their malware with some free software applications. We recommend you to remove MySearch as soon as possible.