TinyBar is browser hijacker that can also implement a toolbar. TinyBar will also take over your browser and send you to one of their affiliate sites.  TinyBar will tamper with your settings and divert your homepage to a page you never requested.  This malware runs silently and is difficult to remove.  In addition, it will generate annoying pop-ads and take up an inordinate amount of space on your CPU. 
It is highly recommended that you remove this junk software as quickly as possible.  It will be beneficial to your computer and your security to remove this malware with a trusted program such as SpyZooka.  SpyZooka has been used for years and has the experience needed to get rid of all your spyware problems.