SBSoft is a particularly pernicious adware browser hijacker.  After it installs itself onto your computer, it will display advertisements.  These advertisements are targeted to browsing information SBSoft has gathered about you surreptitiously.  Manual removal of this malware is nearly impossible because each of the processes protect one another.
Because of the self-sustaining nature of this malware, it can take up considerable resources on your computer.  You will find that your computer is getting slower and slower.  It is highly recommended that you remove this software as soon as possible.   A trusted anti-spyware program such as SpyZooka can get rid of this junkware quickly and efficiently.  Your computer will be back to feeling brand new in no time.