Note that many websites have their own advertising, unrelated to adware.
Yazzle SnowBallWar is an another Ad supported product from ClickSpring LLC.It delivers Advertisement to the user's machine.
From the End User License Aggrement : As a result of installing the Company?s Software, user will see occasional banner ads, pop-up or pop-under ads, or other types of ads selected based on your online activities.
It tracks the user browsing activity to deliver advertisements.
1) Go to Start Menu -> Settings -> Control Panel -> Add/Remove Programs -> Yazzle Snow Ball Wars by OIN
2) Go to Start Menu -> Programs -> Yazzle Snow Ball Wars -> Uninstall