Adware
Adware is software that displays advertisements and other various activities without your consent. Adware displays annoying Pop-up ads, banners etc. Usually adware comes with freeware and shareware programs.

Adware tracks user’s habits (e.g.: Browsing, Searching), personal information and then upload it to remote sites without user’s knowledge.

Spyware
Spyware programs steals personal information , internet surfing habits, credit card numbers, Banking details ,Social security numbers etc and send or upload it to a third party or remote websites. These types of programs are installed on a computer without users consent.

Spyware may take partial control of your computer, install additional software, redirecting Web browser, download more harmful viruses, change your computer settings, and set different home page or pages.