Just change the default search engine of your chrome browser to your preferred search engine and then delete the search engine privitizevpn added.
1. Open chrome settings by visiting this URL : chrome://chrome/settings/
2. A new tab is opening. On your left you have 3 tabs. History, extensions and Settings. Go to Settings.
3. Look for search category. There you can set your default search machine. Just change it from privitize to Google or what ever you like.
More info on PrivitizeVPNPrivitize VPN is a browser hijacker that can modify the affected web browser’s default home page to
http://search.privitize.com/?aff=7, control searches, and cause unwanted browser. Privitize VPN can invade the victimized computer and install a harmful program such as adware or malware that comes bundled with it. Privitize VPN propagates via freeware applications, and installs itself on the corrupted PC without a victim’s consent. In some web browser, Privitize VPN will open an unknown Google URL such as google.com/webhp. Privitize VPN may use a variety of URLs and names to trick the web user as well as security software to prevent detection and extermination. Privitize VPN can reroute your online searches in any search system to dubious websites. Privitize VPN may also direct to an infected website that can distribute and install other malware infections onto the affected PC.
Source:
http://www.enigmasoftware.com/privitizevpn-removal/