Malwarebytes Anti-Malware - Download the latest version of the offline database installer
You might not be able to update the virus definitions database. We suggest you click this link if you are having problems. i.e. a virus/malware is stopping you from downloading the latest update.

Malwarebytes Anti-Malware
Malwarebytes is a site dedicated to fighting malware. Malwarebytes has developed a variety of tools that can identify and remove malicious software from your computer. When your computer becomes infected, Malwarebytes can provide the needed assistance to remove the infection and restore the machine back to optimum performance. IDTP - this truly does remove the go.google.com browser hijacker and the antivirus and antispyware variants.