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BrowserModifier:Win32/Rizo
Detected by Microsoft Defender Antivirus
Aliases: TR/BHO.Rizo (Avira)
Summary
BrowserModifier:Win32/Rizo is a program that may change Mozilla Firefox's browser home page a specific advertisement affiliate search site "foozir.com".
To detect and remove this program and other unwanted software that may be installed in your computer, run a full-system scan with an up-to-date antispyware product such as the following:
For more information on antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.
For support for Mozilla Firefox, see the site http://support.mozilla.com.