Published Nov 19, 2015 | Updated Jan 31, 2018

BrowserModifier:Win32/Prifou

High |Detected with Windows Defender Antivirus

Aliases: No associated aliases

Summary

Windows Defender Antivirus  detects and removes this unwanted software.

This browser modifier can change your web browser settings without adequate consent.   

It can be installed on your PC when you download other software from third-party websites.

This threat is an unwanted software. An unwanted software is a program that alters your Windows experience without your consent or control. We use a set of evaluation criteria to determine what programs are classified as unwanted software. As the software ecosystem evolves, so do our evaluation criteria. To learn more, read these blog entries:

 

This program poses a high threat to your PC.

Use the following free Microsoft software to detect and remove this threat:

You should also run a full scan. A full scan might find hidden threats.

Remove programs

You might need to manually remove this program:

The entry for this program may be called "PriceFountain".

If an uninstaller is not available, does not work properly, or you do not want to use it, you can use the following free tools to detect and remove this program and other potentially unwanted software from your PC:

Remove browser add-ons

You might need to remove add-ons from your browser:

Use cloud protection

The Microsoft Active Protection Service (MAPS) uses cloud protection to help guard against the latest malware threats. It’s turned on by default for Microsoft Security Essentials and Windows Defender for Windows 10. 

Get more help

You can also see our advanced troubleshooting page or search the Microsoft virus and malware community for more help.

If you’re using Windows XP, see our Windows XP end of support page.