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Microsoft Security Intelligence
Published May 18, 2016 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: No associated aliases


Windows Defender detects and removes this threat.

This threat unchecks checkboxes in installation dialogue boxes, effectively messing with choices without your knowledge during installation.

It may be installed together with BrowserModifier:Win32/SupTab and Trojan:Win32/Ghokswa when Trojan:Win32/Xadupi downloads and installs updates. Trojan:Win32/Xadupi, meanwhile is installed by BrowserModifier:Win32/Sasquor, although it may also be installed directly by software bundlers.

This threat is part of a suite of malware and unwanted software families that is also called "Fireball". Read about this threat group in the Windows Security blog: 

Understanding the true size of “Fireball”

Find out ways that malware can get on 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 malware. 

Get more help

You can also visit 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.

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