Published May 31, 2011 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: Win32/StartPage.NZQ (ESET) (Kaspersky)


Trojan:Win32/Startpage.OS is a trojan that opens up an Internet Explorer browser to a predefined page.

To detect and remove this threat and other malicious software that may be installed on your computer, run a full-system scan with an appropriate, up-to-date, security solution. The following Microsoft products detect and remove this threat:

For more information on antivirus software, see

Additional remediation instructions for Trojan:Win32/Startpage.OS:

This threat may make lasting changes to a computer's configuration that are NOT restored by detecting and removing this threat. For more information on returning an infected computer to its pre-infected state, please see the following articles:

Follow us