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Published Jun 03, 2010 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: Swisyn.s (McAfee) Trojan.Win32.Swisyn.jyb (Kaspersky) W32.Changeup!gen (Symantec)


Windows Defender detects and removes this threat.
This threat can download and install programs, including other malware, on your PC without your consent.

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.

Reset the Hosts file

This threat might change the contents of your Hosts file. You can reset it to the default:

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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