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  software to detect and remove this threat:Microsoft

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

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

You can also visit our  or search the for more help.advanced troubleshooting pageMicrosoft virus and malware community

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

Reset the Hosts file
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