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Microsoft Security Intelligence

Microsoft Security Intelligence

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Published Jun 03, 2010 | Updated Sep 15, 2017

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TrojanDownloader:Win32/Ponmocup.A

Detected by Microsoft Defender Antivirus

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

Summary

Windows Defender detects and removes this threat.

This threat can download and install programs, including other malware, on your PC without your consent.

Find out ways that malware can get on your PC.

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

Microsoft Defender Antivirus for Windows 10 and Windows 8.1, or Microsoft Security Essentials for Windows 7 and Windows Vista
Microsoft Safety Scanner

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:

How can I reset the Hosts file back 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.