Published Feb 05, 2015 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: Trojan/Win32.Npkon (AhnLab) Trojan-Dropper.Win32.Agent.gqah (Kaspersky) BackDoor-FCIY!EF3EAE840A4A (McAfee) Backdoor.Destover (Symantec)


Windows Defender detects and removes this threat.

This threat can give a malicious hacker access and control of your PC. They can then perform a number of actions, including downloading other malware.

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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