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Published Nov 11, 2011 | Updated Sep 15, 2017

Backdoor:PHP/WebShell.A

Severe |Detected with Windows Defender Antivirus

Aliases: PHP/WebShell.A.1 (Avira) PHP.Backdoor.Trojan (Symantec)

Summary

Windows Defender detects and removes this threat.

This threat can give a malicious hacker access and control of your PC.  

It affects both Windows and Linux operating systems.

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 other, 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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