Published Jan 20, 2013 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: TR/Skyspy.AJ (Avira) Troj/Shype-A (Sophos) Ransomer.BKE (AVG) Shylock (other)


Windows Defender detects and removes this threat.

This threat uses Skype to send messages and files that might include copies of Backdoor:Win32/Caphaw. These trojans can give a malicious hacker access and control of your PC.

It does not operate in isolation: if your PC is detected with Backdoor:Win32/Caphaw.N, then it is likely that your PC is infected with other malware.

The following free Microsoft software detects and removes this threat:

Even if we've already detected and removed this particular threat, running a full scan might find other malware that is hiding on your PC.

Change your passwords

You should change your passwords after you've removed this threat:

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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