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Published Nov 29, 2012 | Updated Sep 15, 2017

Ransom:BAT/Xibow

Detected by Microsoft Defender Antivirus

Aliases: Crypvault (Trend Micro)

Summary

Windows Defender Antivirus detects and removes this threat. 

This ransomware family locks your PC and displays a full-screen message (commonly called a "lock screen").

See the Technical information tab for examples of the lock screen.

It is distributed as a spam file attachment that tries to trick you into downloading and opening it.

You can read more on our ransomware page.

There is no one-size-fits-all response if you have been victimized by ransomware.  There is no guarantee that paying the ransom will give you access to your files.

If you've already paid, see our ransomware page for help on what to do now.

Run antivirus or antimalware software

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.

Advanced troubleshooting

To restore your PC, you might need to download and run Windows Defender Offline. See our advanced troubleshooting page for more help.

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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