We're gradually updating threat actor names in our reports to align with the new weather-themed taxonomy. Learn about Microsoft threat actor names
Win32/Nabucur
Aliases: Win32.Cryptor (Ikarus) Win32/Cryptor (AVG)
Summary
Windows Defender detects and removes this threat.
The threat is a virus that locks your PC and demands a payment to unlock it.
It spreads by infecting certain files on your desktop, removable drives, and shared or network drives.
This threat might have got on your PC if you try to open a file on a network or that was shared with you.
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:
- 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.
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.
