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Ransom:Win32/Isda
Aliases: FileCryptor.ANH (AVG) Trojan.Win32.FileCoder (Ikarus)
Summary
Windows Defender detects and removes this threat.
The threat encrypts your files and asks you to contact the email provided in order to receive instructions on how to decrypt your files.
This threat can be bundled with other malware. It can also be downloaded when you click on a link in a spam email.
Find out ways that malware can get on your PC.
You can read more on our ransomware page.
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.
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.