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Published Nov 28, 2007 | Updated Sep 15, 2017

Win32/Cutwail

Detected by Microsoft Defender Antivirus

Aliases: No associated aliases

Summary

Windows Defender detects and removes this threat.

This threat downloads and runs files on your PC, including a trojan that sends spam emails. It can also steal your email user names and passwords, as well as your FTP credentials, using a plugin detected as PWS:Win32/Fareit.gen!C.

This threat also uses a rootkit and other defensive techniques to avoid detection and removal.

Find out ways that malware can get on your PC.  

The following free Microsoft software detects and removes 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 ask for help from other PC users at the Microsoft virus and malware community.

If you’re using Windows XP, see our Windows XP end of support page.

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