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Spammer:Win32/Hedsen
Aliases: Trojan horse SpamTool.KLC (AVG) TR/Crypt.ZPACK.Gen (Avira) W32/SpamTool_Agent.NFU!tr (Fortinet)
Summary
Windows Defender detects and removes this threat.
This threat can use your PC to send spam emails from compromised email accounts. The spam emails are used to spread other malware, such as Win32/Upatre.
It can be installed by other malware or when you visit a malicious or compromised website.
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.