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Microsoft Security Intelligence
Published Aug 03, 2009 | Updated Sep 15, 2017

Trojan:WinNT/Bagle.A

Detected by Microsoft Defender Antivirus

Aliases: No associated aliases

Summary

Trojan:WinNT/Bagle.A is a trojan rootkit component of the Win32/Bagle family. This trojan component may hide itself, prevent security products from removing the Win32/Bagle virus, and also terminate some security products.
Manual removal is not recommended for this threat. To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as the Microsoft Safety Scanner (http://go.microsoft.com/fwlink/?LinkId=212742). For more information, see http://www.microsoft.com/protect/computer/viruses/vista.mspx.
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