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Microsoft Security Intelligence
Published Jun 07, 2010 | Updated Sep 15, 2017

Trojan:DOS/Yonsole.A

Detected by Microsoft Defender Antivirus

Aliases: No associated aliases

Summary

Trojan:Dos/Yonsole.A is a detection for a malformed Master Boot Record (MBR) modified by
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 Microsoft Security Essentials, or the Microsoft Safety Scanner. For more information about using antivirus software, see http://www.microsoft.com/security/antivirus/av.aspx.
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