Published Oct 20, 2009 | Updated Sep 15, 2017

VirTool:WinNT/Koobface.E

Severe |Detected with Windows Defender Antivirus

Aliases: No associated aliases

Summary

VirTool:WinNT/Koobface.E is a detection of a kernel-mode device driver component used by other malware to intercept and manipulate DNS queries, TCP connections, and other traffic. The malware can redirect DNS results and block network connections and traffic.
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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