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Microsoft Security Intelligence
Published Jan 18, 2011 | Updated Sep 15, 2017

Trojan:Win32/WebHijack.A!sys

Detected by Microsoft Defender Antivirus

Aliases: Rootkit.Win32.Agent.bkzb (Kaspersky) Trojan.NtRootKit.10074 (Dr.Web) Generic Rootkit.ec (McAfee) Mal/Festi-A (Sophos) Rootkit.Win32.Tent.cjt (Kaspersky)

Summary

Trojan:Win32/WebHijack.A!sys is a kernel-mode driver that redirects Internet search requests to display unsolicited advertisements and accumulate per-click revenue.
To detect and remove this threat and other malicious software that may be installed on your computer, run a full-system scan with an appropriate, up-to-date, security solution. The following Microsoft products will detect and remove this threat:
 
 
For more information on antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.
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