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Published May 17, 2010 | Updated Sep 15, 2017

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Trojan:Win32/BHO.AH

Detected by Microsoft Defender Antivirus

Aliases: Win-AppCare/Bho.91648 (AhnLab) Win32/SillyBHO.IV (CA) Trojan.ICache (Dr.Web) Win32/Adware.Agent.NKI (ESET) not-a-virus:AdWare.Win32.Agent.hyx (Kaspersky) AdClicker-HQ (McAfee) Troj/Agent-INK (Sophos) Adware.Agent.gen (Sunbelt Software) WORM_DROPPER.MZU (Trend Micro) Trojan.BHO.NameShifter.AH (other)

Summary

Trojan:Win32/BHO.AH is a trojan component installed by TrojanDropper:Win32/Henbang.A. The trojan runs as part of an adware application that uses a Web browser helper object (BHO) to display advertisements based on Web surfing habits.

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.

Trojan:Win32/BHO.AH

Summary

What to do now

Technical information

Threat behavior

Installation

Prevention

Symptoms

System changes