A small program that runs automatically every time you start your Internet browser. Usually, a BHO is installed on your system by another software program. Some BHO's are malicious spyware components which attach themselves limpet-like to Microsoft's Internet Explorer and act as a toolbar or other browser plug-in that is hard to remove ( uninstall). The worst of these can radically change browser settings, including home pages and bookmarks, and make it difficult or impossible for people to change settings back, without their knowing how to manipulate the Windows Registry. See also: Spyware & Adware Removal Blocking BHOs in Internet Explorer
A component that Internet Explorer will load whenever it starts, shares IE's memory context, can perform any action on the available windows and modules. A BHO can detect events, create windows to display additional information on a viewed page, monitor messages and actions. There are many exploits of this technology which search all pages you view in IE and replace banner advertisements with other ads, monitor and report on your actions, change your home page, etc.
a COM object that is instantiated for every Internet Explorer browser window
a DLL that allows developers to customize and control Internet Explorer
a way to personalize Internet Explorer in order to give the user some functionalities that are not included by default
A program that runs automatically every time a browser is launched. It is meant to extend the functionality of the browser, but it can also track how you use the Internet.
A Browser Helper Object (BHO) may appear as a helpful browser toolbar within Microsoft Internet Explorer (IE). Malicious BHO's can change your default home page to point to some other site or send histories of your web-browsing habits to third-parties for the purposes of targeted advertising.
A plug-in for Internet Explorer which offers improved or additional functionality. While some are benign a great many are actually Spyware, recording users actions and stealing data.
Any toolbar or plugin that is integrated into a browser.
Can search all pages you view in Internet Explorer and replace banner advertisements with targeted advertisements, monitor and report on your actions, and change your homepage.
A Browser Helper Object (BHO) is a DLL module designed as a plugin for Microsoft's Internet Explorer web browser to provide added functionality. BHOs were introduced in October 1997 with the release of version 4 of Internet Explorer. Most BHOs are loaded once by each new instance of Internet Explorer.