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Danger level 8
Type: Adware
Common infection symptoms:
  • Installs itself without permissions
  • Connects to the internet without permission
Other mutations known as:


Adware.MegaSearch is an example of an Adware application.

So, you may ask - what is Adware exactly?

Adware is a program which facilitates the delivery of advertising content to a computer user, and in some cases an Adware application will gather information from the user's computer, including information related to Internet browser usage or other computer habits.

Typical of Adware programs, Adware.MegaSearch is highly capable of taking up a computers' resources and is largely responsible for the countless pop-up messages the infected system's user will receive on the web.

Adware.MegaSearch is often bundled with or embedded within freeware programs, the likes of clocks, messengers, alerts, weather, and so on.

Adware.MegaSearch is not to be mistaken with a virus or a Trojan application, as Adware.MegaSearch is regarded by many experts as a "potentially unwanted program" (PUP).

PUPs are applications that a security, or privacy-minded computer user may want to be informed of and, in most instances, may feel the need to remove.

PUPs are often made by a legitimate corporate entity for some beneficial purpose, but they alter the security state of the computer on which they are installed, and may even compromise the privacy of the infected system.

Adware.MegaSearch is a program that facilitates the delivery of advertising content to the system user and in some cases may gather information from the user's computer, including information related to Internet browser usage and other computer habits.

Adware.MegaSearch may monopolize the computer system’s resources and is largely responsible for the countless pop-up advertisements the user will be bombarded with.

To avoid any unneeded risks of damage to your computer system, it is highly recommended to make use of a reliable and legitimate anti-spyware application, to remove Adware.Hotbar and all its components from the infected computer system.

Once a computer user visits one of the dubious website affiliated with Adware.MegaSearch, they are prompted to install an ActiveX plug-in, which will give the adware parasite permission to install onto the user’s computer.

As soon as the Adware.MegaSearch adware program is installed it will start to display very intrusive pop-up messages and advertisements. The pop-up messages may take up all of the available workspace on a users screen, rendering their computer useless for several moments.

Unfortunately, the end-user typically has no knowledge of the presence of adware ... until things start to go all sorts of wrong.

The main focus of adware is to display targeted advertisements based on the user's personal interests, Adware.MegaSearch is no exception.  

Should a computer be infected with this malicious software, it is recommended that you remove it immediately. There is a good chance that Adware.MegaSearch may completely restore itself because of a multiple infections.  

In this instance you can attempt to remove Adware.MegaSearch from the Windows registry or with the aid of an anti-spyware program.  

You will need to consult an expert for step-by-step instructions on how to do just that – to ensure the virus is eradicated completely. Remember, this application needs to be eradicated immediately!

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How to manually remove Adware.MegaSearch

Files associated with Adware.MegaSearch infection:


Adware.MegaSearch DLL's to remove:


Remove Adware.MegaSearch registry entries:

HKEY_LOCAL_MACHINESoftwareMicrosoftInternet ExplorerToolbar{4E7BD74F-2B8D-469E-8CBD-FD60BB9AAE2E}
HKEY_LOCAL_MACHINESoftwareMicrosoftInternet ExplorerToolbar{4E7BD74F-2B8D-469E-A0EC-FE6EA084B77D}
HKEY_LOCAL_MACHINESoftwareMicrosoftInternet ExplorerToolbar{4E7BD74F-2B8D-469E-D0FC-E57AF4D5FA7D}
HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionExplorerBrowser HelperObjects{4E7BD74F-2B8D-469E-92BE-BF2DFE9AAE2C}
HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionExplorerBrowser HelperObjects{4E7BD74F-2B8D-469E-94BE-FD60BB9AAE29}
HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionExplorerBrowser HelperObjects{A057A204-BACC-4D26-C7D7-6BAD84E32FCB}
HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Toolbar\{4E7BD74F-2B8D-469E-8CBD-FD60BB9AAE2E}
HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Toolbar\{4E7BD74F-2B8D-469E-A0EC-FE6EA084B77D}
HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Toolbar\{4E7BD74F-2B8D-469E-D0FC-E57AF4D5FA7D}
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\Browser HelperObjects\{4E7BD74F-2B8D-469E-92BE-BF2DFE9AAE2C}
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\Browser HelperObjects\{4E7BD74F-2B8D-469E-94BE-FD60BB9AAE29}
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\Browser HelperObjects\{A057A204-BACC-4D26-C7D7-6BAD84E32FCB}

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