Home Malware Programs Browser Hijackers Brothersoft Toolbar

Brothersoft Toolbar

Posted: July 23, 2013

Threat Metric

Ranking: 13,335
Threat Level: 5/10
Infected PCs: 2,511
First Seen: July 23, 2013
Last Seen: August 17, 2023
OS(es) Affected: Windows


Brothersoft Toolbar, also known as BrotherSoft Extreme2 B1 Toolbar, is a Conduit toolbar (Community OurToolbar) for Intenet Explorer and Mozilla Firefox. Brothersoft Toolbar may collect and store information about the computer user's Web browsing habits and transmit this information to Conduit so they can offer services or show unwanted advertisements via the toolbar. Brothersoft Toolbar may strive to modify the default home page and search service if the PC user is not careful during installation and provide a search box and numerous other generic features. If the default home page and search settings are changed by Brothersoft Toolbar, they need to be manually reverted back by the PC user if he decides to uninstall Brothersoft Toolbar. Brothersoft Toolbar may also automatically download and install updates without notifying the computer user.

Technical Details

Registry Modifications

The following newly produced Registry Values are:

CLSID{51A86BB3-6602-4C85-92A5-130EE4864F13}{AEE88B81-C2FB-4733-A826-88CB0A67FB61}HKEY..\..\..\..{RegistryKeys}Software\AppDataLow\Software\BrotherSoft_ExtremeSOFTWARE\Classes\Toolbar.CT2776682Software\Microsoft\Internet Explorer\Approved Extensions\{51a86bb3-6602-4c85-92a5-130ee4864f13}SOFTWARE\Microsoft\Internet Explorer\Toolbar\{51a86bb3-6602-4c85-92a5-130ee4864f13}SOFTWARE\Microsoft\Internet Explorer\URLSearchHooks\{51a86bb3-6602-4c85-92a5-130ee4864f13}SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{51a86bb3-6602-4c85-92a5-130ee4864f13}Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{51a86bb3-6602-4c85-92a5-130ee4864f13}Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{51A86BB3-6602-4C85-92A5-130EE4864F13}SOFTWARE\Wow6432Node\BrotherSoft_ExtremeSOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Toolbar\{51a86bb3-6602-4c85-92a5-130ee4864f13}SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\URLSearchHooks\{51a86bb3-6602-4c85-92a5-130ee4864f13}SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{51a86bb3-6602-4c85-92a5-130ee4864f13}HKEY_LOCAL_MACHINE\Software\[APPLICATION]\Microsoft\Windows\CurrentVersion\Uninstall..{Uninstaller}BrotherSoft Extreme ToolbarBrotherSoft_Extreme Toolbar

Additional Information

The following directories were created:
%PROGRAMFILES%\BrotherSoft_Extreme%PROGRAMFILES(x86)%\BrotherSoft_Extreme
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