BuenoSearch Toolbar

Threat Scorecard

Popularity Rank: 3,360
Threat Level: 50 % (Medium)
Infected Computers: 53,966
First Seen: October 22, 2013
Last Seen: January 25, 2026
OS(es) Affected: Windows

BuenoSearch Toolbar is a potentially bad toolbar that may integrate itself into Web browsers such as Internet Explorer, Google Chrome and Mozilla Firefox. BuenoSearch Toolbar may claim to improve the PC user's Internet surfing quality. BuenoSearch Toolbar may spread and install itself on the Web browser as an optional application through bundled free software that PC users can download from suspicious download websites. Upon installation, BuenoSearch Toolbar may modify the default homepage and search engine or a new tab window with an untrustworthy website. BuenoSearch Toolbar may also track the computer user's Internet browsing activity by recording browsing information and then transfer and use it for the purpose of delivering targeted ads. BuenoSearch Toolbar may insert a plug-in, add-on or browser extension, which may be used to show annoying pop-up advertisements and notifications on the PC. BuenoSearch Toolbar may strive to benefit from clicks on advertisements and notifications.

SpyHunter Detects & Remove BuenoSearch Toolbar

File System Details

BuenoSearch Toolbar may create the following file(s):
# File Name MD5 Detections
1. BuenoSearch.ico a16077ad74d01d7ca79e291d1bb4b5c0 139
2. buenosetup.exe 421250c5c3111206ef45daec3d3fc38f 55
3. buenosearch.dll 5176f89533ced0dd0918071079443c11 3
4. buenosearch.exe 797c2943ced8a2edf38c9da850f7f318 1
More files

Registry Details

BuenoSearch Toolbar may create the following registry entry or registry entries:
CLSID
{0BDDE35F-64F7-49C3-99B2-404E899C49F7}
{24236608-609C-42C5-B13C-A8A3EC921850}
{28B1A706-4B97-4EB1-8B32-125042685AD9}
{33575A26-D9CF-40C6-8A3E-116F17201C7F}
{37EB75F2-7392-4DBE-B5AD-147EC6D7BF5F}
{4BDFD19F-93D7-49CE-B554-5C215FDC0136}
{4CC15FBA-46A4-4CB5-BFAF-F2335365AE76}
{5B6E533F-F78F-4525-B316-312BAF1295D1}
{67FCE87F-F3EF-4A3C-87C2-8BD46E68807B}
{7307CF0F-7173-4FBF-8649-B149916DD322}
{80A5E38C-5F6B-485F-BD97-0B5BE991FAD5}
{828DC97A-2277-4E10-92A9-4907FA0922A9}
{8322EB6E-B594-41F6-A30B-CF3F800E1874}
{9544D727-A26F-4D57-AF38-4496088640EA}
{AC4C30BF-7D5F-4EAB-9C2A-454178F079AA}
{BAB04997-93AD-4C13-805A-0409199700BB}
{BC6F9C26-93EA-4C6D-A4A7-C1FA333B4BBE}
{E6772887-C1E1-405E-94BB-D8760A1CF8DF}
{E975527B-ABE7-40B3-B5C1-385016913E3B}
{EFA4B5B1-6C76-4B20-BCDB-D41A93E79053}
{EFC32678-546B-4367-8B25-B40BF45CC1A3}
{F1C81E40-2485-4DB6-8C9D-04BD596B281E}
File name without path
Buenosearch.lnk
http_www.buenosearch.com_0.localstorage
http_www.buenosearch.com_0.localstorage-journal
Regexp file mask
%WinDir%\System32\Tasks\Buenosearch
%WINDIR%\System32\Tasks\EPUpdater
Software\buenosearch
Software\buenosearch LTD
SOFTWARE\Classes\buenosearch.buenosearchappCore
SOFTWARE\Classes\buenosearch.buenosearchappCore.1
SOFTWARE\Classes\buenosearch.buenosearchdskBnd
SOFTWARE\Classes\buenosearch.buenosearchdskBnd.1
SOFTWARE\Classes\buenosearch.buenosearchHlpr
SOFTWARE\Classes\buenosearch.buenosearchHlpr.1
SOFTWARE\Classes\esrv.buenosearchESrvc
SOFTWARE\Classes\esrv.buenosearchESrvc.1
Software\Microsoft\Internet Explorer\Approved Extensions\{828DC97A-2277-4E10-92A9-4907FA0922A9}
Software\Microsoft\Internet Explorer\Approved Extensions\{8322EB6E-B594-41F6-A30B-CF3F800E1874}
Software\Microsoft\Internet Explorer\Approved Extensions\{F1C81E40-2485-4DB6-8C9D-04BD596B281E}
Software\Microsoft\Internet Explorer\DOMStorage\buenosearch.com
Software\Microsoft\Internet Explorer\DOMStorage\www.buenosearch.com
SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{708D0DD7-FBC0-4437-B525-C098F450A62C}
Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage\buenosearch.com
Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage\www.buenosearch.com
Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\buenosearch.exe
SOFTWARE\Microsoft\Internet Explorer\Toolbar\{828DC97A-2277-4E10-92A9-4907FA0922A9}
SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\Buenosearch
SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{F1C81E40-2485-4DB6-8C9D-04BD596B281E}
Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{828DC97A-2277-4E10-92A9-4907FA0922A9}
Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{F1C81E40-2485-4DB6-8C9D-04BD596B281E}
Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{828DC97A-2277-4E10-92A9-4907FA0922A9}
Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{F1C81E40-2485-4DB6-8C9D-04BD596B281E}
SOFTWARE\Microsoft\Windows\CurrentVersion\Run\buenosearch
SOFTWARE\Wow6432Node\buenosearch
SOFTWARE\Wow6432Node\buenosearch LTD
SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{708D0DD7-FBC0-4437-B525-C098F450A62C}
SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Toolbar\{828DC97A-2277-4E10-92A9-4907FA0922A9}
SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{F1C81E40-2485-4DB6-8C9D-04BD596B281E}

Directories

BuenoSearch Toolbar may create the following directory or directories:

%ALLUSERSPROFILE%\buenosearch
%AppData%\buenosearch
%AppData%\buenosearch LTD
%LOCALAPPDATA%\buenosearch
%PROGRAMFILES%\buenosearch LTD
%PROGRAMFILES(x86)%\buenosearch LTD
%ProgramFiles%\buenosearch
%ProgramFiles(x86)%\buenosearch
%TEMP%\mt_ffx\buenosearch
%TEMP%\mt_ffx\buenosearch LTD
%USERPROFILE%\AppData\LocalLow\buenosearch LTD
%userprofile%\appdata\locallow\buenosearch

URLs

BuenoSearch Toolbar may call the following URLs:

buenosearch.com

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