Danger level 2
Type: Browser Plugins

Alexa Toolbar

Alexa Toolbar is an Amazon.com browser extension which can be applied to Mozilla Firefox and Internet Explorer browsers and which has been found responsible for questionable and unauthorized personal information gathering. The toolbar is considered legitimate and, therefore, can be installed from the authentic web page alexa.com; however, it can also be attached to your browser after downloading free bundled software. Even though the application does not appear to be harmful, you should delete Alexa Toolbar and apply a different legal and reliable tool to improve your Internet browsing experience. Please continue reading to understand why using the extension is inadvisable and how you can ensure your system is guarded against any malignant activity.

The questionable Alexa Toolbar is composed of multiple dynamic link library files and alexa.exe. In certain cases, this component is categorized as dangerous because it can act as a worm and infect an operating system with malignant programs. It has also been found out that AlxTB1.dll can be hidden, manages to circumvent existing security tools’ detection and is difficult to remove. To top it all off, another toolbar’s component alxres.dll can use MIME protocols to send spam email using personal accounts of a user who operates the Alexa Toolbar. It is clear that the application can collect private information about you just by reading this extract from the ‘Alexa Internet Terms of Use Agreement’:

NOTE: Alexa's toolbar service collects and stores information about the web pages you view. In some cases, information collected by the toolbar service may be personally identifiable, but privacy is important at Alexa, and we do not attempt to analyze web usage data to determine the identity of any Alexa user. […] The software may cause Alexa to collect and store full Uniform Resource Locators, more commonly known as "URLs," for Web pages that you view while using the Alexa Service.

Even though it is possible that Alexa Toolbar developers take great precaution to secure your identifiable data, we do not recommend taking the risk as this could lead to extremely illegal and unauthorized activity linked to cyber crime. If you wish to continue using the questionable application, you need to ensure that your computer is guarded by the latest version of a reliable malware detection and removal tool SpyHunter, which you can download by clicking on the button below. To uninstall the Alexa Toolbar from your browser, use these instructions:

Instructions for Windows Vista/7 users:

1. Close running browsers.
2. Click on the Start menu and then Control Panel.
3. On the left hand side you will be offered two options: Control Panel Home and Classic view. Select Control Panel Home.
4. Locate Programs and click on Uninstall a program.
5. Click on View Installed Updates.
6. Locate the toolbar and right-click to select Uninstall.
7. Restart the PC.

Instructions for Windows XP users:

1. Close running Internet Explorer or Mozilla Firefox browsers.
2. Click on the Start menu (left side of the Task Bar) and click on Control Panel.
3. Double-click on the Add or Remove Programs.
4. Click Change or Remove Programs on the left hand side.
5. Detect the Alexa Toolbar and click on the Remove button.
6. Restart the PC.

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How to manually remove Alexa Toolbar

Files associated with Alexa Toolbar infection:

alexa.exe
alxtb1.dll
alxtb.dll
alxres.dll
alexaie.dll

Alexa Toolbar DLL's to remove:

alxtb1.dll
alxtb.dll
alxres.dll
alexaie.dll

Alexa Toolbar processes to kill:

alexa.exe

Remove Alexa Toolbar registry entries:

04D79E9F-09A9-4AED-9FC2-6E63A3BCA51E
0B32BCCD-4D64-48EB-8EC3-9BA0807D1349
0BBB0424-E98E-4405-9A94-481854765C80
0F3332B5-BC98-48AF-9FAC-05FEC94EBE73
19C33034-3878-4beb-B843-62C2761AFF96
27D784D7-9217-4227-B43B-E06E4781E0CB
3CEFF6CD-6F08-4e4d-BCCD-FF7415288C3B
3E60160F-0ED6-4DCC-B6B6-850CDE4FD217
3F41980D-B681-488E-9757-0C9744F9C3CE
49160F0D-6BE2-4F5F-BCDB-9256DA3BB120
547AB549-4DD8-4ea0-B070-F6EA062148FF
5A9961FD-B0A6-4065-9552-EBFC199683A3
6912BEB3-E20C-4953-8C8E-E91B12B55BFC
69A72A8A-84ED-4a75-8CE7-263DBEF3E5D3
738CB0ED-54A7-4061-AE2E-40EFD9B1EEF6
7BF3A7DB-A516-4e24-B40A-F60B34699E26
9AF74448-EBD1-484C-8B06-35E597C0B54C
9BAB764B-E4F3-4C7B-99AD-CDF696BBE3A8
A69107CC-BEC8-4A34-B474-211B0F46A764
A6A68CBD-6673-41B1-B997-3F83A25B45B0
ABF7C4D4-53EF-4C15-8954-D22F63C98E9F
AC2A5E17-05ED-4E62-86E5-84779E8F0BCA
Alexa65
B71C7D9A-DA43-4E8B-BB98-1684AC2AF324
B79D9232-A798-43DB-9E61-281D550460E4
B7B84995-8B92-46BF-94AA-FA2F3DD23B84
DC21CEDE-3E81-43D7-B816-DAEFA7B4901F
EA20F195-32DA-4bd6-B348-FD02FC7D3D5A
EACAA5CE-99B3-470E-9629-8F98F4C4B637
F1FABE79-25FC-46de-8C5A-2C6DB9D64333
FA77AD79-09CF-41FB-B171-CC856F9E737F
HKEY_CLASSES_ROOTAlxTB.BHO
HKEY_CLASSES_ROOTAlxTB.BHO.1
HKEY_CLASSES_ROOTCLSID{27D784D7-9217-4227-B43B-E06E4781E0CB}
HKEY_CLASSES_ROOTCLSID{3CEFF6CD-6F08-4e4d-BCCD-FF7415288C3B}
HKEY_CLASSES_ROOTCLSID{69A72A8A-84ED-4a75-8CE7-263DBEF3E5D3}
HKEY_CLASSES_ROOTCLSID{7BF3A7DB-A516-4e24-B40A-F60B34699E26}
HKEY_CLASSES_ROOTCLSID{EA20F195-32DA-4bd6-B348-FD02FC7D3D5A}
HKEY_CLASSES_ROOTCLSID{F1FABE79-25FC-46de-8C5A-2C6DB9D64333}
HKEY_CLASSES_ROOTInterface{04D79E9F-09A9-4AED-9FC2-6E63A3BCA51E}
HKEY_CLASSES_ROOTInterface{0B32BCCD-4D64-48EB-8EC3-9BA0807D1349}
HKEY_CLASSES_ROOTInterface{0BBB0424-E98E-4405-9A94-481854765C80}
HKEY_CLASSES_ROOTInterface{0F3332B5-BC98-48AF-9FAC-05FEC94EBE73}
HKEY_CLASSES_ROOTInterface{3E60160F-0ED6-4DCC-B6B6-850CDE4FD217}
HKEY_CLASSES_ROOTInterface{3F41980D-B681-488E-9757-0C9744F9C3CE}
HKEY_CLASSES_ROOTInterface{49160F0D-6BE2-4F5F-BCDB-9256DA3BB120}
HKEY_CLASSES_ROOTInterface{5A9961FD-B0A6-4065-9552-EBFC199683A3}
HKEY_CLASSES_ROOTInterface{6912BEB3-E20C-4953-8C8E-E91B12B55BFC}
HKEY_CLASSES_ROOTInterface{738CB0ED-54A7-4061-AE2E-40EFD9B1EEF6}
HKEY_CLASSES_ROOTInterface{9AF74448-EBD1-484C-8B06-35E597C0B54C}
HKEY_CLASSES_ROOTInterface{9BAB764B-E4F3-4C7B-99AD-CDF696BBE3A8}
HKEY_CLASSES_ROOTInterface{A69107CC-BEC8-4A34-B474-211B0F46A764}
HKEY_CLASSES_ROOTInterface{A6A68CBD-6673-41B1-B997-3F83A25B45B0}
HKEY_CLASSES_ROOTInterface{ABF7C4D4-53EF-4C15-8954-D22F63C98E9F}
HKEY_CLASSES_ROOTInterface{AC2A5E17-05ED-4E62-86E5-84779E8F0BCA}
HKEY_CLASSES_ROOTInterface{B71C7D9A-DA43-4E8B-BB98-1684AC2AF324}
HKEY_CLASSES_ROOTInterface{B79D9232-A798-43DB-9E61-281D550460E4}
HKEY_CLASSES_ROOTInterface{B7B84995-8B92-46BF-94AA-FA2F3DD23B84}
HKEY_CLASSES_ROOTInterface{DC21CEDE-3E81-43D7-B816-DAEFA7B4901F}
HKEY_CLASSES_ROOTInterface{FA77AD79-09CF-41FB-B171-CC856F9E737F}
HKEY_CLASSES_ROOTPopMenu.Menu
HKEY_CLASSES_ROOTPopMenu.Menu.1
HKEY_CLASSES_ROOTPopup.HTMLEvent
HKEY_CLASSES_ROOTPopup.HTMLEvent.1
HKEY_CLASSES_ROOTPopup.PopupKiller
HKEY_CLASSES_ROOTPopup.PopupKiller.1
HKEY_CLASSES_ROOTTypeLib{547AB549-4DD8-4ea0-B070-F6EA062148FF}
HKEY_CLASSES_ROOTTypeLib{EACAA5CE-99B3-470E-9629-8F98F4C4B637}
HKEY_CURRENT_USER SoftwareMicrosoftOffice[XVS]CommonResearchSources{19C33034-3878-4beb-B843-62C2761AFF96}
HKEY_LOCAL_MACHINE SOFTWAREAlexa Internet
HKEY_LOCAL_MACHINE SOFTWAREAlexa Toolbar
HKEY_LOCAL_MACHINE SOFTWAREMicrosoftWindows CurrentVersionInternet Settings[XVS]User AgentPost PlatformAlexa Toolbar
HKEY_LOCAL_MACHINE SOFTWAREMicrosoftWindows CurrentVersionUninstallAlexa Toolbar
HKEY_LOCAL_MACHINESOFTWAREAlexaInternet
HKEY_LOCAL_MACHINESOFTWAREAlexaToolbar
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionInternetSettings[XVS]UserAgentPostPlatformAlexaToolbar
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUninstallAlexaToolbar
Software\Microsoft\Internet Explorer\Explorer Bars "{B8DB14B3-772F-4ee6-A322-2134DA8C52D6}"
Software\Microsoft\Internet Explorer\Extensions\CmdMapping "{9D74677A-E227-40fb-9511-F7E92EA4083A}"
Software\Microsoft\Internet Explorer\Extensions\CmdMapping "{c95fe080-8f5d-11d2-a20b-00aa003c157a}"
Software\Microsoft\Internet Explorer\MenuExt "Alexa Web Search"
Software\Microsoft\Internet Explorer\MenuExt "Get Alexa Data"
Software\Microsoft\Internet Explorer\MenuExt "Mail to a Friend..."
Software\Microsoft\Internet Explorer\MenuExt "See Related Links"
SOFTWARE\Microsoft\Internet Explorer\Toolbar "{3CEFF6CD-6F08-4E4D-BCCD-FF7415288C3B}"
SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform "Alexa Toolbar"
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