Alexa Toolbar is a browser extension, plugin or addon for Google Chrome and Mozilla Firefox, also called a Browser Helper Object for Internet Explorer. The Alexa Toolbar is made and promoted by Alexa and will replace or hijack your default homepage to Alexa.com and in this case the search results are promoted by Alexa.com called Alexa Search. The Alexa Toolbar is bundled during the installation process of free or shareware downloads by download managers. This PUP – Potentially Unwanted Program is not a malicious process, but it’s build to promote services, advertisements and should not be bundled during the installation process to trick users into installing it without a decent notice.
It is advised to always read the Terms and Agreements before installing software on your computer. Do never click too fast thru the installation process [Next] button of software as you will agree to software you might not want to install. If the installer offers a Advanced or Custom option button, click it to find out if there is any other malicious software offered and installed during the installation process.