Claro Search also known as iSearch is an Ad ware program installed automatically when we install some free windows software and also it changes our browser settings including Internet Explorer automatically with out our notice.
Next time when you try to installing any softwares especially free ones, select for the custom installation and deselect anything that is not familiar. Once claro search is installed, when you open chrome or new tab you will get a new Claro search page by over-riding your current settings.
Instructions to Remove Claro Search from Google Chrome
First of all Uninstall Claro search program from your computer.
Go to Control Panel → Add or Remove Programs → Uninstall Claro (In your PC the name might be different, so its better to install all programs named claro)
Go to Chrome Settings → Extensions on left side and find Claro Toolbar then click on the Bin icon to completely remove claro search extension from chrome.
Voila! You have just successfully removed this shit from your Chrome.
Instructions to Remove Claro Search from Firefox
Follow the first two steps that mentioned in “Instructions to Remove Claro Search from Google Chrome
Click on the search icon in the search box and select Manage Search Engines.
Choose Claro Search from the list of search engines, click Remove to successfully remove it. Proceed to click OK to save changes.
Navigate to Tools → Options. Under the General tab reset the startup homepage or change it to your preferred search engine.
In address bar type about:config and hit Enter and click on I’ll be careful, I promise!
In the search box type claro.search.com. Now you can see a single item in the preference window, right-click on that item and select Reset.
Congrats, You successfully removed Claro search from firefox.
If you face any difficulties at any step, please let me know via comments, I can help you.