AdwCleaner is an application capable of uninstalling toolbars and other types of advertising (adwares) that are added during the installation of various softwares. While such software can be very useful, they often use these practices to obtain financing that helps develop their products, and can be distributed free of charge.
In some cases these toolbars installed in browsers may not bother the user and may even be useful because they include access to certain services, while in other cases may become more invasive and even get to modify The homepage of the browser or the default search engine, pointing to their own interests (such as the search Delta Search or Claro Search). If the user detects that his searches are not directed to his preferred search engine (Google, Bing, etc.) he is likely to have been affected by some kind of adware.
Other variants of advertising that can be installed in the system open popups with advertising and in some cases you can get to filter some type of spyware or Hijacker type applications. In case you do not have a blocker of these types of malware during the installation of programs, such as SpyBot, and that the antivirus has not detected them, you can use AdwCleaner for deletion.
AdwCleaner performs a deep analysis in search of some of the mentioned elements, and after finishing the processing it shows a text file with the results, being provided with the option "Suppression" to proceed to the uninstallation. In some cases, it is necessary to restart the system to finish with the correct uninstallation of the elements found. It is important that browsers close during the scan and run as an administrator.
It is worth mentioning that some of the most popular antivirus have already incorporated in its last editions a tool of this type; In the case of Avast can be accessed from its window in the section called "Cleaning the browser", therefore can be tested, and in case of not obtaining favorable results can opt for a more specific and powerful program as AdwCleaner.
AdwCleaner 4 (4.101) is the latest version (updated November 2014), available for Windows XP, Vista, 7 and Windows 8, both 32-bit and 64-bit versions. The program is portable therefore no installation required and can be run from a USB stick to disinfect any equipment. The download of this product is free.