Remove PUP.Optional.UnFriendChecker (Removal Guide)

PUP.Optional.UnFriendChecker is a specific detection used by Malwarebytes Anti-Malware and other antivirus products to indicate and detect a Potentially Unwanted Program.
A potentially unwanted application is a program that contains adware, installs toolbars or has other unclear objectives.

PUP.Optional.UnFriendChecker it’s technically not a virus, but it does exhibit plenty of malicious traits, such as rootkit capabilities to hook deep into the operating system, browser hijacking, and in general just interfering with the user experience. The industry generally refers to it as a “PUP,” or potentially unwanted program.
The PUP.Optional.UnFriendChecker infection is used to boost advertising revenue, as in the use of blackhat SEO, to inflate a site’s page ranking in search results.

PUP.Optional.UnFriendChecker got on your computer after you have installed a freeware software (video recording/streaming, download-managers or PDF creators) that had bundled into their installation this browser hijacker. This Potentially Unwanted Propgram is also bundled within the custom installer on many download sites (examples: CNET, Brothersoft or Softonic), so if you have downloaded a software from these websites, chances are that PUP.Optional.UnFriendChecker was installed during the software setup process.

PUP.Optional.UnFriendChecker is an ad-supported (users may see additional banner, search, pop-up, pop-under, interstitial and in-text link advertisements) cross web browser plugin for Internet Explorer (BHO) and Firefox/Chrome (plugin) and distributed through various monetization platforms during installation. The browser extension includes various features that will modify the default or custom settings of the browser including the home page, search settings and in some cases will modify Internet Explorer’s load time threshold, place a lock file within Firefox to prevent competing software from changing its settings as well as disable the browser’s Content Security Policy in order to allow for cross site scripting of the plugin.

You should always pay attention when installing software because often, a software installer includes optional installs, such as this PUP.Optional.UnFriendChecker browser hijacker. Be very careful what you agree to install.

Always opt for the custom installation and deselect anything that is not familiar, especially optional software that you never wanted to download and install in the first place. It goes without saying that you should not install software that you don’t trust.

News article is edited by: yakura - 13-04-2018, 11:12

Comments 5

Hopes
Hopes 2 November 2018 22:25
When you are using a system on daily basis then make sure you make it clean and good. Well, the academiaipuense share a method and a software which you use to remove this virus.
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