Uninstall/Delete KeyCoupons Adware Virus Effectively

Introduction about KeyCoupons 

KeyCoupons is an annoying adware program which can mess up targeted computer terribly. After KeyCoupons sneaks in your computer, it is capable of changing default browser settings. Meanwhile, it inserts many useless and harmful add-ons on your browsers so that it can stay in your computer stubbornly. Every time when you open a new tab or visit certain websites, you will receive tons of strange pop-up ads. In fact, the main purpose of KeyCoupons is promoting certain websites in order to help cyber criminals get profits. Thus, these pop-up ads are supported by KeyCoupons and if you have clicked one of these pop-up ads, you will be led to particular websites which are also related to KeyCoupons and your computer probably will get into a more dangerous situation. Moreover, KeyCoupons will bring in other malicious programs to your computer automatically and these junk softwares can consume lots of system resources. So your computer running speed will be dragged down severely.

Since KeyCoupons can come into your computer secretly by adding itself to free softwares from internet, you should pay more attention when you download or install a new program. You should download software from formal websites and you should always choose customer installation so that you can stay closer to every installation step and make sure no additional suspicious applications can sneak in your computer. But if your computer has already been infected, it’s so important for you to remove KeyCoupons from your computer without any delay.

KeyCoupons Screenshot

Harmful Properties of KeyCoupons 

1. It can affect all browsers and changes original settings.

2. It inserts many useless stubborn add-ons on your browsers.

3. It introduces more malicious programs in your computer.

4. It shows numerous pop-up ads to interrupt your terribly.

5. It has the ability to record your online information secretly.
6. It can bypass the antivirus and stay in computer safely. 

How to Uninstall KeyCoupons Easily
Before the removal, please first back up your system! You should be extremely careful when deleting any file, because any mistake may lead to system crashes and other severe consequence.
METHOD 1. Manual Removal
Step One:
Click "Start" to open "Control Panel", then click "Uninstall a program". Then uninstall KeyCoupons programs and other unknown programs.

Step Two: 
Remove Add-ons from browsers (IE, Firefox, Chrome).
1. Internet Explorer:
Click "Tools" and then click "Manage add-ons". Find KeyCoupons related extensions and other unknown add-ons in "Toolbars and Extensions" and "Disabled" them.

2. Firefox:
Click "Firefox(Tools)" and then click "Add-ons". Find KeyCoupons related extensions and other unknown extensions and "Disable" or "Remove" them.

3. Chrome:
Click "Menu" to open "Tools" and then click "Extensions". Find KeyCoupons related extensions and other unknown extensions and "Disable" them.

Step Three:
Click “Start” button and open the “Control Panel”, then double-click “Folder Options”. When the Folder Options window shows up, please click on the “View” tab, tick “Show hidden files and folders” and unmark “Hide protected operating system files(Recommended)” and then press OK.

Step Four:

Open Start menu and click on the “Search programs and files” box. Then delete KeyCoupons files: 

%AllUsersProfile%\Application Data\random.dll

%AllUsersProfile%\Application Data\random.exe

%UserProfile%\Desktop\KeyCoupons 

%UserProfile%\Start Menu\KeyCoupons

Step Five:

Open Registry Editor by pressing Windows+R keys, type in regedit and click “OK” to launch the Windows Registry. Then delete all KeyCoupons registry entries and keys.

HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main StartPage 

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run

 

METHOD 2. Automatic Removal 

To completely delete KeyCoupons, you need to know that the manual removal above may not be able to remove virus  completely, because the creators of virus are always updating the virus version.Besides,any tiny mistake during the manual removal process may lead to severe consequences. Therefore,to ensure a complete and safe virus removal, it’s recommended that you get rid of virus with Automatic KeyCoupons Removal Tool.                                                                                   

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