Get Rid of Ads by Comet Arcade Virus from Chrome/Firefox/IE

I receive lots of ads from Comet Arcade on my browser. I have run my security tool to scan my PC, but it detects nothing. What's wrong with my browser? How can I remove all pop-ups of Comet Arcade?

Description of Comet Arcade

Comet Arcade is known as an unwanted adware which can show you numerous pop-up ads, sponsored links and coupons information to disturb your browsing activities no matter what browsers you use. Comet Arcade claims that it can save your time and money, but actually, it slows down your system performance and annoys you with popping up many commercial ads especially while you are visiting some online shopping websites such as Wallmart, Ebay and Best Buy.
In fact, Comet Arcade is created by hacker to generate web traffic and get profit from it. To achieve this purpose, this virus will keep recording your trace online such as your search keywords, favorites websites and other browsing histories. And your important information may be collected by it for marketing purposes. If you keep Comet Arcade longer on your system, it will add unwanted toolbars or extensions onto your system to compromise your PC severely. Hence, please remove it from your PC now.

Screenshot of Comet Arcade

Annoyances that are caused by Comet Arcade:

1.Comet Arcade virus will slow down your PC speed, so you cannot use your PC smoothly.
2.Lots of ads keep popping up when you surf the Internet.
3.Comet Arcade virus will disable your antivirus program and help other viruses attack your PC
4.Redirect problem will happen all the time.

Steps to remove Comet Arcade virus:

1.Stop all vicious processes of Comet Arcade from Task Manager
To do this, you can hit Ctrl+Shift+Esc at the same time to open the Task Manager. But you should know that the virus’s name may vary from one to other, so you should be careful.

2.Display all hidden files so as to remove Comet Arcade's files
To show all hidden files from PC, please follow these steps:
①Click Start Menu and click Control Panel

②Click Appearance and Personalization and click Folder Options

③Go to View tab, tick Show hidden files and folders and deselect Hide protected operating system files (Recommended)

④Click OK
3.Remove all malicious files and keys from Registry Editor
To do this, you can click on Start Menu and click Run. When a dialogue pops up, you should type "regedit" in the box and click OK.

Then you will see the following Screenshot:

Now, please remove the following keys from the registry:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\run\
HKCU\Software\Microsoft\Windows\CurrentVersion\
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Temp
Note: you should know that any mistake changes happen in the registry will cause other serious system problems. So before you make some changes, you should back up your registry first!

How to Open & Back up the Registry