How to Remove 877-671-3431 Pop-up from IE/ Chrome/ Firefox/ Edge Effectively?

"Lauched Edge and it froze with a screen telling me to call Mircrosoft at 877-671-3431 to unlock my computer.
I did not call and no matter what I do, I cannot get it off my computer. Restarting does not help. Ran the Microsoft safety tool, said not infected. Ran Windows Defender, says not infected, ran Malwarebytes and superspy nothing picks it up and Edge browser and tabs are frozen...Can someone please help me with this?"

What is 877-671-3431 pop-up?

877-671-3431 pop-up is regarded as a malicious scam, which is created by scammers to cheat money from the innocent victims by promoting their paid support services and programs. Technically speaking, the 877-671-3431 pop-up is mainly caused by an adware or a potentially unwanted program. After corrupting your PC, unauthorized changes will be made on the browser settings, causing pop-ups, homepage hijacking, redirects, etc.

In order to draw more attention, the 877-671-3431 pop-up keeps promoting out as long as you open the browser or a new tab. You may notice that this scam pop-up tries to convince you that "Network Server has detected some suspicious activity from your IP address" and you need to contact Microsoft support at 877-671-3431 or 1-877-671-3431 to unlock your PC. However, what you will get when calling 877-671-3431 are all lies.

You will be confirmed with not just few but enormous viruses you had. Be warned that it is just a strategy used by the scammers to cheat you money. Never take in! Calling 877-671-3431 has nothing to do with your current situation. What you should to is to take measures to get rid of 877-671-3431 pop-up and all its components as soon as possible.

How to get rid of 877-671-3431 pop-up easily and completely?

Method 1: Follow a recommended video
Method 2: Manually remove it yourself
Method 3: Automatically remove it by using SpyHunter

Method 1: Follow a recommended video

(In case the removal video is not always helpful for your specific issue in your specific system, please Free Download Recommended Security Tool to fix your PC.)

Method 2: Manually remove it yourself

Step 1: Close 877-671-3431 pop-up pop-up

Press Ctrl+Shift+Esc all together to open Task Manager, locate its related process (e.g. iexplore) and click "End Process".

Step 2: Reset your web browser

Internet Explorer:

1. Open Internet Explorer, click on the gear icon, choose "Internet options", go to General tab, enter your favorite website address, and click "Apply".
2. On General tab, click "Delete…" button going to the "Delete Browsing History" window, click "Delete". Click "OK" to close the Internet Options window.
3. Click "Start", find "Internet Explorer" and then right click on it, choose "properties". On the pop-up window, go to Shortcut tab, delete the extension after ".exe" in Target, and click "OK".

Google Chrome:

1. Open Google Chrome, click on the icon menu (top right), select "Settings", and then go to On startup option, click "Set pages", delete the unwanted website address and then "OK".
2. Go to Appearance option, check "Show Home button", and then click "Change". On the pop-up window, delete the unwanted website address in Open this page option, click "OK", and then uncheck "Show Home button".
3. Go to History tab, click "Clear browsing date…" button. On the confirm window, click "Clear browsing date", and then close Chrome.
4. Click "Start", find "Google Chrome", right click on it, and select "properties". On the pop-up window, go to Shortcut tab, delete the extension after ".exe" in Target, and click "OK".

Mozilla Firefox:

1. Open Mozilla Firefox, click on the icon menu (top right) and select "Options". Go to General tab, click "Restore to Default", and then click "OK".
2. Here select "History", click the "Clear Recent History…" button. On the pop-up window, click "Clear Now".
3. Click "Start", find "Mozilla Firefox", right click on it, and select "properties". On the pop-up window, go to Shortcut tab, delete the extension after ".exe" in Target, and click "OK".

Microsoft Edge:

1. Type your homepage URL (here takes google.com as an example.) in the search bar next to the Windows 10 logo on the bottom off the screen, and hit Enter.
2. Microsoft Edge opened up with a new tab for Google. You can see 877-671-3431 pop-up still opens in a new tab that doesn't have focus.
3. Click the "X" to close Edge. Do not click on 877-671-3431 pop-up tab or it will get focus again.

Step 3: After a reboot the pop-up should be gone.

Method 3: Automatically remove it by using SpyHunter

Users: Why should I choose SpyHunter?

Lily: SpyHunter is a powerful, real-time anti-spyware application that designed to assist the average computer user in protecting their PC from malicious threats like worms, Trojans, rootkits, rogues, dialers, spyware,etc.

Users: Oh, it sounds really helpful!

Lily: Here shows how it works. See for your reference.

Step 1: Download SpyHunter to kill 877-671-3431 pop-up.

Follow the installation guides to install it properly.

Step 2: Click "Malware Scan" to scan for 877-671-3431 pop-up.

Step 3: Select all the threats and click Remove to fix them.

Optional Step: Optimize your PC with RegCure Pro

Users: What can RegCure Pro do for me?
Lily: Developed by ParetoLogic Inc, RegCure Pro is really good at dealing with the left files. It can help to check and optimize your PC at the same time.
Users: Does RegCure Pro contain any additional items or conflict with my current used antivirus program?
Lily: No. You can download and use it with confidence. Here shows how it works.

Step 1: Download RegCure Pro.

Step 2: Follow the installation guides to install RegCure Pro step by step.

Step 3: Launch RegCure and make a full scan.

Step 4: If you do find anything, click "Fix All" to get rid of all the problems.

Important Note:

On removing 877-671-3431 pop-up, computer experts can try the manual steps. Novices are recommended to take SpyHunter. Don't make your PC worse when you even can't tell from your system files.

To check and optimize your PC, please click here for RegCure Pro.