Is GreatCoupon appears in your computer? Does it creating many problems in the computer? Is the installed applications are not working properly and your computer performance became low ? Don’t worry as you are on the right post where you can gather complete information about it. Actually it is a very serious computer threat that is designed by the cyber crooks and it is infecting the Windows running computers. Worldwide this computer threat is distributing through Internet. This is actually a trojan which is highly dangerous for the computer and if it remains in the computer for long time then it will totally corrupt the computer. The infection level of this trojan is very high so it will damage the computer. The effect of this trojan will put your computer at high risk.

What is GreatCoupon?

GreatCoupon is recognized as a risky Trojan horse that accidentally get entered in your system and make it corrupt. It will get complete access to your compromised system and even drain out all your valuable information including banking and personal details. GreatCoupon is created by cyber criminals and evil hackers to make PC vulnerable and make enable other malware easily get entered and ruin up entire system’s performance. Once activated, you will be even prohibited to access your valuable system’s data resulting in severe data loss. It usually target Windows PC by mixing its code in the boot section aiming to get re loaded every time when ever PC get restarted. Thats why, it is advised to remove GreatCoupon as soon as possible and thus make PC again usable.

GreatCoupon seriously change all important functionalities of Windows system including registries entries, DNS, default homepage, background, Internet firewall settings and easily gain access onto entire compromised computer. Such alteration weaken system vulnerabilities and add number of vicious items inside PC including Key loggers, malware, rouge antispyware, PUP and so many other. All these suspicious program degrade additional resources of computer and drastically slow down its overall speed.

To make mater worser then worst, GreatCoupon will seriously corrupt the function of Antivirus program. As a result of this you can not scan your computer smoothly and thus unable to find out the exact problem with system. It also redirect browsing result of user onto illegitimate site through which hacker bring more visitor for their affiliated site. To protect your system from all such kind of malicious properties or damage, it is recommended by expert to delete GreatCoupon from infected system as quickly as possible or without wasting any more time.

Problems caused by GreatCoupon:

In the presence of GreatCoupon threat, so many problems can be caused. It disable the system security or Anti-virus program which weakens the PC. Moreover, Control Panel and Task Manager behavior can also be changes as they are also modified by this threat.

It remotely send your private and sensitive data to cyber hackers.
It allows lots of other harmful parasites to get install into the PC.
It remotely access the targeted computer.
Completely take down the PC performances and make it unresponsive.
Corrupt many of your important files and folders.
Runs its code on the background taking huge memory resources
Modifies kernel or start-up files

Method 1: Remove GreatCoupon by Using SpyHunter.

SpyHunter is a useful malware removal tool that detects and removes many malicious threats that several of the major brands can’t detect. This tool will be able to find out and delete GreatCoupon and other related threats from your PC without much trouble. Now follow the steps below to automatically remove the Trojan horse:

Step 1: Download and install SpyHunter on your PC.

download spyhunter now

Step 2: Upon the installation, launch SpyHunter and perform a full system scan by clicking “Scan Computer Now”.

spyhunter-scan computer now

Step 3: Wait for the scan to complete. Then, you will be shown all detected threats on your PC.

spyhunter-fix threats

Step 4: To clean up all threats completely, click “Fix Threats” and restart your PC.

Method 2: How to manually get rid of GreatCoupon?

Restart your computer in Safe Mode with Networking.

For Windows 8:

Reach the desktop on Windows 8 first.
Press Ctrl + Alt + Del keys together.
Open Switch User interface.

And then hold down the “Shift” key and click on “Shut down” button.
Select Restart option from the pop-up page.
From the next page to choose “Troubleshoot”.

Click on “Advanced Option” and choose “restart”.
Under Startup Settings, press F5/5 key to navigate to the Safe Mode with Networking.

Windows 7, XP and Vista:
Shut down the affected computer first.
Press F8 key repeatedly until Windows Advanced Option Menu loads.
Select the Safe Mode with Networking option by using the up and down arrow keys.
Hit Enter key to reach the desktop.

Step 2: Open Task Manager by tapping Alt+Ctrl+Del keys together. Move the mouse pointer to “Processes” tab. Detect the fake process created by the GreatCoupon popup and click on “End processes” to terminate them.

You can skip this step if you do not find any file associated with GreatCoupon popup.

Step 3: Uninstall GreatCoupon popup programs from the Control Panel.

Remove GreatCoupon popup For Windows 7| Vista

  • Click on Start menu and tap Control Panel.


  • Select “Programs” option and choose “Uninstall a Program”.


  • Detect all the malicious programs associated with GreatCoupon popup and click on Uninstall button.


Steps to Delete GreatCoupon popup From Windows 8

  • On the right edge of the screen, Click on Search button and type “Control Panel”. Click on search button.


  • From the search results, select Control Panel. Its Window will appear on the screen, click on Programs and Features option.


  • Identify the unknown programs and click on Uninstall button to get rid of GreatCoupon popup permanently.


Steps to Delete GreatCoupon popup From Windows 10

  • Click on Start button.


  • To show all the contents, you need to click on Settings option.


  • Tap System.


  • From the System menu, Choose Apps and Features option.


  • Find GreatCoupon popup from the list.


  • Finally, Click on Uninstall button to protect the system from GreatCoupon popup.


Step 4.Uninstall GreatCoupon via System Restore.

System Restore is a utility which comes with Windows operating systems and helps computer users restore the system to a previous state and remove programs interfering with the operation of the computer. If you have created a system restore point prior to installing a program, then you can use System Restore to restore your system and completely eradicate the unwanted programs like GreatCoupon. You should backup your personal files and data before doing a System Restore.


a. Close all files and programs that are open.

b. On the desktop, right click Computer and select Properties. The system window will display.

c. On the left side of the System window, click System protection. The System Properties window will display.

System protection

d. Click System Restore and the System Restore window will display.

system properties system restore

e. Select Choose a different restore point and click Next.

restore system files and settings

f. Select a date and time from the list and then click Next. You should know that all programs and drivers installed after the selected date and time may not work properly and may need to be re-installed.

choose a restore point

g. Click Finish when the “Confirm your restore point” window appears.

confirm your restore point

h. Click Yes to confirm again.

windows 7 restore finish confirm


GreatCoupon is categorized as a malicious Trojan virus that usually proliferates through malicious websites, spam email messages, unsafe downloads. It can enable cyber-criminals to spy on you, steal your sensitive data, and gain backdoor access to your system. Once installed, it slows down your system performance and disconnects the Internet frequently. You may experience system crash and file missing problems. Your firewall will be turned off or disabled immediately. Besides, the virus can create a backdoor and connect to a remote server, allowing a remote attacker to gain control on the compromised computer. Thus, your private and critical information may be captured by a remote host who will use them for Internet crimes. It gives your computer fatal damages so you need to delete GreatCoupon immediately once upon detection.