One screenshot of CoupScanner:
CoupScanner is a browser extension which claims to help computer users saving more time and money when they are surfing the internet. But researches have shown that CoupScanner is harmful as it not only displays nonstop ads including coupons, savings, deals, promo codes, and other online offers when people visit websites, but also declines the PC performance in the background day after day.
Your computer will start to run slowly, homepage is hijacked and annoying advertisements begin to pop up when you are surfing the web. The poor PC performance is caused by CoupScanner which sneakily steals hard disk space as well as CPU usages. In addition, in order to download and execute additional malicious threats (such as spyware, worms, rogue, etc) into the target PC to cause further damages, CoupScanner uses aggressive social engineering and is skilled in exploiting security vulnerabilities in the background.
Effective methods to get rid of CoupScanner:
Method two: Automatically remove CoupScanner easily with SpyHunter
Detail instruction (please perform all the steps in correct order)
Method one: Manually remove CoupScanner
Step 1. End all the running processes of CoupScannerOpen task manager by pressing Alt+Ctrl+Del keys at the same time. Another way is to click on the Start button and choose Run option, then type taskmgr into and press OK.
Stop all the running processes about CoupScanner
Step 2. Remove malicious add-on and extensions from your web browsers.
Internet Explorer:
(1). Click Start, type: Manage browser add-ons
(2). Hit Enter on your keyboard
(3). Click Manage add-on and disable all the suspicious add-on.
Firefox: (1). Click the Firefox menu and click Add-on
(2). Click Extensions, select the related browser add-on and click Disable.
Google Chrome:
(1). Click the Customize and Control menu button →Tools→ click Extensions
Step 3.Disable any suspicious startup items that are made by CoupScanner.
Windows Vista or Windows7: click start menu→type msconfig in the search bar → open System Configuration →Disable all possible startup items generated.
Step 4. Clean cookies
Internet Explorer: Tools → Internet Options →the General tab, Delete the Cookies button can be directly seen in IE6, IE7 is to click the Delete Browsing History button then tick Cookies and click Delete.
Firefox: Tools → Options → Privacy → Remove Individual Cookies → Delete corresponding cookies in the cookies showing box.
Opera: Tools → Preferences → Advanced → Cookies →Delete corresponding cookies in Management Cookies.
Step 5. Show all hidden files and clean all the malicious files about CoupScanner
(1).Click the Start button and choose Control Panel, clicking Appearance and Personalization, to find Folder Options then double-click on it.
(2).In the pop-up dialog box, click the View tab and uncheck Hide protected operating system files (Recommended).
(3). Clean all the malicious files about this infection as below.
%AllUsersProfile%\{random.exe\
%AllUsersProfile%\Application Data\
%AllUsersProfile%\random.exe
%AppData%\Roaming\Microsoft\Windows\Templates\random.exe
%Temp%\random.exe
%AllUsersProfile%\Application Data\random
Step 6. Delete malicious registry entries related to this virus.Open Registry Editor by pressing Window+R keys together.(another way is clicking on the Start button and choosing Run option, then typing into Regedit and pressing Enter. )
Delete all the vicious registries as below:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\Run\random.exe" HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\Navigating HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\random HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run \Regedit32 HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” = 0 HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableTaskMgr” = 1 HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\run\random
Step 7. As CoupScanner is nasty that may corrupt some system files for its own benefit, it is recommended that you download and install RegCure Pro to optimize your computer after removing all the harmful files.
Click Here to Download:
(1).Click the icon to download RegCure Pro
(2). Double-click on the icon the RegCure Pro program to open it (If Windows prompts you as to whether or not you wish to run RegCure Pro, please allow it to run.)
(3). Click Next and complete the installation
(4). RegCure Pro will begin to automatically scan your computer for errors RegCure Pro Thoroughly scans and cleans up your Windows registry automatically. RegCure Pro allows you to automate the whole process of regular optimization of your PC for best performance using an in-built “Fix All" scheduler.
Method two: Automatically remove CoupScanner easily with SpyHunter
Step one: Click the Download icon to install SpyHunter in your PC.
Step two: After the installation, run SpyHunter and click “Malware Scan” button to have a full or quick scan on your PC.
Step three: Choose Select all>Remove to get rid of all the threats on your PC.
Note: CoupScanner should be removed as soon as possible, otherwise, you will not only can not surf the web freely, but also suffer from poor running speed, unstable internet connection and many other kinds of PC issues. If you haven’t sufficient expertise in manually dealing with program files, processes, .dll files and registry entries, it may lead to mistakes damaging your system permanently. If you are not very good at computer, you are recommended to download Spyhunter to automatically remove CoupScanner from your PC.
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