PUA.CouponViewer. How to remove (Uninstall) PUA.CouponViewer?

PUA.CouponViewer is a program that is called adware or malicious software (malware) as well as potentially unwanted program (PUP). Adware and Malware include a variety of malicious features that can make the computer system very unpleasant to use or even unusable. Users do not notice a threat to security of the computer system, and anti-malware tools often detect them as a program with low risk. Such programs are designed to show ads on a desktop or browser that the user uses. In general, displaying ads does not threaten the security of a system. The threat comes from the fact that when users click on ads, which can redirect users to sites that can infect the computer system with viruses. The purpose of a such type of programs is to earn money, as part of the profit goes to third-party advertisers. Many users can even consider such programs to be useful, which is also the goal of the ad-program makers. They can easily mislead users not only to click on the ads but also to make purchases of useless software. Ads often show false offers and can even take up a very large part of the desktop. Such misleading is considered as a internet fraud and advertisements that may pop-up have to be avoided. Such programs need to be removed immediately, and the use of an anti-malware program is recommended.

Many users with have adware installed call them viruses. It is important to emphasize that such programs can only pose a threat of virus infection, but they are not a virus by themselve. Adware programs are different from viruses by the features that are performing. While malicious software or viruses can damage the computer system or files, the adware only aims to generate traffic from forced ads. Viruses can also steal important information such as password, bank accounts, or credit card numbers, and even give hackers access to the system itself. The functions of the adware programs include changes to the browser settings or the computer system and can even completely replace the browser. Removing adware programs can be hard for users, and the settings may be difficult to recover. The purpose of these features is to keep the adware programs installed for as long as possible. A large number of users with problems with such programs also report unwanted browser extensions that can not be removed as well.

Adware programs such as PUA.CouponViewer can be attached to a free software and installed with it. Adware is not only install well hidden, but also do not inform users about it. Programs that do not inform users about their presence are also considered as a malware. This is why users do not know how such programs actually occur in the computer system. When free software is installed, users are often in a hurry and using the Express Install option, so they automatically authorize all attachments to be installed along with free software. In such cases, it is recommended to use the manual installation option to avoid installing attachments. Part of the adware features also includes tracking browsing history so that pop-up ads are related to user interests and easier to trick them into clicking on them. Adware also works as a background process, which will slow the performance of the computer system, and may even make it totally unusable. As already mentioned, such programs should be removed using an anti-malware tool that will also protects the computer system.

How did PUA.CouponViewer virus got my pc infected:

In many ways adware programs attack and get to users computers with well known techniques. Some very old but still really powerful way for hackers to get you infected. If we don’t consider scam emails, there are two main ways:

  • Via shareware or freeware installation – Most adware was bundled with some freeware installation as a legitimate way to use force advertising revenue which claims to improve user experience.

More about bundling: in order to avoid any of this into the future you need to pay more attention. When you install a program never use express installation. Go for custom installation and untick any suspicious software that will come with the freeware. If you go for express installation malware will be installed as an additional software. This process is called bundling.

  • Infected websites – visiting suspicious websites may also lead to malicious attack towards trojan. Use any type of anti-malware software to remove the virus and further protection.

NOTEEven after removing all malware from your PC many of the problems caused by it may still remain!

  • Name – PUA.CouponViewer
  • Type Spamming – Adware
  • Danger Level – Medium
  • Brief Description – pop-up ads and redirects.
  • Symptoms – Poor pc performance or freezing, pop-up ads and redirects.
  • Method – Via bundling.

Note: Removing PUA.CouponViewer malware manually could be very risky and unpredictable!

To proceed with the manual removal of adware from your computer, follow the removal steps below. NOTE: you may be infected with more than one malware and after following the steps ads may still pop-up. Since malware virus creates variety of malicious modified registry entries and different files, we strongly advise you to use anti-malware tool. Removing the virus manually requires high computer skills and knowledge.

Step by step how to remove malware from Chrome, Firefox and Internet explorer:

NOTE: If ads still pop-up you may be infected with more add-ons witch you have to remove from your PC.

Manual steps to remove ransomware or malware. How to prevent ransomware or malware.

For now, removing ransomware or malware manually will only be able for IT specialists. If you don't know one don't worry. We have a solution for you. Over here we will use Spyhunter to remove the virus. The Spyhunter anti-malware is a collection of programs that can be used to scan for malware and clean infected computers. You can also use full anti-malware program in this case which is the better option because it also offers protection.

How to remove "ransomware or malware"

NOTE: In this option the virus will be removed but the files will remain locked! You have to decrypt your files.
  1. Download Spyhunter anti-malware.
  1. 2.  After program has been downloaded, double-click to open it. User will have to install the program. Click on Spyhunter.exe to start the process.
User Account Control dialog may appear, asking you to allow the following program to make changes to this computer. Click "Yes" or "Run" to proceed with the installation. User can also choose variety of languages. Click Ok and the installation will begin with a welcome massage for Spyhunter. Click Next to continue to the next step. User will also have to accept Spyhunter license agreement by clicking on "I accept the agreement" and click Next. Spyhunter will ask user to read important information provided before continuing. Once done click on next to go to the next step. User can choose where to install the program. By default - C:Program FilesEnigma Software GroupSpyHunter. The process will continue and then Spyhunter will install. The installation process may take awhile, depending on a computer system performance. Once the installation is done, click Finish.
  1. 3. Update the software before scanning. Once program has been updated go to scan. You can choose from a free trial version or activate license. It is recommended to buy full version as the trial will not protect computer system.
  1. 4. The scan process will begin. The scan process may take awhile, depending on a computer system performance.
  1. 5. Once the scan is complete you can choose between delete or quarantine the viruses. The quarantine option is recommended and since the malware is active a reboot will be required to finish process.

Click here for guide of how to uninstall spyhunter.

Decrypt ransomware files.

Good news is that we can now use decryption programs. A lot of security companies like Kasperky lab, bitdefender and more has developed a program that is fully capable of decryption key for ransomware malware. You can find this programs anywhere on the internet but it is strongly suggested to download this programs from official websites. NOTE: It may take a long time for your files to be decrypted depending on your PC performance.