How to Get Rid of Win32:Adware-CLU [PUP] Effectively From Your PC?

Is your computer infected by a threat called Win32:Adware-CLU [PUP] but you don’t know how to remove it from the system? The infection may bring numerous pop-ups on your PC and affect the computer performance. If you don’t know how to get rid of it, follow the guide below and you can effectively delete the threat from the system.

What is Win32:Adware-CLU [PUP]?

Win32:Adware-CLU [PUP] is classified as a Potentially Unwanted Program (PUP) which is associated with adware or other malware that created by cybercriminals to compromise users’ computers and make illegal profits. This program often slips into the PC silently without your knowledge and it is not easy for regular antivirus applications to pick it up or delete it timely, not to mention those computer users who lack the PC safety consciousness and defensive skills. Commonly, BHO and JS techniques are used in building web applications like advertisements, toolbars and websites. This PUP also uses these two techniques to call internal memory modules, processes and services. In this way, the PUP performs many malicious tasks, such as adding a few strange browser add-ons to the web browser or downloading other unwanted programs, to compromise both your browser and the computer. Under the circumstances, the additional applications brought the by the PUP will have an effect on the infected system, for example, displaying constant pop-up ads or sponsored links on web browsers and interfering with users’ browsing activities. As a result, when the PUP performs the activities that need to consume a lot of system resources and memory, the computer performance will be obviously affected.

Common web browsers including Internet Explorer, Mozilla Firefox and Google Chrome may be affected. The PUP can add certain browser extension to web browsers so as to trace your cookies and send the important data to third parties for commercial purposes.

Note: You have to remove Win32:Adware-CLU [PUP] immediately without delay with the following manual steps when facing this threat, but if you find it too complex to deal with the threat manually, download and install a professional malware cleaning tool to scan your PC and then quickly clear the PUP.


How does Win32:Adware-CLU [PUP] spread?

Usually, it often comes bundled with other freeware or malware that may damage the computer severely. It is tricky for it is often implanted in some banned but tempting websites, such as the websites that contain child pornography or fake video chatting which contains malicious codes. In addition, you may unconsciously invite this PUP to your PC when downloading programs or files from unidentified sources on the Internet or opening links/attachments from strange emails.

There is no doubt that you should be more careful when you are surfing the Internet, especially downloading and installing free applications, to prevent such potential PC threats. You need to remove the PUP once you realize its existence in order to prevent more unexpected computer problems from happening.

Win32:Adware-CLU [PUP] removal guide:

Option1: Remove Win32:Adware-CLU [PUP] using SpyHunter

SpyHunter is an application that is specially designed to seek and remove various malicious programs in PCs. It can detect, remove and block PUPs, spyware, rootkits, adware, keyloggers, cookies, trojans, worms and other types of malware. With this tool, you can quickly and completely remove Win32:Adware-CLU [PUP] from your system. Follow the steps below and you can clear the threat from the computer within minutes.

Step1. Open a web browser and proceed to download SpyHunter by clicking on the icon below directly.


Step2. Save it on a location you want.


Step3. Run the file and start to install it on the computer.


Step4. After the installation finishes, run the tool to perform a scan of the system.


Step5. Delete all the threats found and remove them.


Step6. Exit the tool and reboot your computer normally. Open your Web browser and confirm that you are no longer affected by the redirect virus.

Option2: Remove Win32:Adware-CLU [PUP] manually step by step

You’d better make a backup of your system before deleting the malicious files of the Trojan because your any deletion of valid files may cause unimaginable damage to your system. After backing up important data, follow the steps to get rid of the Trojan.

For Windows 7/Vista users, follow the steps below to clear the malicious threat manually.

Step 1: Restart PC with Safe Mode.

1. Click Start, click the arrow next to Shut down and click Restart.


2. Once the system has been restarted, tap F8 key on the keyboard in 1 second intervals.


3. When the Windows Advanced Options menu appears on the screen, choose Safe Mode option.


5. Press Enter button.

Step 2: Remove the PUP from your Control Panel.

Sometimes, the PUP can be seen in Control Panel. So you can check all the currently installed programs and remove the malicious one.

Click Start, go to Control Panel, go to Programs and click Uninstall a program under it.


On the list of Currently installed programs, search for the suspicious program and click Uninstall/Change button to remove it.


Step3. Delete the malicious extensions from your browsers.

Internet Explorer 11

Open IE browser, click the Tools button, and then click Manage add-ons.

Under Show, click All add-ons, and then select the add-on you want to delete.

If the add-on can be deleted, you’ll see the Remove option. Click Remove and then click Close.


Mozilla Firefox

Open Firefox, click the menu button and choose Add-ons. The Add-ons Manager tab will open.

In the Add-ons Manager tab, select the add-on you wish to remove and click the Remove button.


Google Chrome

Click the Chrome menu on the browser toolbar. Then click Tools and select Extensions.

Click the trash can icon next to the extension you’d like to completely remove. Click Remove when a confirmation dialog appears.


Step 4: Show hidden files of the system and delete the PUP files.

Click the Start button and go to Control Panel. Click on Appearance and Personalization to select Folder Options.



Click the View tab, select “Show hidden files and folders”, deselect “Hide protected operating system files (Recommended)” and then click “Apply” to show hidden files and folders.


Then search for the files created by the PUP and clear them.

Step 5: Remove the registry entries changed by the PUP.

Click Start button and type regedit in Run click OK or type regedit in the search box and open regedit.exe in the search results.


Then the Windows registry editor window will open.


In the registry editor, search for the registry entries of Win32:Adware-CLU [PUP] and delete them.

Warning: It is risky to modify the system registry because any deletion of valid registry key may lead to unimaginable consequences. You’d better make a backup of the registry before making any modifications. Export the registry information to a suitable place on your computer and save it with an appropriate name.

But we sincerely advise you to use a reliable and advanced malware removal tool like SpyHunter to scan the entire system and then quickly and fully delete Win32:Adware-CLU [PUP] from your PC. Just click the icon below and download and install SpyHunter to remove the threat!



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