Cupduck “Virus” Removal (Chrome/Firefox/IE)

Cupduck “Virus” Removal (Chrome/Firefox/IE)Cupduck “Virus” Removal (Chrome/Firefox/IE)Cupduck “Virus” Removal (Chrome/Firefox/IE)

This page aims to help you remove Cupduck “Virus”. These Cupduck “Virus” removal instructions work for Chrome, Firefox and Internet Explorer, as well as every version of Windows.

The text below is about to discuss the characteristic traits of Cupduck “Virus”, which is an Adware-based program that, once inside your system, may start affecting all your browser apps (Chrome / Firefox / Explorer) by resulting in the production of great numbers of pop-up ads, which may seriously disturb your online activities. More info about this piece of software has been shared with you in the article below.

What kind of software does Cupduck “Virus” represent?

As we have already explained in the paragraph above, experts classify Cupduck “Virus” as a type of advertisement-producing software or Adware. Such software may be truly irritating as the total number of the ads produced could be very big, thus slowing your PC down, or possibly preventing you from exploring the web fully. What you need to know about all Adware-type programs is that they are legal marketing instruments. Probably you have already got used to the ads you see on the TV, for instance. The ones which your browser could be generating at the moment because of Cupduck “Virus”‘s effect on it are simply their online equivalents. However, some users may get particularly suspicious as the intensity of the pop-up or banner ad production might in fact be perceived as a little too aggressive, and even somehow intrusive. The truth is that all such ad-producing pieces of software have been programmed to broadcast incredibly big numbers of ads, because their creators get generously paid by various producers to advertise their services and products via such online promotion campaigns. Actually, the general argument that supports the aforementioned pay-per-click scheme is the belief that if you are exposed to many pop-ups, containing deals about a particular product, you are more likely to buy this product.

How could such a hijacker infiltrate your PC?

All the above facts have led us to the way Cupduck “Virus” is normally distributed. The manners of spreading Adware may generally be very different and numerous (torrents / spam / contagious webpages). Nevertheless, there is one particular method, the success rate of which in distributing Adware such as Cupduck “Virus” is incredibly high. This manner consists of the creation and usage of bundles. The programmers who are willing to make some additional money may offer for free all such software bundles mixtures consisting of ad-generating software and other programs.

However, the actual process of infecting a device with Adware is not limited to the downloading of such bundles. An installation is necessary to let it affect your browser apps, and Cupduck “Virus” cannot perform it on its own. Thus, the most successful prevention tip is to install any program on your PC in a reasonable way, as a thoughtless installation process is very likely to leave your computer infected with Cupduck “Virus”. Remember that most Adware-invoked infections are simply the results from careless installation practices, such as the act of selecting the Automatic / Default or Quick wizard features. Do not choose any of them ever again. On the other hand, strive to go with the longer installation feature – the Custom(ized) one, and you will have the chance to install any necessary program from a bundle on your system without getting contaminated by any ad-generating products.

If the process of getting infected with Cupduck “Virus” is called “contamination”, is this program a virus?

Luckily, no malware characteristic features apply to Adware like Cupduck “Virus”. No dangerous activities and effects such as destroying or corrupting files; hacking one’s PC (as Trojans do); encrypting data with a complex key (as Ransomware does); or stealing and using any personal sensitive details, could be contributed to Adware. Nevertheless, some minor details about all Adware-type products may seem too suspicious to some users. Such features are Adware’s ability to broadcast mainly ads corresponding to your interests (as such software tends to review your browsing history and determine what you may like); or the redirections, which might be seen as potentially harmful as they could lead to unfamiliar and suspicious pages. All in all, no expert has ever defined Cupduck “Virus” as a malicious program.

What about the removal of this irritating Adware?

The process shouldn’t be too complex. Typically, it is more than possible to uninstall Cupduck “Virus” by yourself. You can check out our Removal Guide in order to complete this purpose.



Name Cupduck
Type Adware
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms Some irritating browser modifications: many ads may appear, new homepages/search engines could be set; some redirecting may occur.
Distribution Method Via many sources: bundling, online advertising; suspicious web pages, illegal software, shareware, torrents.
Detection Tool

Keep in mind, SpyHunter’s malware detection tool is free. To remove the infection, you’ll need to purchase the full version. More information about SpyHunter and steps to uninstall.

Cupduck “Virus” Removal

If you are a Windows user, continue with the guide below.

If you are a Mac user, please use our How to remove Ads on Mac guide.

If you are an Android user, please use our Android Malware Removal guide.

Cupduck “Virus” Removal (Chrome/Firefox/IE)

Some of the steps will likely require you to exit the page. Bookmark it for later reference.

Reboot in Safe Mode (use this guide if you don’t know how to do it).

Cupduck “Virus” Removal (Chrome/Firefox/IE)


Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab (the “Details” Tab on Win 8 and 10). Try to determine which processes are dangerous. 

Cupduck “Virus” Removal (Chrome/Firefox/IE)

Right click on each of them and select Open File Location. Then scan the files with our free online virus scanner:

Cupduck “Virus” Removal (Chrome/Firefox/IE)
Drag and Drop Files Here to Scan
Maximum file size: 128MB.

This scanner is free and will always remain free for our website's users. You can find its full-page version at:

Scan Results

Virus Scanner Result
Cupduck “Virus” Removal (Chrome/Firefox/IE)ClamAV
Cupduck “Virus” Removal (Chrome/Firefox/IE)AVG AV
Cupduck “Virus” Removal (Chrome/Firefox/IE)Maldet

After you open their folder, end the processes that are infected, then delete their folders. 

Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections. 

Cupduck “Virus” Removal (Chrome/Firefox/IE)

Hold together the Start Key and R. Type appwiz.cpl –> OK.

Cupduck “Virus” Removal (Chrome/Firefox/IE)

You are now in the Control Panel. Look for suspicious entries. Uninstall it/them.

Type msconfig in the search field and hit enter. A window will pop-up:

Cupduck “Virus” Removal (Chrome/Firefox/IE)

Startup —> Uncheck entries that have “Unknown” as Manufacturer or otherwise look suspicious.

Cupduck “Virus” Removal (Chrome/Firefox/IE)

Hold the Start Key and R –  copy + paste the following and click OK:

notepad %windir%/system32/Drivers/etc/hosts

A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

Cupduck “Virus” Removal (Chrome/Firefox/IE)

If there are suspicious IPs below “Localhost” – write to us in the comments.

Open the start menu and search for Network Connections (On Windows 10 you just write it after clicking the Windows button), press enter.

  1. Right-click on the Network Adapter you are using —> Properties —> Internet Protocol Version 4 (ICP/IP), click  Properties.
  2. The DNS line should be set to Obtain DNS server automatically. If it is not, set it yourself.
  3. Click on Advanced —> the DNS tab. Remove everything here (if there is something) —> OK.

Cupduck “Virus” Removal (Chrome/Firefox/IE)

Cupduck “Virus” Removal (Chrome/Firefox/IE)

  • After you complete this step, the threat will be gone from your browsers. Finish the next step as well or it may reappear on a system reboot.

Right click on the browser’s shortcut —> Properties.

NOTE: We are showing Google Chrome, but you can do this for Firefox and IE (or Edge).

Cupduck “Virus” Removal (Chrome/Firefox/IE)

Properties —–> Shortcut. In Target, remove everything after .exe.

Cupduck “Virus” Removal (Chrome/Firefox/IE)

Cupduck “Virus” Removal (Chrome/Firefox/IE)  Remove Cupduck “Virus” from Internet Explorer:

Open IE, click  Cupduck “Virus” Removal (Chrome/Firefox/IE) —–> Manage Add-ons.

Cupduck “Virus” Removal (Chrome/Firefox/IE)

Find the threat —> Disable. Go to Cupduck “Virus” Removal (Chrome/Firefox/IE) —–> Internet Options —> change the URL to whatever you use (if hijacked) —> Apply.

Cupduck “Virus” Removal (Chrome/Firefox/IE) Remove Cupduck “Virus” from Firefox:

Open Firefoxclick  Cupduck “Virus” Removal (Chrome/Firefox/IE)  ——-> Add-ons —-> Extensions.

Cupduck “Virus” Removal (Chrome/Firefox/IE)

Find the adware/malware —> Remove.
Cupduck “Virus” Removal (Chrome/Firefox/IE)Remove Cupduck “Virus” from Chrome:

Close Chrome. Navigate to:

 C:/Users/!!!!USER NAME!!!!/AppData/Local/Google/Chrome/User Data. There is a Folder called “Default” inside:

Cupduck “Virus” Removal (Chrome/Firefox/IE)

Rename it to Backup Default. Restart Chrome.

Cupduck “Virus” Removal (Chrome/Firefox/IE)

Type Regedit in the windows search field and press Enter.

Inside, press CTRL and F together and type the threat’s Name. Right click and delete any entries you find with a similar name. If they don’t show up this way, go manually to these directories and delete/uninstall them:

  • HKEY_CURRENT_USER—-Software—–Random Directory. It could be any one of them – ask us if you can’t discern which ones are malicious.
    HKEY_CURRENT_USER—-Software—Microsoft—-Windows—CurrentVersion—Run– Random
    HKEY_CURRENT_USER—-Software—Microsoft—Internet Explorer—-Main—- Random

If the guide doesn’t help, download the anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!


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Maria K.

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