Click on screenshot to zoom
Danger level 7
Type: Adware
Common infection symptoms:
  • Annoying Pop-up's
  • Shows commercial adverts
  • Connects to the internet without permission


Do you shop online every day and wish there were a way to economize what you spend? DealNinja may look like the answer to your problems, but it would not be wise to fall for this application's tricks. DealNinja is just an adware program that enters your computer to trick you into clicking random pop-up ads. By clicking an ad, you help the people behind this program make money via the pay-per-click system. If this continues and you do not remove DealNinja, it would not be surprising if eventually you got infected with an extremely dangerous malware infection.

Adware is far from being as serious as Trojan or ransomware threats, but this type of software could be easily exploited by cyber criminals for their own malicious deeds. DealNinja is yet another application that enters your system bundled with freeware and then drives you insane as it floods you with annoying commercial ads. Granted, it should be pointed out that the program would not be able to get installed on your PC if you did not allow it to. DealNinja installer requires a user’s permission to be launched, so you need to be careful about what installation wizards you go through on a daily basis.

DealNinja cannot be downloaded from because the website is down at the time of writing. However, adware programs often employ a far wider distribution network that makes uses of software bundles. Software packages are available for download from file-sharing websites, and it is very often that users download some other application without realizing that it “carries” a few other additional programs no one wants or needs.

For instance, our research suggests that DealNinja may travel with iStreamLite and other potentially unwanted software. Therefore, we recommended that users remain attentive during freeware installation. It is very likely that you will be given the choice as to whether you want to install additional programs or not. Skipping through the setup might as well result in a problem you could have easily avoided.

When DealNinja enters your system, it adds extensions to Firefox, Chrome, and Internet Explorer. Through these extensions, the program collects data on what websites you visit and what you usually search for on the Internet. This way, DealNinja is able to find out what you like and what your shopping tendencies are. Once the program has enough data, it creates a stream of commercial ads, all of which are customized based on your likes and preferences.

This could lead to dangerous computer security issues. Even if it seems that DealNinja wants to help you save money when you shop online, you should not be so hasty as to click on every single ad that you see. Please bear in mind that some of the ads might be embedded with unreliable third-party content, and it is up to you to protect yourself and your system from potential malicious exploitation.

The best way to prevent any further problems is to remove DealNinja immediately. Uninstall unfamiliar programs via Control Panel, and then delete all the unnecessary extensions from your browser. When you are done with that, scan your PC with a computer security program of your choice. Although adware applications can easily be dealt with manually, it is always a good idea to rely on a professional antispyware tool.

How to Remove DealNinja

Windows 10, Windows 8.1 & Windows 8

  1. Press Win+R and the Run command prompt will open.
  2. Type “control panel” into the Open box and press OK.
  3. Go to Uninstall a program and remove unwanted applications.

Windows Vista & Windows 7

  1. Open the Start menu and click Control Panel.
  2. Select Uninstall a program and remove undesirable applications.

Windows XP

  1. Click the Start button and open Control Panel.
  2. Navigate to Add or remove programs and uninstall unwanted applications.

Delete Unwanted Extensions


  1. Press Alt+F and go to More tools.
  2. Open Extensions and remove DealNinja.


  1. Press Alt+T and click Add-ons.
  2. Disable and remove DealNinja from Extensions.
  3. Restart your browser.

Internet Explorer

  1. Press Alt+T and go to Manage add-ons.
  2. Remove DealNinja from Toolbars and Extensions.
Download Spyware Removal Tool to Remove* DealNinja
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