Ad by Jak – What is it and how to remove it?

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Ad by Jak adware presents potential peril to your computer system security and privacy. Cyber criminals can use vulnerabilities common for adware for stealing your identity and infecting your computer with malware. This guide will help you to uninstall Ad by Jak from your PC quickly and effectively.


Ad by Jak

About Ad by Jak

Ad by Jak is classified to be adware/a PUP (potentially unwanted program). It may emerge on your PC without your permission. Also, the infection may enter your PC as an optional tool included with free applications. Some computer users (especially children) may install Ad by Jak on the computer intentionally thinking that it can help them get prize or present. But, actually, Ad by Jak is a malicious add-on, plug-in for any internet browsers (Internet Explorer, Opera, Mozilla Firefox, Safari, Google Chrome). The infection may be used to divert PC users and redirect them to suspicious websites. These malicious websites may be developed with the purpose to probably make advertising revenue from increased traffic of the website.

The add-on, plug-in or browser extension of Ad by Jak may be also used to generate and display disturbing pop-up advertisements and messages on the computer system. Ad by Jak may attempt to benefit from clicks. So, you can see that Jak adware is unpleasant program, which may endanger your system and personal data. Therefore, we highly recommend you to remove this unsafe application as soon as possible.

How to delete it?

To fix this nasty problem quickly and effectively, you can install a reliable antivirus program, for instance GridinSoft Trojan Killer. We recommend you the easiest way to clean your system. This software is popular with many users. Trojan Killer will defend your computer system and privacy. The program able prevents re-infection and eliminate existing viruses. If you need help or advice, please contact our managers. Our employees will solve your problem.


Ad by Jak automatic removal tool:

Ad by Jak removal steps:

  • Download GridinSoft Trojan Killer and scan your computer with it.
  • Click on “Apply” to remove all infections found after the scan is completed:
  • Apply actions by Trojan Killer

  • Shut down all your available browsers.
  • In GridinSoft Trojan Killer click on “Tools” and then on “Reset browser settings“:
  • Built-in utility of Trojan Killer to reset browser settings

  • Follow the instructions, select browsers you need to be reset, and click on “Reset” button. Finally, restart your computer to apply all made changes:
  • Options to reset browsers with Trojan Killer

Video explaining how to reset your browser using GridinSoft Trojan Killer:

How to prevent your PC from being reinfected with Ad by Jak in the future.

GridinSoft Trojan Killer offers excellent solution which may help to prevent your system from being contaminated with malware ahead of time. This feature is referred to as “Real-Time Protection”. By default, it is disabled once you install the software. To enable it, please click on “Protect” button and press “Start” as demonstrated below:

Enabling Real-Time Protection by GridinSoft Trojan Killer

This options helps you to prevent execution of malicious programs and to avoid their installation ahead of time. When certain malware tries to install itself into your system, GridinSoft Trojan Killer and its Real-Time Protection module will terminate this installation attempt ahead of time. You may click on “Confirm” button to continue blocking this malicious program, or to select “Ignore this file” and allow the malicious application to be installed (at your own risk):

Malicious item blocked by Trojan Killer

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