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How to remove Kotcatk.com pop-up ads [Chrome, Firefox, IE, Edge]

Myantispyware team February 28, 2018    

Are you open your favorite web-browser and don’t see usual homepage, which is set earlier? Or, the Kotcatk.com web site is the first thing that pop up once you open your internet browser? It means that your PC has become the victim of malware from the group of adware (also known as ‘ad-supported’ software). If you get it on your system, this ad-supported software can modify the web browser’s settings like start page, search provider and newtab and install harmful extension which will display a large amount of intrusive ads within the IE, MS Edge, Firefox and Chrome screen. It is important, don’t click on these ads, as they can lead you to more harmful or misleading web sites. The best option is to use the instructions posted below to clean your personal computer of adware and thereby remove Kotcatk.com popups.

The ad supported software that responsible for internet browser redirect to the annoying Kotcatk.com site, is not a virus, but the virus behaves similarly. As a rootkit hides in the system, modifies web browser settings and blocks them from changing. Also the ‘ad supported’ software can install additional web-browser addons and modules that will inject sponsored links within the Microsoft Internet Explorer, Chrome, Edge and Mozilla Firefox’s screen. Moreover, the ‘ad supported’ software may install web-browser hijacker that once started, will modify the web browser’s home page and search provider. The worst is, the adware can gather confidential information such as what websites you are opening, what you are looking for the Web and so on. This user info, afterwards, may be sold to third parties.

The ad supported software can change the settings of the IE, Google Chrome, Mozilla Firefox and Edge, but often that a harmful software such as this can also affect all types of web browsers by modifying their desktop shortcut files. Thus forcing the user each time run the browser to see the undesired Kotcatk.com web-site.

Therefore, the ‘ad supported’ software is a potentially undesired program and should not be used. If you realized any of the symptoms mentioned above, we suggest you to complete step-by-step guidance below to remove the ‘ad supported’ software and remove Kotcatk.com pop-up advertisements from your internet browser.

Remove Kotcatk.com pop up ads

The answer is right here on this web-page. We have put together simplicity and efficiency. It will help you easily to clean your PC system of ad supported software that causes multiple unwanted pop-ups. Moreover, you can choose manual or automatic removal solution. If you’re familiar with the PC system then use manual removal, otherwise run the free anti malware tool developed specifically to get rid of ‘ad supported’ software. Of course, you can combine both methods. Read this manual carefully, bookmark or print it, because you may need to close your internet browser or restart your system.




If you are using an Apple computer running Mac OS, then use the following few simple steps How to remove browser hijacker, pop-ups, advertisements from Mac

To remove Kotcatk.com, complete the following steps:

  1. How to manually delete Kotcatk.com
    • Delete adware through the Windows Control Panel
    • Remove Kotcatk.com redirect from Mozilla Firefox
    • Remove Kotcatk.com pop ups from Internet Explorer
    • Remove Kotcatk.com advertisements from Google Chrome
    • Get rid of unwanted Scheduled Tasks
    • Fix affected internet browsers shortcuts to remove Kotcatk.com redirect
  2. How to get rid of Kotcatk.com popup ads with free software
    • Remove Kotcatk.com pop-ups with Zemana Anti-malware
    • Delete Kotcatk.com ads from web browsers with Hitman Pro
    • Use Malwarebytes to remove Kotcatk.com redirect
  3. How to stop Kotcatk.com pop up ads
  4. Tips to prevent Kotcatk.com pop-up ads and other unwanted apps
  5. To sum up

How to manually delete Kotcatk.com

These steps to remove Kotcatk.com ads without any apps are presented below. Be sure to carry out the step-by-step guide completely to fully remove this adware responsible for Kotcatk.com ads.

Delete adware through the Windows Control Panel

Some of PUPs, adware and hijackers can be uninstalled using the Add/Remove programs utility that is located in the Microsoft Windows Control Panel. So, if you are running any version of Microsoft Windows and you have noticed an unwanted program, then first try to get rid of it through Add/Remove programs.

Windows 10, 8.1, 8

Click the MS Windows logo, and then click Search Microsoft Windows search. Type ‘Control panel’and press Enter as on the image below.

search

Once the ‘Control Panel’ opens, press the ‘Uninstall a program’ link under Programs category as on the image below.

Microsoft Windows 10 control panel

Windows 7, Vista, XP

Open Start menu and select the ‘Control Panel’ at right as on the image below.

Windows7 start menu

Then go to ‘Add/Remove Programs’ or ‘Uninstall a program’ (Microsoft Windows 7 or Vista) as displayed below.

Windows 7 control panel

Carefully browse through the list of installed programs and remove all dubious and unknown apps. We recommend to click ‘Installed programs’ and even sorts all installed apps by date. After you have found anything dubious that may be the adware that designed to redirect your web browser to various ad pages like Kotcatk.com or other potentially unwanted application (PUA), then choose this program and press ‘Uninstall’ in the upper part of the window. If the dubious program blocked from removal, then use Revo Uninstaller Freeware to fully remove it from your machine.

Remove Kotcatk.com redirect from Mozilla Firefox

Resetting your Firefox is good initial troubleshooting step for any issues with your browser program, including the redirect to Kotcatk.com page.

Run the Firefox and click the menu button (it looks like three stacked lines) at the top right of the internet browser screen. Next, click the question-mark icon at the bottom of the drop-down menu. It will display the slide-out menu.

Mozilla Firefox help menu

Select the “Troubleshooting information”. If you’re unable to access the Help menu, then type “about:support” in your address bar and press Enter. It bring up the “Troubleshooting Information” page as displayed in the following example.

Firefox troubleshooting info

Click the “Refresh Firefox” button at the top right of the Troubleshooting Information page. Select “Refresh Firefox” in the confirmation dialog box. The Mozilla Firefox will start a task to fix your problems that caused by the ad supported software responsible for redirections to Kotcatk.com. After, it’s finished, press the “Finish” button.

Remove Kotcatk.com pop ups from Internet Explorer

If you find that IE internet browser settings such as default search provider, new tab page and homepage having been modified by ad supported software that causes internet browsers to show undesired Kotcatk.com pop-up advertisements, then you may restore your settings, via the reset internet browser procedure.

First, run the Microsoft Internet Explorer, press Microsoft Internet Explorer tools menu icon) button. Next, click “Internet Options” as on the image below.

reset Internet Explorer tools menu

In the “Internet Options” screen select the Advanced tab. Next, click Reset button. The IE will show the Reset Internet Explorer settings dialog box. Select the “Delete personal settings” check box and press Reset button.

reset Internet Explorer settings

You will now need to restart your PC for the changes to take effect. It will delete adware responsible for redirecting your internet browser to Kotcatk.com webpage, disable malicious and ad-supported internet browser’s extensions and restore the Internet Explorer’s settings such as newtab, homepage and search engine to default state.

Remove Kotcatk.com advertisements from Google Chrome

Run the Reset web-browser utility of the Chrome to reset all its settings such as start page, search engine by default and newtab to original defaults. This is a very useful tool to use, in the case of internet browser redirects to annoying ad webpages such as Kotcatk.com.

First launch the Google Chrome. Next, click the button in the form of three horizontal dots (Chrome menu button).

It will display the Chrome menu. Select More Tools, then click Extensions. Carefully browse through the list of installed plugins. If the list has the extension signed with “Installed by enterprise policy” or “Installed by your administrator”, then complete the following steps: Remove Chrome extensions installed by enterprise policy.

Open the Google Chrome menu once again. Further, click the option named “Settings”.

open Chrome settings

The web-browser will display the settings screen. Another way to show the Google Chrome’s settings – type chrome://settings in the internet browser adress bar and press Enter

Scroll down to the bottom of the page and click the “Advanced” link. Now scroll down until the “Reset” section is visible, like below and press the “Reset settings to their original defaults” button.

Google Chrome settings reset link

The Google Chrome will display the confirmation dialog box as shown below.

Google Chrome settings reset dialog

You need to confirm your action, click the “Reset” button. The web browser will run the process of cleaning. When it’s done, the web browser’s settings including start page, newtab page and search engine back to the values that have been when the Chrome was first installed on your personal computer.

Get rid of unwanted Scheduled Tasks

Once installed, the ad supported software can add a task in to the Windows Task Scheduler Library. Due to this, every time when you run your system, it will open Kotcatk.com undesired web site. So, you need to check the Task Scheduler Library and remove all malicious tasks which have been created by malicious program.

Press Windows and R keys on the keyboard together. This opens a prompt that called Run. In the text field, type “taskschd.msc” (without the quotes) and press OK. Task Scheduler window opens. In the left-hand side, click “Task Scheduler Library”, as shown below.

Task scheduler

Task scheduler

In the middle part you will see a list of installed tasks. Please choose the first task, its properties will be show just below automatically. Next, press the Actions tab. Pay attention to that it launches on your PC. Found something like “explorer.exe http://site.address” or “chrome.exe http://site.address”, then delete this harmful task. If you are not sure that executes the task, check it through a search engine. If it’s a component of the adware, then this task also should be removed.

Having defined the task that you want to get rid of, then press on it with the right mouse button and select Delete as on the image below.

Delete a task

Delete a task

Repeat this step, if you have found a few tasks which have been created by adware. Once is finished, close the Task Scheduler window.

Fix affected internet browsers shortcuts to remove Kotcatk.com redirect

Important to know, most antimalware programs that are able to remove ad supported software responsible for Kotcatk.com ads, but unable to scan for and recover changed shortcuts. So, you need to fix the desktop shortcuts for your Mozilla Firefox, Google Chrome, Microsoft Edge and Internet Explorer web browsers manually.

Click the right mouse button to a desktop shortcut file that you use to open your browser. Next, choose the “Properties” option. Important: necessary to click on the desktop shortcut for the internet browser that is redirected to the Kotcatk.com or other intrusive web site.

Further, necessary to look at the text that is written in the “Target” field. The adware that cause intrusive Kotcatk.com pop up advertisements to appear can modify the contents of this field, which describes the file to be start when you run your browser. Depending on the browser you are using, there should be:

  • Google Chrome: chrome.exe
  • Opera: opera.exe
  • Firefox: firefox.exe
  • Internet Explorer: iexplore.exe

If you’re seeing an unknown text like “http://site.addres” that has been added here, then you should remove it, as displayed below.

clean a shortcut

Next, press the “OK” button to save the changes. Now, when you start the browser from this desktop shortcut, it does not occur automatically redirect on the Kotcatk.com page or any other annoying sites. Once the step is complete, we recommend to go to the next step.

How to get rid of Kotcatk.com popup ads with free software

If you’re not expert at computers, then all your attempts to remove Kotcatk.com pop ups by completing the manual steps above might result in failure. To find and remove all of the ‘ad supported’ software related files and registry entries that keep this ad supported software on your machine, run free antimalware software such as Zemana Free, MalwareBytes Anti Malware and HitmanPro from our list below.




Remove Kotcatk.com pop-ups with Zemana Anti-malware

We advise using the Zemana Anti-malware which are completely clean your computer of the adware. The tool is an advanced malware removal program made by (c) Zemana lab. It’s able to help you get rid of potentially unwanted applications, browser hijackers, malicious software, toolbars, ransomware and adware responsible for redirections to Kotcatk.com.

Zemana can be downloaded from the following link. Save it on your Desktop.

Zemana AntiMalware
Zemana AntiMalware
165033 downloads
Author: Zemana Ltd
Category: Security tools
Update: July 16, 2019

After downloading is done, close all programs and windows on your personal computer. Double-click the set up file called Zemana.AntiMalware.Setup. If the “User Account Control” dialog box pops up as on the image below, click the “Yes” button.

Zemana Anti-Malware uac

It will open the “Setup wizard” which will help you install Zemana Anti-Malware (ZAM) on your machine. Follow the prompts and don’t make any changes to default settings.

Zemana Anti-Malware Setup Wizard

Once installation is finished successfully, Zemana Free will automatically start and you can see its main screen as shown on the screen below.

Now click the “Scan” button to perform a system scan for the ‘ad supported’ software responsible for redirecting your internet browser to Kotcatk.com web-page. A system scan can take anywhere from 5 to 30 minutes, depending on your personal computer. When a malicious software, ad supported software or PUPs are detected, the number of the security threats will change accordingly. Wait until the the scanning is done.

Zemana Anti-Malware search for adware that causes multiple undesired pop ups

When Zemana has completed scanning, Zemana will display a screen that contains a list of malware that has been detected. In order to remove all threats, simply click “Next” button. The Zemana Anti Malware will remove adware responsible for redirecting your web browser to Kotcatk.com web site. Once that process is complete, you may be prompted to reboot the PC system.

Delete Kotcatk.com ads from web browsers with Hitman Pro

All-in-all, Hitman Pro is a fantastic tool to free your PC system from any unwanted apps like ad-supported software responsible for Kotcatk.com popups. The HitmanPro is portable program that meaning, you don’t need to install it to run it. Hitman Pro is compatible with all versions of Windows operating system from MS Windows XP to Windows 10. Both 64-bit and 32-bit systems are supported.

  1. Download HitmanPro by clicking on the following link. Save it on your Desktop.
    HitmanPro
    HitmanPro
    12262 downloads
    Author: Sophos
    Category: Security tools
    Update: June 28, 2018
  2. After the download is complete, launch the HitmanPro, double-click the HitmanPro.exe file.
  3. If the “User Account Control” prompts, press Yes to continue.
  4. In the Hitman Pro window, press the “Next” . Hitman Pro tool will begin scanning the whole machine to find out ad-supported software that responsible for the appearance of Kotcatk.com redirect. This task can take quite a while, so please be patient. While the HitmanPro application is scanning, you can see how many objects it has identified as threat.
  5. When that process is finished, Hitman Pro will display a list of found items. Review the results once the tool has finished the system scan. If you think an entry should not be quarantined, then uncheck it. Otherwise, simply click “Next”. Now, click the “Activate free license” button to begin the free 30 days trial to get rid of all malicious software found.

Use Malwarebytes to remove Kotcatk.com redirect

You can get rid of Kotcatk.com ads automatically with a help of Malwarebytes Free. We recommend this free malware removal utility because it may easily get rid of hijacker infections, ad-supported software, PUPs and toolbars with all their components such as files, folders and registry entries.

Click the link below to download MalwareBytes. Save it on your MS Windows desktop or in any other place.

Malwarebytes Anti-malware
Malwarebytes Anti-malware
327261 downloads
Author: Malwarebytes
Category: Security tools
Update: April 15, 2020

When the downloading process is complete, close all apps and windows on your machine. Double-click the set up file named mb3-setup. If the “User Account Control” dialog box pops up as on the image below, click the “Yes” button.

MalwareBytes Anti Malware for Microsoft Windows uac dialog box

It will open the “Setup wizard” that will help you install MalwareBytes AntiMalware (MBAM) on your computer. Follow the prompts and don’t make any changes to default settings.

MalwareBytes Free for Microsoft Windows set up wizard

Once installation is done successfully, click Finish button. MalwareBytes Free will automatically start and you can see its main screen as displayed below.

MalwareBytes Free for Microsoft Windows

Now press the “Scan Now” button to find adware responsible for redirects to Kotcatk.com. While the MalwareBytes Anti-Malware utility is checking, you can see how many objects it has identified as being affected by malware.

MalwareBytes for MS Windows find adware responsible for redirections to Kotcatk.com

When MalwareBytes Free has completed scanning your computer, MalwareBytes will create a list of undesired and adware. All found threats will be marked. You can delete them all by simply click “Quarantine Selected” button. The MalwareBytes will get rid of ad supported software responsible for redirecting your web-browser to Kotcatk.com page. When finished, you may be prompted to reboot the PC.

MalwareBytes for Windows reboot dialog box

We suggest you look at the following video, which completely explains the procedure of using the MalwareBytes Anti Malware (MBAM) to delete adware, hijacker infection and other malicious software.

How to stop Kotcatk.com pop up ads

In order to increase your security and protect your personal computer against new undesired advertisements and malicious web-sites, you need to run ad blocker application that blocks an access to harmful ads and web-pages. Moreover, the program may stop the show of intrusive advertising, which also leads to faster loading of sites and reduce the consumption of web traffic.

  1. Click the link below to download the latest version of AdGuard for Microsoft Windows. Save it to your Desktop so that you can access the file easily.
    Adguard
    Adguard download
    26898 downloads
    Version: 6.4
    Author: © Adguard
    Category: Security tools
    Update: November 15, 2018
  2. After downloading is finished, start the downloaded file. You will see the “Setup Wizard” program window. Follow the prompts.
  3. Once the install is finished, press “Skip” to close the install program and use the default settings, or click “Get Started” to see an quick tutorial that will allow you get to know AdGuard better.
  4. In most cases, the default settings are enough and you don’t need to change anything. Each time, when you start your computer, AdGuard will start automatically and block popup ads, Kotcatk.com redirect, as well as other malicious or misleading sites. For an overview of all the features of the program, or to change its settings you can simply double-click on the icon called AdGuard, which is located on your desktop.

Tips to prevent Kotcatk.com pop-up ads and other unwanted apps

Most commonly, the adware is bundled with the installers from a free hosting and file sharing websites. So, install a free software is a a good chance that you will find a bundled ‘ad supported’ software. If you don’t know how to avoid it, then use a simple trick. During the setup, select the Custom or Advanced installation type. Next, click ‘Decline’ button and clear all checkboxes on offers that ask you to install additional software. Moreover, please carefully read Term of use and User agreement before installing any apps or otherwise you may end up with another unwanted program on your personal computer like this adware responsible for Kotcatk.com pop ups.

To sum up

Now your computer should be clean of the ‘ad supported’ software that responsible for web browser redirect to the unwanted Kotcatk.com web-site. We suggest that you keep Zemana Anti Malware (to periodically scan your system for new ad supported softwares and other malware) and AdGuard (to help you stop annoying ads and harmful web-pages). Moreover, to prevent any adware, please stay clear of unknown and third party applications, make sure that your antivirus program, turn on the option to scan for potentially unwanted applications.

If you need more help with Kotcatk.com pop-ups related issues, go to our Spyware/Malware removal forum.

 

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Author: Myantispyware team

Myantispyware is an information security website created in 2004. Our content is written in collaboration with Cyber Security specialists, IT experts, under the direction of Patrik Holder and Valeri Tchmych, founders of Myantispyware.com.

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