Severity scale:  
  (12/100)

Kotcatk.com. How to remove? (Uninstall guide)

removal by Olivia Morelli - - | Type: Browser hijacker

Kotcatk.com is a dubious website that redirects users to unknown domains

Kotcatk.com image

Kotcatk.com is a browser hijacker[1] that was created to take over all possessed browsers, including Google Chrome, Internet Explorer, Mozilla Firefox, Safari, and others. Some users might find this application appealing at first. However, people are quick to be disappointed because of persistent redirects and invasive advertising techniques.

SUMMARY
Name Kotcatk.com
Type Browser Hijacker
Main dangers Stolen personal information and/or money, malware infections
Symtoms Altered browser settings, invasive ads and redirects, etc.
Distribution Bundling
Elimination Download and install Reimage

Kotcatk.com tries to lure users by applying multiple links what appears to be Russian news feed. It also provides weather information and has an altered search engine when then redirects all search results to Google.com. The developer is most likely participating in Google ’s affiliate program.

However, the search results obtained that way are not entirely genuine. This type of rerouting is used to generate altered results through Google and expose less-popular websites and boost their traffic. Kotcatk.com virus creators then gain monetary benefit for every click made by users.

Kotcatk.com hijack does not only come with altered search results. By using this questionable application, users not only put computer safety but also their virtual privacy at risk.

The startup page, search engine, and new tab URL are set to kotcatk.com (or similar variants). These modifications cannot be reverted unless the PUP is uninstalled. As the unwanted program can be challenging to remove sometimes, a robust security tool should be used, like Reimage.

The hijacker’s rerouting tendencies are probably the most dangerous. This unwanted program is known to redirect users to shady realms, such as porn, gambling, fake updates, phishing or other hazardous websites. Because these sites are typically not monitored, obtaining malware is just a few steps away. So never click on any redirected content. Simply close your browser and instantaneously proceed with Kotcatk.com removal.

Apart from invasive advertising, Kotcatk, as it is typical to browser hijackers, also collects a variety of anonymous information. This data can include, but is not limited to:

  • IP address;
  • Geo-location;
  • Type of browser used;
  • Type of software used;
  • Links clicked;
  • Websites visited;
  • Search queries, etc.

The collected information helps developers to create a virtual profile and, with the help of hijacked search engine, generate targeted advertising.

Additionally, if you enter any kind of personal information[2] (like name, email, address, social security number, bank details), it might be recorded too. What the unknown parties are doing with this information is unknown. Therefore, we highly advise never to enter any personally identifiable information when the browser is hijacked as it can lead to identity theft or stolen money from a bank account.

To entirely avoid unnecessary danger, you should remove kotcatk.com redirects from your browser as soon as its presence is noted. Do not endanger your computer and personal safety! Also, you can use a legitimate search engine, like Google, Bing or Yahoo.

The way unwanted applications contaminate PCs

If you are not sure how the potentially unwanted program got into your computer, you should check if you installed any free software recently. Bundling is an extremely popular marketing campaign, and many free software and PUP developers use it. Freeware authors often hide additional components inside their installers and do not adequately disclose full lineup of programs.

To avoid that, we recommend being attentive while installing free software. The first important step is never to rush and skip steps. That includes not clicking on “Next” button without adequately looking and picking Advanced or Custom installation mode instead of Recommended one. This way, you can remove ticks from add-ons, toolbars, search engines, optimization tools, media players, file converters and other unwanted programs.

Remove Kotcatk.com from your computer and do not expose yourself to risks anymore

Another big problem with browser hijackers is that they can multiply quickly. Because of unwanted redirects and invasive advertisement, users might be tricked into installing useless software. Additionally, various browser extensions can be installed even without users’ permission. Therefore, Kotcatk.com removal should never be postponed. It can be done either manually or automatically – both methods are effective.

Security experts from bedynet.ru[3] highly advise using an automatic method as the hijacker might be difficult to eliminate. Merely install security software and run a full system scan – that should only take few minutes.

If you don’t like the idea of additional software, however, you can also remove Kotcatk.com virus manually by following our detailed instructions below. However, please be careful as incorrect procedure might lead to reinstallation of the virus or even damaged system files.

You can remove virus damage automatically with a help of one of these programs: Reimage, Malwarebytes MalwarebytesCombo Cleaner, Plumbytes Anti-MalwareMalwarebytes Malwarebytes. We recommend these applications because they detect potentially unwanted programs and viruses with all their files and registry entries that are related to them.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
More information about this program can be found in Reimage review.

If you decided to select another anti-spyware, uninstall Reimage from your computer.
Press mentions on Reimage
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Kotcatk.com, follow these steps:

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Eliminate Kotcatk.com from Windows systems

To eliminate Kotcatk.com from Windows OS, follow these steps:

  1. Click Start Control Panel Programs and Features (if you are Windows XP user, click on Add/Remove Programs).Click 'Start -> Control Panel -> Programs and Features' (if you are 'Windows XP' user, click on 'Add/Remove Programs').
  2. If you are Windows 10 / Windows 8 user, then right-click in the lower left corner of the screen. Once Quick Access Menu shows up, select Control Panel and Uninstall a Program. If you are 'Windows 10 / Windows 8' user, then right-click in the lower left corner of the screen. Once 'Quick Access Menu' shows up, select 'Control Panel' and 'Uninstall a Program'.
  3. Uninstall Kotcatk.com and related programs
    Here, look for Kotcatk.com or any other recently installed suspicious programs.
  4. Uninstall them and click OK to save these changes. Right click on each of suspicious entries and select 'Uninstall'
  5. Remove Kotcatk.com from Windows shortcuts
    Right click on the shortcut of Mozilla Firefox and select Properties. Right click on browsers' icon and select 'Properties'
  6. Go to Shortcut tab and look at the Target field. Delete malicious URL that is related to your virus. Select 'Shortcut' tab and delete 'http://isearch.babylon.com...' or other suspicious URL

Repeat steps that are given above with all browsers' shortcuts, including Internet Explorer and Google Chrome. Make sure you check all locations of these shortcuts, including Desktop, Start Menu and taskbar.

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Remove Kotcatk.com from Mac OS X system

  1. If you are using OS X, click Go button at the top left of the screen and select Applications. Cick 'Go' and select 'Applications'
  2. Wait until you see Applications folder and look for Kotcatk.com or any other suspicious programs on it. Now right click on every of such entries and select Move to Trash. Click on every malicious entry and select 'Move to Trash'
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Get rid of Kotcatk.com from Internet Explorer (IE)

  1. Remove dangerous add-ons
    Open Internet Explorer, click on the Gear icon (IE menu) on the top right corner of the browser and choose Manage Add-ons. Click on menu icon and select 'Manage add-ons'
  2. You will see a Manage Add-ons window. Here, look for Kotcatk.com and other suspicious plugins. Disable these entries by clicking Disable: Right click on each of malicious entries and select 'Disable'
  3. Change your homepage if it was altered by virus:
    Click on the gear icon (menu) on the top right corner of the browser and select Internet Options. Stay in General tab.
  4. Here, remove malicious URL and enter preferable domain name. Click Apply to save changes. Delete malicious URL, enter your desired domain name and click 'Apply' to save changes
  5. Reset Internet Explorer
    Click on the gear icon (menu) again and select Internet options. Go to Advanced tab.
  6. Here, select Reset.
  7. When in the new window, check Delete personal settings and select Reset again to complete Kotcatk.com removal. Go to 'Advanced' tab and click on 'Reset' button. Now select 'Delete personal settings' and click on 'Reset' button again
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Erase Kotcatk.com from Microsoft Edge

Reset your MS Edge browser as soon as you delete all PUPs.

Reset Microsoft Edge settings (Method 1):

  1. Launch Microsoft Edge app and click More (three dots at the top right corner of the screen).
  2. Click Settings to open more options.
  3. Once Settings window shows up, click Choose what to clear button under Clear browsing data option. Go to Settings and select 'Choose what to clear'
  4. Here, select all what you want to remove and click Clear. Select 'Clear' button
  5. Now you should right-click on the Start button (Windows logo). Here, select Task Manager. Open the start menu and select 'Task Manager'
  6. When in Processes tab, search for Microsoft Edge.
  7. Right-click on it and choose Go to details option. If can’t see Go to details option, click More details and repeat previous steps. Right-click 'Microsoft Edge' and select 'Go to details' Select 'More details' if 'Go to details' option fails to show up
  8. When Details tab shows up, find every entry with Microsoft Edge name in it. Right click on each of them and select End Task to end these entries. Find Microsoft Edge entries and select 'End Task'

Resetting Microsoft Edge browser (Method 2):

If Method 1 failed to help you, you need to use an advanced Edge reset method.

  1. Note: you need to backup your data before using this method.
  2. Find this folder on your computer: C:\Users\%username%\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe.
  3. Select every entry which is saved on it and right click with your mouse. Then Delete option. Go to Microsoft Edge folder on your computer, right-click every entry and click 'Delete'
  4. Click the Start button (Windows logo) and type in window power in Search my stuff line.
  5. Right-click the Windows PowerShell entry and choose Run as administrator. Find Windows PowerShell, right-click it and select 'Run as administrator'
  6. Once Administrator: Windows PowerShell window shows up, paste this command line after PS C:\WINDOWS\system32> and press Enter:
    Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register $($_.InstallLocation)\AppXManifest.xml -Verbose}
    Copy and paste a required command and press 'Enter'

Once these steps are finished, Kotcatk.com should be removed from your Microsoft Edge browser.

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Delete Kotcatk.com from Mozilla Firefox (FF)

  1. Remove dangerous extensions
    Open Mozilla Firefox, click on the menu icon (top right corner) and select Add-ons Extensions. Click on menu icon and select 'Add-ons'
  2. Here, select Kotcatk.com and other questionable plugins. Click Remove to delete these entries. Select 'Extensions' and look for malicious entries. Click 'Remove' to get rid of each of them
  3. Change your homepage if it was altered by virus:
    Click on the menu (top right corner), choose Options General.
  4. Here, delete malicious URL and enter preferable website or click Restore to default.
  5. Click OK to save these changes. When in 'General' tab, delete malicious URL from 'Home Page' section or click on 'Restore to Default' button. Click 'OK' to save changes
  6. Reset Mozilla Firefox
    Click on the Firefox menu on the top left and click on the question mark. Here, choose Troubleshooting Information. Click on menu icon and then on '?'. Select 'Troubleshooting Information'
  7. Now you will see Reset Firefox to its default state message with Reset Firefox button. Click this button for several times and complete Kotcatk.com removal. Click on 'Reset Firefox' button for a couple of times
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Uninstall Kotcatk.com from Google Chrome

  1. Delete malicious plugins
    Open Google Chrome, click on the menu icon (top right corner) and select Tools Extensions. Click on menu icon. Select 'Tools' and 'Extensions'
  2. Here, select Kotcatk.com and other malicious plugins and select trash icon to delete these entries. Look for malicious entries and delete each of them by clicking on the Trash bin icon
  3. Change your homepage and default search engine if it was altered by your virus
    Click on menu icon and choose Settings.
  4. Here, look for the Open a specific page or set of pages under On startup option and click on Set pages. After clicking on menu and 'Settings', select 'Set pages'
  5. Now you should see another window. Here, delete malicious search sites and enter the one that you want to use as your homepage. Click 'X' to remove malicious URLs
  6. Click on menu icon again and choose Settings Manage Search engines under the Search section. When in 'Settings', select 'Manage search engines...'
  7. When in Search Engines..., remove malicious search sites. You should leave only Google or your preferred domain name. Click 'X' to remove malicious URLs
  8. Reset Google Chrome
    Click on menu icon on the top right of your Google Chrome and select Settings.
  9. Scroll down to the end of the page and click on Reset browser settings. When in 'Settings', scroll down to 'Reset browser settings' button and click on it
  10. Click Reset to confirm this action and complete Kotcatk.com removal. Click on 'Reset' button to complete your removal
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Eliminate Kotcatk.com from Safari

  1. Remove dangerous extensions
    Open Safari web browser and click on Safari in menu at the top left of the screen. Once you do this, select Preferences. Click on 'Safari' and select 'Preferences'
  2. Here, select Extensions and look for Kotcatk.com or other suspicious entries. Click on the Uninstall button to get rid each of them. Go to 'Extensions' and uninstall malicious add-ons
  3. Change your homepage if it was altered by virus:
    Open your Safari web browser and click on Safari in menu section. Here, select Preferences as it was displayed previously and select General.
  4. Here, look at the Homepage field. If it was altered by Kotcatk.com, remove unwanted link and enter the one that you want to use for your searches. Remember to include the "http://" before typing in the address of the page. When in 'General', delete malicious URL and enter your desired domain name
  5. Reset Safari
    Open Safari browser and click on Safari in menu section at the top left of the screen. Here, select Reset Safari.... Click on 'Safari' and select 'Reset Safari...'
  6. Now you will see a detailed dialog window filled with reset options. All of those options are usually checked, but you can specify which of them you want to reset. Click the Reset button to complete Kotcatk.com removal process. Select all options and click on 'Reset' button

About the author

Olivia Morelli
Olivia Morelli - Ransomware analyst

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