Help to Remove Cat.exe

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Cat.exe is one kind of adware and its main function is to produce ads and enable them surging on your screen. Whatever browsers you use, it can make its ways without obstacles, including Microsoft Edge, Google Chrome, Internet Explorer, Mozilla Firefox and even Safari. Cat.exe is able to delicate your browser protection functions and turn off your firewall so that you can not be aware of what happen to your computer. Sooner or later, your PC is screwed up and you lose money as well.

Cat.exe can be used for fraud. It is able to steal your information when you are browsing or chatting. It detects the main topics on your online conducts, and then utilize it to make up ads or make a fake website with this information. Therefore, if you miss only a small trace of clues, you may lose tens of thousands of moneys.

For example, when you are finding some books in Internet, you will be caught by numerous ads by Cat.exe about these books. Sometimes when you turn into the official stores, they are still here. So you will spontaneously take it as an ad from official stores, and click it. It will instruct you how to get the lowest prices for these books. When you finished all the steps, you pay this money, as well as lose your identities.

In this way, Cat.exe is not only bothering you, but also stealing all your information. Obviously, you should get it away from your PC. Please take after the removal guides as soon as possible.

Cat.exe Virus Harmful Properties:

1. It can enter your computer without any permission and without your knowledge.
2. It redirects you to malicious websites that contain more malware or viruses.
3. It offers nasty commercial ads which make you lose lots of money
4. It may get your system infected with others dangerous threats.
5. It can poor the computer performance and broke the system randomly.
6. It is able to collect crucial information about you and share them with cyber criminal

Cat.exe Removal Tutorial for PC Users and Mac OS Users

Note: Windows PC users should read the Part 1; Mac OS Users should read Part 2

Part 1 – Remove Cat.exe from Windows PCs

First Method – Manually Remove Cat.exe (For Users with Expert Skills)

Second Method – Automatically Remove Cat.exe Quickly and Safely (Easy For All Computer Users)

First Method – Cat.exe Manual Removal

Step 1 – End Cat.exe process in Task Manager.

1. Press “Ctrl+ Shift + Esc” keys to call out Windows Task Manager
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2. Click Processes > find Cat.exe process or suspicious processes and select End process.
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Step 2 – Uninstall Cat.exe and suspicious programs from Control Panel.

Windows 10 : Click Start Menu >> Click All Apps >> Find out Cat.exe and other unwanted programs, then right-click on it and select Uninstall:

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how can i get rid of Cat.exe completely from win 10

Windows 8
– From the Start screen, press the Windows key + W to search for settings;
– Type “control panel” in search box and then click Control Panel.
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– Click Uninstall a program to open Programs and Features
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– Find Cat.exe and unwanted programs >> click Uninstall
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Win 7 / Vista / XP
– Click Start button >> click Control Panel in Start Menu
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– Click Uninstall a program to open Programs and Features
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– Find Cat.exe and unwanted programs >> click Uninstall
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Step 3 Remove Cat.exe and related extensions / add-on on web browser.

Google Chrome:
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Click the Chrome menu on the browser toolbar >> click Tools >> click Extensions >> Click the trash can icon to remove Cat.exe and unwanted extensions

Internet Explorer:
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Open Internet Explorer >> click Tools button >> click Manage add-ons >> Remove or Disable the Cat.exe and related add-on

Mozilla Firefox:
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Click the menu button on firefox >> click Add-ons >> select the Extensions or Appearance panel >> remove Cat.exe and unwanted or unknown extensions

Microsoft Edge:

This browser do not have extensions or add-on sections, you just need to reset homepage and search engine to remove hijacker installed by Cat.exe :

1. Set your homepage page on Microsoft Edge to remove hijacker virus.

    • Select More (…) on the address bar, then Settings

      • Under Open with, select A specific page or pages
      • select Custom to enter the URL of page you want to set as homepage

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2 . Set your default search engine to remove search redirect virus.

    • Select More (…) on the address bar, then Settings

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    • Click View advanced settings

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    • Click <Add new> under “Search in the address bar with”, then input the search engine you like

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    • Now select the search engine you like and click Add as default

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Step 4 Remove Cat.exe related registry files in Registry.

– Press Win + R keys together to open Run window
– Type “regedit” and click OK
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– Find out all related registry files of Cat.exe:
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HKEY_CURRENT_USERSoftwareMicrosoftInternet ExplorerMain “Default_Page_URL”
HKEY_LOCAL_Machine\Software\Classes\[adware name]
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “.exe”
HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\random
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” = ’0

Second Method – Cat.exe Automatic Removal

Step 1 – Scan your computer with SpyHuner Malware Scanner and remove Cat.exe and other threats:

If you are not a advanced PC users with rich experience and knowledge on handling PC virus, we highly recommend you to use SpyHunter Malware Scanner to get rid of Cat.exe with ease and without risk.

– Click the button below to Download SpyHuner Malware Scanner safely:


*Free version of SpyHunter will help you detect unsafe items for free. After it detects dangerous items, you can locate their paths and manually get rid of them on your own if you have rich experience on manual virus removal; In case manual removal is too difficult for you, you have choice to purchase its full version to remove the virus automatically. Meanwhile, the full version of SpyHunter will offers you unlimited one-on-one professional help for any malware related issue by its official PC expert. If you want to uninstall it, follow steps on this guide: Guide to Uninstall SpyHunter / RegHunter. )


– Now double-click SpyHunter-Installer.exe to install it:
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Now click Star New Scan or click Scan Computer Now to detect Cat.exe and related viruses.
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Once it completes the scan, click Fix Threats to remove Cat.exe and other viruses.
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Step 2 Run RegHunter to Fix Registry Error and Security Bugs Caused by Cat.exe.

To prevent Cat.exe coming back after system restart, you need to recover your Registry to healthy status and fix all the security bugs / exploits caused by Cat.exe. But please note that Registry is one of the most complicated and import section to a system, we should always be carefully while having any operations in it. Therefore, if you are not a computer expert, it’s wise to use a reliable tool to help you fix the Registry and security bugs automatically. Our tech team has tested different Registry fixer and system optimizer, and ranked RegHunter as the best tool which can help users fix all the system errors including Registry error, BSOD error and system crash. Download it to recover your PC to the best status with top performance.


– Click the button below to donwload RegHunter System Optimizer:

* If you want to remove it, follow steps in this guide: Guide to Uninstall SpyHunter / RegHunter. Free version of RegHunter provides unlimited free scans and detection. After it detects corrupted registry files and system errors files, you can follow the scan results to manually replace them with healthy files copied from healthy PC on your own; or to purchase its full version to automatically fix the Registry and errors with ease. Meanwhile, the full version of RegHunter will offers you great features to optimize your system performance.

Now double-click RegHunter-Installer.exe to install it
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– Click “Scan for Registry Errors Now” to detect corrupted files and fix all errors caused by Cat.exe:
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– Click “Repair All Errors” to fix Registry and optimize system performance:
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Step 3 (Optional) Run Avast Internet Security (100% Free Version) to re-check your PC and protect your privacy:


Part 2 – Remove Cat.exe from Mac OS

Step 1 – Disable or Remove nasty extensions installed by Cat.exe from Safari, Firefox and Chrome.


delete Cat.exe from mac completely
delete Cat.exe from safari completely

– Choose Safari > Preferences.
-Click the Extensions icon, then select an extension from the list.
– Deselect the Enable checkbox to turn off that extension

Mozilla Firefox:

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– Click the orange “Firefox” button in the top left-hand corner of the browser window and choose “Add-ons” from the right column of the menu to open an Add-ons Manager tab in the active browser window.
– Click “Extensions” to view the installed extensions that add features to Firefox, or click “Plugins” to view plugins that add compatibility and functionality.
– Find the add-on you want to disable and click its “Disable” button.
– If you want to delete an extension entirely, click “Remove.”

Google Chrome:

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– Click the menu icon “” at the top right of the browser window, choose “Tools” and choose “Extensions” to open a new “Options” tab.
– Uncheck “Enabled” to disable an extension, or click “Remove” to delete it completely.
– Enter “chrome://plugins/” in Chrome’s address bar to view plugins that add compatibility and functionality, such as Apple QuickTime or Adobe Flash,
– Click the “Disable” link under the plugin you want to disable.

Step 2 – Install Professional Cat.exe Removal Tool – MacBooster Lite to detect and remove all infections connected with Cat.exe and speed up your Mac.

MacBooster Lite is one of the most powerful and popular anti-malware and optimization app designed for Mac OS. It is developed to help Mac users clean, speed up and optimizing Mac machines. With the greats features such as Internet Security, System Cleanup, System Optimization and Disk Clean, you can keep your Mac away from virus and malware attack and avoid online spam and phishing websites and protect your privacy and files well. Our lab has tested it and confirmed that MacBooster can help you get rid of Cat.exe and other threats completely and easily. Now install it and let it serves you now:

1. Click “Free Download” button here to download and install MacBooster quickly:

2. Once installed, MacBooster will diagnose System Status of your Mac and then you can fix all errors and remove all detected infections completely:

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Why Thousands of Mac Users Recommend MacBooster:

MacBooster can assist you to solve all kind of issues with just one click. It clears out junk files to speed up your Mac, detects and removes various infections, identifies big or duplicated files that take up large portion of hard disk, and helps you uninstall unwanted apps that won’t easily go away. It is the ultimate tool you will need to keep your Mac machines running fast and safely. Here are the useful functions you can get from MacBooster:

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Tips on Prevent Virus and Malware Such as Cat.exe

If you want to keep your PC from all kinds viruses and malware active online, you need to always follow these rules while using your PC:1. Always choose Custom Installation while installing freeware so that you can deselect unwanted options or cancel unauthorized change;2. Always scan attachments in emails before you open it; never open any attachment or click links on emails which you do not know if it is safe;3. Do not visit any porn website because most of porn websites embedded with malicious codes from cyber criminal;4. Always scan torrent files and other files downloaded from third party website before you open them;5. Never update any of your software from third party website; make sure the software update alert appearing on your screen is from official website;6. Do not click ads (e.g. “Ads by “, “Ads brought by “, “Ads powered by “, etc. ) which do not belong to the websites you visit.