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Major Defense Kit. How to remove? (Uninstall guide)

removal by Alice Woods - -   Also known as MajorDefenseKit | Type: Rogue Antispyware

Major Defense Kit is a fake antivirus program that is promoted through misleading advertisements on infected websites or through the use of Trojan downloaders and other malware. Once installed, the program will be set to run when you start your computer. While running, Major Defense Kit will pretend to scan your PC and then display numerous infections, such as spyware, adware and Trojans. It will prompt you to pay for a full version of the program to remove the infections. In reality, though, it won’t remove any infections even if you purchase it. That’s because MajorDefenseKit is a virus itself and it reports non-existent infections on your computer. It goes without saying that you should remove Major Defense Kit from the computer as soon as possible. Please follow the removal instructions below.

Major Defense Kit is from the same family as Red Cross Antivirus, Peak Protection 2010 and Pest Detector 4.1. Recently, this rogue program is being promoted through the use of the fake Microsoft Security Essentials Alert. Major Defense Kit will also display pop-ups stating that your computer is under attack or that you have some security risk. The rogue program will block task manager and registry editor. It will disable system restore, safe mode and won’t let you visit certain security related websites. Without a doubt, this fake program was created with only one goal – to trick users into paying for a full version of MajorDefenseKit. Please don’t purchase it. Instead, please follow Major Defense Kit removal instructions below. We strongly recommend you to use an automatic removal tool to remove this virus and any related malware from your computer.

We might be affiliated with any product we recommend on the site. Full disclosure in our Agreement of Use. By Downloading any provided Anti-spyware software to remove Major Defense Kit you agree to our privacy policy and agreement of use.
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Compatible with Microsoft Windows Compatible with OS X
What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall Major Defense Kit. 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.

Note: Manual assistance required means that one or all of removers were unable to remove parasite without some manual intervention, please read manual removal instructions below.

More information about this program can be found in Reimage review.

More information about this program can be found in Reimage review.
Major Defense Kit snapshot
Major Defense Kit

Major Defense Kit manual removal:

Kill processes:



Delete registry values:

HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionInternet Settings "WarnonBadCertRecving" = "0"

HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionInternet Settings "WarnOnPostRedirect" = "0"

HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRun "tmp"

HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRunOnce "SelfdelNT"

HKEY_CURRENT_USERSoftwareMicrosoftWindows NTCurrentVersionWinlogon "Shell" = "%UserProfile%Application Dataantispy.exe"

Delete files:
%UserProfile%\Application Data\antispy.exe

%UserProfile%\Application Data\defender.exe

%UserProfile%\Application Data\tmp.exe

%UserProfile%\Local Settings\Temp\kjkkklklj.bat

Delete directories:
%UserProfile%Application DataPAV

About the author

Alice Woods
Alice Woods - Likes to teach users about virus prevention

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  • Thijs Feldberg

    Does this really work?

  • Leo

    I have the Major Defense Kit parasite on my new Dell Inspiron Mini computer. It will not allow me to get online or access the internet to download a removal kit. What do I do now ??

  • Guest

    major defense kit won't allowe me to go on internet. so i can download a removal kit wat do i do now.

  • Guest

    I was able to go to task manager, end the process for Major Defense Kit, and after doing that open an internet browser. I haven't tried the uninstall fix above yet.

  • Guest

    I hate this dont do it. It wiped my internet and i cant get it back even when i downloaded it again it didnt work. stupid dickhead company

  • Guest

    to save alot of problems, just wipe and reload your operating system

  • Chris (PC Tech)

    you really should just wipe and reload your operating system. by doin so it would safely clean your computer and get you back up and running without any further issues.

  • Guest

    i would recommend just wiping and reloading your operating system to be sure that you removed all that is needed for your computer to run proper.

  • Guest

    I had tis virus and after not being on my computer for a week or two i turned it on and it seems to have deleted itself as it no longer does the scanning process it once did nor does it block me from getting on. is that possible?