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Pest Detector 4.1. How to remove? (Uninstall guide)

removal by Jake Doevan - -   Also known as Pest Detector, PestDetector4.1 | Type: Rogue Antispyware

Pest Detector 4.1 is a rogue anti-virus program that uses false scan results and misleading security alerts or fake fake pop-ups in order to try and convince you that your computer is infected with malware. Once installed, the rogue program will supposedly scan your computer and list a variety of infections on your computer. Then Pest Detector 4.1 will state that it won’t remove the infections until you first purchase it. Don’t but this fake program. Otherwise, it will scam you out of your money. If you have paid for Pest Detector already then we suggest you contact your credit card company and dispute the charges. Then please follow our removal instructions below to remove Pest Detector 4.1 virus from the computer either manually or with an automatic removal tool.

Pest Detector 4.1 is a clone of Red Cross Antivirus, Peak Protection 2010 and some other scareware. While running, it will shown a constant stream of fake security alerts stating that your computer is infected with Trojans, adware, worms and other viruses. It will block task manager, registry editor and disable system restore. Most likely you won’t be able to boot your computer is safe mode too. You will have to end Pest Detector 4.1 processes first and then download malware removal software. For more information see removal instructions below. As you can see, PestDetector4.1 is nothing more but a scam. Please uninstall it from oyur computer as soon as possible if your computer is already infected with this virus. Also note that it may download additional malware onto your computer that’s why we strongly recommend you to use an automatic removal tool.

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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 Pest Detector 4.1. 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.
Pest Detector 4.1 snapshot
Pest Detector 4.1

Pest Detector 4.1 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

Jake Doevan
Jake Doevan - Computer technology expert

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  • Guest

    I definately have this virus all the descriptions are accurate but the file names to be deleted have changed – there are no defender, antispy or tmp processes… and the registry files are not there as indicated either…

  • Dino

    my pc was infected by Pest Detector 4.1 its a rogue virus..finally i removed it..thanks guys

  • Guest

    hotfix.exe is another one! And i mirror other comments, alot of the registry names aren't there and files to be deleted i believe have changed also, further help would be appreciated.