Use the following instructions to remove AntivirusGT or Antivirus GT (Uninstall instructions)
Step 1. Disable malicious add-on.
Run Internet Explorer. Click Tools -> Manage Add-ons. Select UpdateCheck.dll addon and you will see an image.
Manage Add-ons
Click disable, click OK and click OK to close Manage Add-ons window. Close Internet Explorer and run it once again.
Step 2. Stop AntivirusGT process.
You need stop a core process of AntivirusGT, after that, you will be able to remove this malicious program and any associated malware without any problem.
Right click to Windows task bar, select Task manager. Task Manager window opens. In the list of processes select the AntivirusGT.exe and you will see a screen similar to the one below.
Task Manager
Click End process button and click Yes for confirm. Close Task Manager.
If Task Manager is blocked, then go to My computer, open your system disk (disk C by defaults), then open System32 folder. Copy file taskmgr to your desktop. Right click to taskmgr icon on your desktop and select Rename. Type explorer and press Enter. Then repeat the step 2 once again.
Step 3. Remove AntivirusGT.
Download MalwareBytes Anti-malware (MBAM). Close all programs and Windows on your computer.
Double Click mbam-setup.exe to install the application. When the installation begins, keep following the prompts in order to continue with the installation process. Do not make any changes to default settings and when the program has finished installing, make sure a checkmark is placed next to Update Malwarebytes’ Anti-Malware and Launch Malwarebytes’ Anti-Malware, then click Finish.
If an update is found, it will download and install the latest version.
Once the program has loaded you will see window similar to the one below.
malwarebytes-antimalware1
Malwarebytes Anti-Malware Window
Select Perform Quick Scan, then click Scan, it will start scanning your computer for AntivirusGT infection. This procedure can take some time, so please be patient.
When the scan is complete, click OK, then Show Results to view the results. You will see a list of infected items similar as shown below. Note: list of infected items may be different than what is shown in the image below.
Malwarebytes Anti-malware, list of infected items
Make sure that everything is checked, and click Remove Selected for start removal process. When disinfection is completed, a log will open in Notepad and you may be prompted to Restart.
Note 1: if you can not download, install, run or update Malwarebytes Anti-malware, then follow the steps: Malwarebytes won`t install, run or update – How to fix it.
AntivirusGT creates the following files and folders
C:\Program Files\AVGT
%Temp%\MICROS~1.DLL
C:\Program Files\AVGT\antivirusGT.exe
AntivirusGT creates the following registry keys and values
HKEY_CLASSES_ROOT\CLSID\{3304F17F-732C-4AC6-BF67-DBDC8B88C11F}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3304F17F-732C-4AC6-BF67-DBDC8B88C11F}
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AVGT
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