AntivirusBEST is another addition to the wide range of scam security programs created by corrupt software developers to deceive computer users and obtain a profit from this illegal activities. If AntivirusBEST got into the system, it will issue false scan results detecting numerous threat found on the hard drive and ask the user to register the program to complete the removal of infections.

Failure to acquire the program may lead to more harm that leads to computer instability and malfunctions of some programs. Though buying the rogue software is not an option, it is important to remove AntivirusBEST immediately to prevent further damage on the computer.

Screenshot Image:


Technical Details and Additional Information:

Damage Level: Medium

Systems Affected: Windows 9x, 2000, XP, Vista

Characteristics (Analysis)
This rogue program will alter settings of Internet browser to redirect every page request to malicious web sites as follows:


Malware Behavior
Counterfeit security application AntivirusBEST has a new method of deceiving computer users, and that is to display a fake Internet Explorer warning page which states that:

Internet Explorer Warning – visiting his web site may harm your computer!

Most likely causes:

The website contains exploits that can launch a malicious code on your computer
Suspicious network activity detected
There might be an active spyware running on your computer

What you can try:

Activate AntivirusBEST for secure Internet surfing (Recommended).
Check your computer for viruses and malware.
More Information


Aside from the above fake warning, AntivirusBEST also exhibits several fake system tray pop-up that contains the following messages:

Your PC is not protected
Security center reports that “AntivirusBEST’ is inactive. Antivirus software helps protect your computer against viruses and other security threats. Click here for the suggested actions. Your system might be at rik now.


Spyware activity alert!
Spyware.IEMonster activity detected. It is spyware that attempts to steal passwords from Internet Explorer, Mozilla Firefox, Outlook and other programs, including logins and passwords from online banking sessions, eBay, Paypal.


System files modification alert!
Some critical files of your computer were modified by malicious programs. It may cause system instability and data loss. Click here to block unauthorised modifications by removing threats.

How to Remove AntivirusBEST

Systematic procedures to get rid of the threat are presented on this section. Make sure to scan the computer with suggested tools and scanners.

NOTE: It is recommended to PRINT or BOOKMARK this instruction because we need to restart Windows during the virus removal process.

Step 1 : Remove AntivirusBEST with this recommended tool

This guide requires a tool called Malwarebytes' Anti-Malware. It is a free tool designed to eradicate various computer infections including AntivirusBEST. MBAM scanner and malware removal tool is distributed for free.

1. In order to completely remove AntivirusBEST, it is best to download and run the recommended tool. Please click the button below to begin download.

Download Tool

2. After downloading, double-click on the file to install the application. If you are using Windows Vista or higher version, right-click on the file and select 'Run as administator' from the list.

3. When User Account Control prompts, please click Yes to proceed with the installation.

4. Follow the prompts and install as 'default' only. There are no changes needed during the installation process.

5. Before the installation procedure ends, MalwareBytes Anti-Malware will prompt if you want to launch the application. Please leave the check mark on Launch Malwarebytes Anti-Malware.

Launch MBAM

6. Lastly, click the Finish button.

7. Malwarebytes Anti-Malware will launch for the first time. It is necessary to proceed with database update.

8. Remove all media such as Floppy drive, CD, DVD, and USB devices. Then, restart the computer.

Boot in Safe Mode on Windows XP, Windows Vista, and Windows 7 system
a) Before Windows begins to load, press F8 on your keyboard.
b) It will display the Advanced Boot Options menu. Select Safe Mode.

Start computer in Safe Mode using Windows 8 and Windows 10
a) Close any running programs on your computer.
b) Get ready to Start Windows. On your keyboard, Press and Hold Shift key and then, click on Restart button.
c) It will prompt you with options, please click on Troubleshoot icon.
d) Under Troubleshoot window, select Advanced Options.
e) On next window, click on Startup Settings icon.
f) Lastly, click on Restart button on subsequent window.
g) When Windows restarts, present startup options with numbers 1 - 9. Select "Enable Safe Mode with Networking" or number 5.

Startup Options

h) Windows will now boot on Safe Mode with Networking. Proceed with virus scan as the next step.

9. Once Windows is running on Safe Mode, find the icon of MalwareBytes Anti-Malware. Double-click to launch the program.

10. Choose Threat Scan on scanner's console to ensure that it thoroughly check the PC for any presence of AntivirusBEST and other forms of threats. Click the Start Scan button to begin.


11. Once the scan has completed, Malwarebytes Anti-Malware will issue a list of identified threats. Mark all threats and click on Remove Selected.

MBAM Scan Finish

12. If it prompts to restart the computer, please reboot Windows normally.

Step 2 : Double-check if AntivirusBEST Still Exists

1. Click on the button below to download Norton Power Eraser from official web site. Save it to your desktop or any location of your choice.

NPE Download

2. After downloading, navigate its location and double-click on the NPE.exefile to launch the program.

3. Norton Power Eraser will run. If it prompts for End User License Agreement, please click on Accept to proceed.

4. On NPE main window, click on Advanced Options. We will attempt to remove "AntivirusBEST" by thoroughly scanning your current operating system.

Advance Scan

5. On next window, select System Scan and click on Scan now to perform standard scan on your computer.

Scan the System

6. NPE will proceed with the scan. It will search for Trojans, viruses, and malware like AntivirusBEST. This may take some time, depending on the number of files currently stored on the computer.

Step 3 : Run Additional Scanner to Ensure that AntivirusBEST is Totally Deleted

Online Virus Scanner:
Another way to remove a virus without the need to install additional anti-virus software is to perform a thorough scan with free Online Virus Scanner. Browse this page to see a list of free services from specific anti-virus and security company.

Alternative Removal Procedures for AntivirusBEST

Use Windows System Restore to return Windows to previous state

During an infection, AntivirusBEST drops various files and registry entries. The threat intentionally hides system files by setting options in the registry. With these rigid changes, the best solution is to return Windows to previous working state is through System Restore.

To verify if System Restore is active on your computer, please follow the instructions below to access this feature.

Access System Restore on Windows XP, Windows Vista, and Windows 7

a) Go to Start Menu, then under 'Run' or 'Search Program and Files field, type rstrui.
b) Then, press Enter on the keyboard to open System Restore Settings.


c) Windows will display list of saved restore points. Select the most recent one to restore Windows to previous working and clean state.
d) It may take some time to fully restore back-up files. Restart Windows when done.

Open System Restore on Windows 8 and Windows 10

a) For Windows 8 user, go to Start Search, while on Windows 10, use the Start Menu Search and type rstrui.
b) Click on the located program to open System Restore window.


c) Windows will display list of saved restore points if it is active. Select the most recent one to restore Windows to previous working and clean state.
d) It may take a while to fully restore back-up files. Restart Windows when done.

If previous restore point is saved, you may proceed with Windows System Restore.

Optional : AntivirusBEST manual uninstall guide

IMPORTANT! Manual removal of AntivirusBEST requires technical skills. Deleting system files and registry entries by mistake may result to total disability of Windows system. We advise you to perform a backup of registry before proceeding with this guide.

1. Kill any running process that belongs to AntivirusBEST.
- Press Ctrl+Alt+Del on your keyboard.
- When Windows Task Manager appears, look for AntivirusBEST files (refer to Technical Reference) and click End Process.

End Task

2. Delete all registry entries that belong to this malware.
- Press [Windows Key]+R on your keyboard.
- In the 'Open' dialog box, type regedit and press Enter. This will open registry editor.
- Find and delete registry entries as mentioned in Technical Reference section.
- Close registry editor. Changes made will be saved automatically.

Run Regedit

3. Scan the computer with antivirus program.
- Connect to Internet and open your antivirus software. Please update to obtain the latest database and necessary files.
- Restart the computer in Safe Mode.
- Just before Windows logo begins to load press F8 on your keyboard.
- On Windows Advanced Boot Options, select Safe Mode and press Enter.
- Thoroughly scan the computer with your updated antivirus software.

4. Delete all files dropped by AntivirusBEST.
- While still in Safe Mode, search and delete malicious files. Please refer to 'Technical Reference'. Make sure that you execute 'End Task' first before deleting the file. Otherwise, the system will not let you perform this action.

Associated Files and Folders:Added Registry Entries:

Ways to Prevent AntivirusBEST Infection

Take the following steps to protect the computer from threats. Suggested tools and security setup within installed software helps prevent the same attack on your PC.

Install an effective anti-malware program

Your first line of defense would be an effective security program that provides real-time protection. We have a list of anti-malware program that are tried and tested. It does not only scan files but also monitors your Internet traffic and is extremely active on blocking malicious communication. Click on the button below to download our recommended anti-malware program.

Get Protection Software

Always update your installed software

Software vendors constantly releases updates for programs whenever a flaw is discovered. Getting the updates makes the computer more secured and help prevents Trojan, virus, malware, and AntivirusBEST similar attacks. If in case your program is not set for instant update, it usually offered from vendor's web site, which you can download anytime.

Maximize the security potential of your Internet browser

Each browser has their own feature where in you can adjust the security settings that fit your browsing habit. We highly encourage you to maximize the setup to tighten the security of your browser.

Apply full caution when using the Internet

Internet is full of fraud, malware, and many forms of computer threats including AntivirusBEST. Implement full caution with links that you may receive from emails, social networking sites, and instant messaging programs. It might lead you to malicious sites that can cause harm to your computer. Avoid strange web sites that offers free services and software downloads.

2 Responses

  1. bryan paulson says:

    I bought the life time Antivirus best & security bundle now may PC is fill of viruses in I’m not prompted at all, It will let scan to clean then they just come back everytime can someone help on this deal. Thanks.

  2. precisesecurity says:

    Antivirus Best is a rogue, fake, scam program. You should not download and paid for it. Above is a procedure to remove Antivirus Best on your computer.

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