Antivirus System Pro

Antivirus System Pro is not an acceptable computer security program because it uses deceiving tactics to be able to attract computer users. The threat is an imitation from various rogue security software and was developed to rip off money from its victims. This unwanted program was installed on computers by means of a Trojan, which can drop and execute Antivirus System Pro executable files. Modifying registry and system files is performed to make sure that Antivirus System Pro will execute on Windows start-up. Once initiated, the malware will never stop ponding your screen with fake alerts and useless advises.

Presence of Antivirus System Pro on one’s computer will trigger more bogus system warning and encourages the owner to buy the license version. Hard drive scanning will be run automatically and display fake security scan results. Executing the removal from the current screen will open-up a web page leading to Antivirus System Pro payment website. Before you arrive at this stage and let malware author steals money from you, it is best to run a virus scan first. We are sure that the result of the valid scan suggests quick removal of Antivirus System Pro. Follow this advice and remove the malware as soon as possible before it can add more harm on the computer.

Type Rogue
Sub-Type FakeAV
OS Affected Windows

What are the Symptoms of Antivirus System Pro Infection?

Antivirus System Pro Rogue Program

Fake program Antivirus System Pro uses a variety of graphical users interface on its antivirus scanner.

It will modify Windows Registry and add the following entries:
HKEY_CURRENT_USER\Software\AvScan
HKEY_CLASSES_ROOT\CLSID\{BAD4551D-9B24-42cb-9BCD-818CA2DA7B63}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\Explorer\Browser Helper Objects\{BAD4551D-9B24-42cb-9BCD-818CA2DA7B63}
HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Run “system tool”

Antivirus System Pro threat will drop the following malicious files:
c:\WINDOWS\sysguard.exe
c:\WINDOWS\system32\iehelper.dll
C:\Documents and Settings\<UserProfile>\<random characters>\<4 random chars>sysguard.exe

Procedures to Remove Antivirus System Pro

Removal steps on this page will help you get rid of the threat effectively using tools and virus scanners. Please make sure that you will carry out the guide in exact order.

Procedure 1: Uninstall Antivirus System Pro from Windows Control Panel

1. Begin the removal process by uninstalling the rogue program from Windows. To do this, we need to open Control Panel. Please ensure that you are logon with the Administrative privilege to access this function.

Accessing Control Panel in Windows 8 and Windows 10

- On your keyboard, Press Windows Key + X.
- Once Quick Access Menu appears on the screen, please click on Control Panel.
- Control Panel window will open. Please proceed to the next step which is uninstalling Antivirus System Pro.

How to access Control Panel in Windows XP, Windows Vista / 7

- Click on Start button that can be found on bottom left corner of the screen.
- From the list, choose Control Panel to access settings of Windows and make the needed changes.

Cpanel Win7

2. To uninstall Antivirus System Pro, click on Uninstall a program under Programs Section. It will open a Program and Features window where-in you can uninstall, change, or repair installed software.

3. Look for Antivirus System Pro title or any suspicious name that was installed recently. To do this, you need to arrange the items chronologically. Click on Installed On to display recently installed programs.

Uninstall Item

4. Select Antivirus System Pro or any suspicious items and then Click on Uninstall button to remove it from Windows.

5. If it prompts for confirmation, please click OK button to proceed.

Procedure 2: Scan Computer in Safe Mode Using Installed Anti-virus Program

1. When troubleshooting a PC, one common step is to boot operating system into Safe Mode with Networking. The same approach will be used in the removal of Antivirus System Pro. Please execute instructions based on your Windows OS version.

Start Windows 8 / Windows 10 in Safe Mode with Networking

- Close all running programs on your computer because we will need to restart Windows on this procedure.
- Press and Hold Shift key on your keyboard while clicking on Restart.
- You will then be presented with Troubleshooting Options.
- Click on Troubleshoot icon.
- Then, Click on Advanced Options icon.
- Select Startup Settings icon and then, Click on Restart button.
- When Windows restarts, it will prompt to choose number from the list of options. Press the number on your keyboard that corresponds to Safe Mode with Networking, commonly number 5.
- Once in Safe Mode, please proceed to the next step which is running a virus scan on the computer.

Start in Safe Mode with Networking (Windows XP / Vista / 7 Instruction)

- Please restart the computer and just before Windows start, press F8 on your keyboard repeatedly. You will be presented with Advanced Options Menu.
- From the selections, choose Safe Mode with Networking. Please use keyboard's arrow up/down to navigate between selections and press Enter to proceed.

win7-safemode

2. Once your Windows is running in Safe Mode, open your installed anti-virus programs and update it to the most recent version by automatically downloading necessary updates.

3. Thoroughly scan the computer and remove all identified threats. Do not restart or turn off the computer after the scan process. You still need to run another scan. Please follow the next procedure.

Procedure 3: Scan and remove Antivirus System Pro files with MalwareBytes Anti-Malware

To remove Antivirus System Pro, download Malwarebytes Anti-Malware. This tool is effective in getting rid of Trojans, viruses and malware.

Download Antivirus System Pro Removal Tool

1. After downloading, please install the program using the default settings.

2. At the end of the installation, please make sure that it will download necessary updates.

3. Once update has completed, MBAM will launch.

MBAM Scanner

4. Select SCAN from the top menu. Then, click on Threat Scan (Recommended) section.

5. Click on Start Scan to thoroughly scan the computer. Remove all threats detected by this anti-malware program after the process.

Procedure 4: Run TrendMicro's Anti-Threat Toolkit (ATTK) to check and delete any remnants of Antivirus System Pro.

As an added help to remove Antivirus System Pro, you can scan the computer with Anti-Threat Toolkit. This software is provided and distributed by TrendMicro. Follow this procedure to run a scan with this tool.

1. Download the package by clicking on the button below. This will launch a new browser window that contains further details about the tool.

FakeAVRemover Download Link

2. Save the file to a location on your hard drive.

3. Browse for the location of the file and double-click to run. If you are using Windows Vista or Windows 7, right-click on extracted file supportcustomizedpackage and click on Run as Administrator.

Run FakeAVRemover

4. When program launch, it will run a command prompt to initialize, prepare components, and update the program.

5. Next it will open the graphical user interface (GUI) of Anti-Threat Toolkit.

FakeAVRemover GUI

6. Click on Scan Now. This operation will scan all Antivirus System Pro files and processes in your computer and display a list of result for possible Fake Antivirus program and malware that needs to be removed.

FakeAVRemover Scan

7. Tick all items that are detected by the program, and then click Clean. The tool will start removing Antivirus System Pro components from the computer.

8. If it asked you to restart Windows, please do so.

Protect your PC from Antivirus System Pro or Similar Attack

Turn On Safe Browsing Features

Google Chrome

Google Chrome's Protection from Dangerous Sites

With Google Chrome's Dangerous Site Protection feature, you will have lesser risks browsing the web. It will display a warning when the site you are trying to visit is suspicious, thus, you can prevent Antivirus System Pro infection. To enable protection from dangerous sites, please do these steps:

1. Open Google Chrome.

2. In the address bar, type this: chrome://settings/ and then, Press Enter.

3. Once on the settings page, click on Show advanced settings... at the bottom of the page to see the rest of the Chrome setup.

4. Locate Privacy section and mark 'Protect you and your device from dangerous sites'.

Chrome Security Settings

5. Please restart Google Chrome. New settings keep your browser safe while surfing the web.

SEE MORE : Enable Google Chrome's protection from dangerous sites

Internet Explorer

Internet Explorer - Activate SmartScreen Filter

Internet Explorer versions 8 and 9 has this feature called SmartScreen Filter. It helps detect phishing web sites and protect you from downloading malicious programs including Antivirus System Pro. To turn on SmartScreen Filter, follow these steps:

1. Please open Internet Explorer.

2. On top menu, select Tools (IE 9). For IE 8, please look for Safety menu.

3. Select SmartScreen Filter from the drop-down list and click on Turn on SmartScreen Filter.

IE SmartScreen Filter

4. Please restart Internet Explorer.

SEE MORE : Comprehensive steps to activate SmartScreen Filter

Mozilla Firefox

Mozilla Firefox - Block Attack Sites and Web Forgeries

Phishing and Malware Protection is a built-in feature on Firefox version 3 or later. It warns you when a page you are trying to visit contains phishing content or an attack site designed to drop threats such as Antivirus System Pro. To help you keep safe while browsing the Internet using Firefox, please follow this guide:

1. Open Mozilla Firefox browser.

2. On top menu, click on Open Menu. Then select Options from the list.

3. Select Security and put a check mark on the following items:

  • Warn me when sites try to install add-ons
  • Block reported attack sites
  • Block reported web forgeries

Firefox Security Settings

Edge Browser

Edge Browser - SmartScreen Filter

SmartScreen filter is a built-in feature in Microsoft Edge browser that can help you deter malicious programs such as Antivirus System Pro. It can block malicious web sites and downloads.

1. Open Microsoft Edge browser.

2. Click on More Actions button located at top right corner of the screen.

3. Select Settings from the drop-down list.

4. Under Settings menu, go to Advanced Settings section and click on View Advanced Settings.

5. Scroll down to "help protect my PC from malicious sites and downloads with SmartScreen Filter". Turn it to ON.

6.You may now restart Microsoft Edge browser.

Edge SmartScreen Filter

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