Antivirus System Pro is another fake software posing as an anti virus. Antivirus System Pro sneaks into your system through a Trojan or an infected website. Just like the other scarewares, Antivirus System Pro pops out a lot of phony alerts. Antivirus System PRO pop up and make false security warnings scaring you to buy the “full” version of Antivirus System PRO.It has a very nice and seemingly legitimate interface, which could fool you into believing that you are infected by malware and exaggerating its effect on your overall system. It does somehow tell the truth that your system is infected. However, the infection is actually what is giving you the warning.Now, how do you remove this Antivirus System Pro? Search through the internet and you'll get a lot of answers on how to remove antivirus system pro. Some of them would link you to another antivirus software download. But how could you be sure that this is a legitimate one and just another of its kind or still a part of this Antivirus System Pro?You can opt to remove it manually but it might take a while. Just be patient and carefully follow the following steps:

1.       Remove the pop-up advertisements temporarily and end processes related to it.

• Press Ctrl + Alt + Delete
• Choose "Task Manager"
• Click on the "Processes" Tab
• Search for the following processes:

Ø       Antivirussystempro.exe, uninstall.exe (if constantly running), and sysguard.exe

• End these processes

2.      Search your computer for Antivirus System PRO files:

• Type "Antivirus System PRO" in the search box and search for all of these files including:

§         c:\WINDOWS\system32\iehelper.dll

§         %ProgramFiles%\Antivirus System PRO\conf.cfg

§         %ProgramFiles%\Antivirus System PRO\mbase.vdb

§         %ProgramFiles%\Antivirus System PRO\quarantine.vdb
%ProgramFiles%\Antivirus System PRO\queue.vdb 

• Search and delete the following folder:

Ø      %ProgramFiles%\Antivirus System PRO\

3.      Create a backup file of your entire registry by generating a system restoration point.

4.      Remove the following entries from your registry:

• HKEY_LOCAL_MACHINE\SOFTWARE\Antivirus System PRO
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Antivirus System PRO
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run "Antivirus System PRO"
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad "ieModule"
• HKEY_CURRENT_USER\Software\AvScan
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "system tool"
• HKEY_CLASSES_ROOT\CLSID\{BAD4551D-9B24-42cb-9BCD-818CA2DA7B63}
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{BAD4551D-9B24-42cb-9BCD-818CA2DA7B63}

Ø      If you locate any of these files, right-click the file and select "Modify" and "Delete"

5.      Remove ‘iehelper.dll' file using the Regsvr32 tool:

• Go to Start, Run, type "cmd", and click "OK"
• Go to the System32 Folder by typing “CD c:\WINDOWS\system32” and press ENTER
• Type “regsvr32 /u iehelper.dll”, press ENTER to unregister it from your system.

6.      You may search all your local hard drives again for "Antivirus System PRO" and "SYSGUARD" and make sure that all of these files are deleted.

7.      Restart the computer.

• If no pop-ups appear after restarting the computer then the Antivirus System Pro should have been removed.

8.      Run a windows optimization tool to repair any damages that might have occurred from the deletion or those that were caused by the Antivirus System Pro itself.