What is OSGuard Pro

OSGuard Pro is a scam. It is a scareware, which is designed just to take your money and scam you in the name of providing security to your computer.

OSGuard Pro is in fact a browser hijacker, which pretends to be associated with the brand name of Microsoft to gain the credibility. In fact this browser hijacker makes changes to your hosts file and makes an entry into it related to IP address The result is that the victim’s browser shows the URL osguardpro.microsoft.com in the address bar, while the browser actually points to the given IP address, which has nothing to do with Microsoft.

In fact, this IP address is home to a known rogue Antivirus System Pro. We have already mentioned in an earlier post, how to remove Antivirus System Pro.

Technical Details of OSGuard Pro

  • Full name: OSGuard Pro, OS Guard Pro, OS Guard 2010
  • Date Appeared: Oct. 2009
  • Characteristic: Rogue security program
  • URL: http://Osguardpro.microsoft.com

Do I need to remove OSGuard Pro

You can yourself search your computer manually, but it is not recommended unless you are a tech-geek. To save time and effort, we recommend you to download a FREE Scanner.

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Free Scanner for OsGuard Pro


How to Uninstall OSGuard Pro scam


The best way for the removal of OSGuard Pro is to install a good quality Anti-spyware Program and scan your system for any infections.

Automatic removal of OSGuard Pro is always good and complete as compared to any attempts to manually remove it, which may sometime lead to erroneous results. If you are not completely aware of all the files and registry entries used by this rogue anti-spyware, then we do not recommend you to attempt for the manual removal of OSGuard Pro .

Instructions to get rid of OSGuard Pro

If you really want to remove the OSGuard Pro infection on your system manually then proceed as follows.

Step 1: Kill the OSGuard Pro ProcessesLearn how to do that

%ProgramFiles%\Antivirus System PRO\Antivirussystempro.exe
%ProgramFiles%\Antivirus System PRO\uninstall.exe

Step 2: Remove OSGuard Pro files, folders and all associated OSGuard Pro DLL files:Learn how to do that

%ProgramFiles%\Antivirus System PRO\conf.cfg
%ProgramFiles%\Antivirus System PRO\mbase.vdb
%ProgramFiles%\Antivirus System PRO\quarantine.vdb
%ProgramFiles%\Antivirus System PRO\queue.vdb

%ProgramFiles%\Antivirus System PRO\

Step 3: Uninstall OSGuard Pro registry entries: Learn how to do that

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\Microsoft\Windows\CurrentVersion\Run “system tool”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{BAD4551D-9B24-42cb-9BCD-818CA2DA7B63}

Free Scan for OSGuardPro