Removing Symantec Corporate Antivirus with psexec

by on Mar.23, 2009, under Windows Info

Lately, I’ve been ripping out and replacing antivirus software in the Enterprise. Funny thing is, most of these types of software do not have a remote uninstall utility. Being the famously lazy admin I am, I had no interest in logging into each workstation, and manually removing it.

Instead, I used psexec. It’s just one command in an awesome toolset written by Mark Russinovich called Pstools. So, I saved the following as a batch file, and executed it against all domain workstations. Here’s the contents of the symantec_removal.bat file:


REM save this as c:symantec_removal.bat
@reg add HKLMSOFTWAREIntelLANDeskVirusProtect6CurrentVersionAdministratorOnlySecurity /v UseVPUninstallPassword /t REG_DWORD /d 0 /f
@reg add HKLMSOFTWAREIntelLANDeskVirusProtect6CurrentVersionAdministratorOnlySecurity /v LockUnloadServices /t REG_DWORD /d 0 /f
msiexec /norestart /qn /x{46B63F23-2B4A-4525-A827-688026BE5E40}

Then, just install pstools into your PATH, and open a command prompt on the server, and do this:

psexec \* -c c:symantec_removal.bat

You’ll notice that the msiexec command has a GUID, so if your version of Symantec is different than mine, you’ll need the correct GUID for your version. This can be found here:

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUninstall

Just look through the GUIDs located here until you find your version of Symantec. Then, just replace {46B63F23-2B4A-4525-A827-688026BE5E40} with the GUID found in your registry.

BTW – The first 2 lines in that batch file are for removing the uninstaller password from symantec antivirus. If you don’t use an uninstall password, you can remove them.

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1 Comment for this entry

  • Will

    Yo Bri-
    I used this script and it works perfectly. I also noticed that the GUID was the exact same as the one you had listed in your script, so it may be the same for everyone. Big thanks goes out to you, as you are the man!

    Cheers!


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