BitDefender 2011 can be removed first by stopping its processes (OQ4C92F6.exe, BitDefender 2011.exe, iesafemode.exe) and then kill its files by using Emsisoft HiJackFree. Then the user has to remove all the related files and folder. Finally, restore the registry entries added and modified by BitDefender 2011 (Read the removal guide below to remove BitDefender 2011 successfully).
BitDefender 2011 should be removed immediately.
BitDefender 2011 Removal Guide
Kill Process
(How to kill a process effectively?)
bitdefender.exe
Unregister DLL files
%Program Files%\adc_w32.dll
Delete Registry
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform "WinNT-EVI 21.04.2011"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\opera.exe "Debugger" = 'msiexecs.exe -sb'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\safari.exe "Debugger" = 'msiexecs.exe -sb'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\firefox.exe "Debugger" = 'msiexecs.exe -sb'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\iexplore.exe "Debugger" = 'msiexecs.exe -sb'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\chrome.exe "Debugger" = 'msiexecs.exe -sb'
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "BitDefender 2011" = 'C:\Program Files\BitDefender 2011\bitdefender.exe'
HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings "ProxyEnable" = '0'
HKEY_CURRENT_USER\Software\EVAEC2
HKEY_CURRENT_USER\Software\MonEC2
Remove Folders and Files
c:\Documents and Settings\All Users\Start Menu\BitDefender 2011
c:\Program Files\BitDefender 2011
%AllUsersProfile%\Start Menu\BitDefender 2011
%UserProfile%\Desktop\BitDefender 2011.lnk
%Temp%\srvED4.tmp
%Temp%\srvED4.ini
BitDefender 2011 should be removed immediately.
BitDefender 2011 Removal Guide
Kill Process
(How to kill a process effectively?)
bitdefender.exe
Unregister DLL files
%Program Files%\adc_w32.dll
Delete Registry
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform "WinNT-EVI 21.04.2011"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\opera.exe "Debugger" = 'msiexecs.exe -sb'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\safari.exe "Debugger" = 'msiexecs.exe -sb'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\firefox.exe "Debugger" = 'msiexecs.exe -sb'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\iexplore.exe "Debugger" = 'msiexecs.exe -sb'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\chrome.exe "Debugger" = 'msiexecs.exe -sb'
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "BitDefender 2011" = 'C:\Program Files\BitDefender 2011\bitdefender.exe'
HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings "ProxyEnable" = '0'
HKEY_CURRENT_USER\Software\EVAEC2
HKEY_CURRENT_USER\Software\MonEC2
Remove Folders and Files
c:\Documents and Settings\All Users\Start Menu\BitDefender 2011
c:\Program Files\BitDefender 2011
%AllUsersProfile%\Start Menu\BitDefender 2011
%UserProfile%\Desktop\BitDefender 2011.lnk
%Temp%\srvED4.tmp
%Temp%\srvED4.ini
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