Kill Rogue Malicious Process

Internet Security 201x is a fake antivirus software, displaying lots of fake warning.

InternetSecurity2012

If your PC is a victim of such rouge malicious process (yes its not a virus, which remains undetected even with best antivirus security suite).

Then run following command in start–> run

taskkill /F /IM isecurity.exe

follow the syntax and case sensitivity

execute the command few more times to make sure that the process is not running anymore.

Remove these registry entries
HKEY_LOCAL_MACHINE\Software\ISECURITY.EXE
HLEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run “ISECURITY.EXE”
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run “Internet Security 201x?

Remove these Internet Security 201x files:
All Users\Application Data\isecurity.exe
All Users\AppData\isecurity.exe
C:\WINDOWS\Prefetch\ISECURITY.EXE-1824C86D.pf

Its now time to install legitimate antivirus.
make a full scan with latest antivirus
make windows update
restart your PC