Anvisoft team developed a special tool to kill security shield 2012.
The name is security-shield-killer, the name is security-shield-killer.
You can download here www.anvisoft.com/wiki/security-shield-virus-r
emoval.html
Alternative way to remove security shield:
Step1, Stop its fake alert by activating the fake program with the debugged code, 64C665BE-4DE7-423B-A6B6-BC0172B25DF2;
Step2, Run a full scan with your anti-virus program; If your anti-virus program can't detect the Security Shield virus, I suggest you download Anvi Smart Defender to kill it;
Step3, Restart your computer to completely remove Security Shield virus.
Good luck.