Security Shield 2011 is a fake anti-virus tool. It is a new version of Security Shield, System Tool, Security Tool, Total security 2009, System Security rogue.
It displays disturbing fake alert messages and detects inexistent infections to scare users.
To register (and help removal), copy paste this code: 64C665BE-4DE7-423B-A6B6-BC0172B25DF2
Once registered, Security Shield 2011 will download an update and installs: Security Shield Pro 2011: