Security Guard 2012 is a typical malware that firstly pretends to scan the system for viruses and then reports tons of them detected. You will be attacked by its continuous scanners and alerts every time your machine is rebooted because this virus always interrupts some keys the infected PCs registry and makes other changes as well. All this activity is done for the only reason which is to start working on misleading PC users and ripping them off.
As you can see, Security Guard 2012 starts making you think that you must purchase its license once it gets on the system. However, you can easily live without this cyber threat. If ignored, it will start displaying continuous system scanners and alerts about fake viruses detected and then will also redirect you to its malicious domains. Keep in mind that you should never end with purchasing the license of Security Guard 2012. You must eliminate this threat once it starts appearing, so use Security Guard 2012 removal guide and fix your PC.