Security Tool, have another name – SecurityTool, is a rogue antivirus application from the SystemSecurity family . SecurityTool promoted through trojans and fake online scanners. When this rogue is promoted via a trojans it will be installed onto your computer without your permission. When SystemSecurity promoted via online scanners that prompt you to download and install SecurityTool onto your computer.
Block Protector (BlockProtector), – a rogue antivirus (clone of BlockKeeper, BlockScanner, BlockWatcher and SoftVeteran). BlockProtector installs by taking advantage of poorly guarded systems that appear to have vulnerable backdoors. A quite widespread alternative method of Block Protector intrusion is online scanners that confuse users by popping up unexpectedly and reporting numerous spyware infections thus trying to have the user download its unregistered copy.