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System Tool 2011

System Tool 2011 is a rogue security product that pretends to find malicious code on a victim’s machine in order to frighten him or her into purchasing a useless application. It’s a clone of the 2008 Security Tool rogue.


System Tool 2011 warning screen

System Tool 2011 graphic interface

System Tool 2011 payment screen.

Known system changes:

Like the old System Security rogue of 2008, this one also includes desktop hijacking. Once an infected computer is rebooted, the victim will no longer be able to run any applications. However, by switching to safe mode the rogue can be deleted.

System Tool 2011 is fully polymorphic and is bundled by third party malware groups.

It creates a randomly named folder in %COMMON_APPDATA%


If your computer is infected with this malware, you should remove it soon, visit Virus Removing to learn how to remove it.