I get a popup message: Please Update Browser

On 2/24/2014 I got a popup message saying Please Update Browser.  According to FireFox browsing history, the related URL is 

 

  

lpcloudsvr302.com
According to Google lpcloudsvr302.com is a nasty piece of work. The problem hit on 2/24/2014.  As for installing software,  Flash was installed on 2/20/2014, Trusteer Endpoint Protection was updated on 2/21/2014.     I am running NIS 2014.

 

 

[Edit: Please do not link to malicious websites per the Participation Guidelines and Terms of Service.]