From what I gather by research via Google it sounds like a “sniffer” which uses your flash player.
Flash Player is easily exploited by either tracking cookies or sniffers. Personally I stay away from
game and/or gaming/gambling websites due to the inherent dangers. If you do a web search using
the term “iesnare” you will find a wealth of information. Gambling is for the most part legal. That said
keep in mind privacy does not exist on the internet but by using intelligent surfing
practices security does exist.

Here’s some reading http://bp-information.blogspot.com/2014/10/fear-and-loathing-mpsnareiesnarecom.html