Infected Jar file, it's dropping file on your desktop and the plugin try to open it.

Best engagement ever! xBounty totally revolutionized the way I reward my users. Having the possibility to set up custom bounties is really a game changer. Easy to use and filled with features to customize for every use case. If you're in need of increasing user engagement, this plugin is a necessity.

Best bounty plugin ever I used it and I liked it too much thanks for author to create this plugin