Zeus or sometimes known as Zbot is a malware package that was originally sold and traded through underground forums.Basically it is a executable file with a web based front-end that helps you to control it.Zbot is a generic back door that allows full control by a remote user, the primary function of Zbot is financial gain, and stealing credentials such as FTP, email, online banking, and other online passwords.Zeus has existed at least since 2007, but has been further enhanced and honed over time. It has been rumoured that Zeus originated in Russia or Russian speaking countries as initial help files and other files in the package were written in Russian.