Malcovery Security analysts review malware that is being distributed via spam email messages on a daily basis. Zeus is a financial crimes trojan, stealing userids and passwords and allowing advanced attacks to your bank account. Zeus can be tuned to pay special attention to certain banks by setting a list of URL Substrings in a place on your computer that will compare them to anything being visited by your browser. Zeus might be instructed to send the criminal screenshots every time you click your mouse, or trigger to ask you for your Two Factor Authentication.”]
Source: http://garwarner.blogspot.com/2014/01/zeus-financial-crime-malware-targets.html