The only solution to save your data is to take timely backups and take the usual steps to Prevent Ransomware from getting onto your computer.
Server 2003 is going End of Support, what does this mean to you?
• On July 14th 2015 Windows Server 2003 will no longer be supported by Microsoft. This will include Security Updates and Patches as well.
• Visa and MasterCard may no longer do business with companies using Windows Server 2003 once it goes end of extended support as they won’t be compliant.
If you run a Windows Server 2003 or Small Business Server 2003 now is the time to take action, The average time from business planning to completion from 2003 to an up to date O/S takes 100 days.