ClamWin is an open source antivirus for Windows that can not scan files in real time, unfortunately. With Winpooch, just associate ClamWin and it will be possible to detect virus in a program before it runs.
Origins
Winpooch is a Windows watchdog, free and open source. Anti spyware and anti trojan, it gives a full protection against local or external attacks by scanning the activity of programs in real time. Associated with ClamWin antivirus, Winpooch keeps safe your computer against virus