Practical analysis once the WinRoute Backdoor offensive and defensive live-vulnerability warning-the black bar safety net

The school through the Windows 2 0 0 0 and the winroute proxy way to access the Internet. These two days, the proxy server always appears some strange phenomenon, running the program seems to be very slow, but it will also automatically restart. Could it be a virus? Or in a Trojan. Anyway, go and...