最近电脑不幸染上Backdoor.Prorat，每次进入windows2k后,Symantec就弹出一个窗口显示：
Scan type: Realtime Protection Scan
Event: Virus Found!
Virus name: Backdoor.Prorat
File: C:WINNTservices.exe
Location: C:WINNT
Computer: W
User: w
Action taken: Clean failed : Quarantine failed : Access denied
Date found: April 22, 2004 9:48:44 AM
运行速度明显变慢。各位有何高招？多谢！