XP Professional?
如果是醬紫~~~~~~~~
打開control panel->folder options->View->在Advanced Settings裏關掉"Use simple file sharing (Recommended)->OK
打到那個病毒文件->對它點右鍵->Properties(屬性)->Security->如果沒見到"Everyone",就點Add...把它加上->點"Everyone"->把Permissions for Everyone下麵的Full control選上Deny->確定再確定->重啟->再找到那個文件->把Full control 改成Allow->確定->刪除->搞定