一旦病毒进入计算机，它会锁住所有文件，并要求用户支付解锁费用。
Once the virus gets into the computer, it locks all the papers and asks the user for money to unlock them.
这种方式要求手工把用户ID和口令输入这两个属性文件。
This approach required manually entering user IDs and passwords to these properties files.
其他分享音乐的应用程序不能说没有，但很多都要求用户传送实际文件而非链接。
Other music sharing applications do exist in this space; however, many require that the user have access to the actual file rather than linking to it.
应用推荐