病毒扫描软件需要一个名单病毒签名，以便能够确定病毒的攻击。

A virus scanner requires a list of virus signatures in order to be able to identify viruses.

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然后：如果你有像诺顿和MacAfee这样的杀毒软件，那就立即来个全面的扫描病毒吧。

Then: If you have antivirus software, such as Norton's or MacAfee's, run a scan immediately.

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如果你冒险尝试Joe的程序，要确保升级你的病毒软件并扫描程序。

If you are tempted to try out Joe's program, be sure to update your virus scan, then scan the program.

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