When they detect a new virus, they extract a signature; add it to their software, and every few months send out an updated version.

 
  • 每發(fā)現一個(gè)新的病毒,他們就得提取它的編碼,并將其加入他們的軟件,所以每過(guò)幾個(gè)月就會(huì )發(fā)送出升級的版本。
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