A Trojan is a virus that requires the user to execute it, and it usually "disguises" itself as a legitimate program in order to accomplish this.

木马则是需要用户执行它们的病毒，因此它们需要把自己装扮成合法的程序以达到目的。

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Is this gift a Trojan horse?

这个礼物该不会是特洛伊木马吧？

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If this is a worm or Trojan horse the length represents the size of the file.

如果这是一个蠕虫或特洛依木马则长度表示为该文件的长度。

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It immediately started downloading an .apk and my mobile antivirus popped up, saying: THIS IS A TROJAN.

FORBES: Mobile Antivirus: Don't Think About It, Just Be Sure It's There

"This is a Trojan horse, " says Day.

FORBES: Magazine Article

Dig deeper, though, and you'll find that this initiative is a Trojan Horse for decriminalizing hard, highly addictive substances.

FORBES: PERNICIOUS PROPOSITION