But, this method does not apply to Trojan virus certainly.

但是，此方法不一定适用于木马病毒。

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Trojan virus is to show those are concealed the baleful program of useful program.

木马病毒是指那些被掩饰成有用程序的恶意程序。

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Secondly, can be screened by antivirus software, antivirus software open after choose security, virus killing, to detect APP, make sure to install APP not carrying Trojan virus.

其次，可以借助杀毒软件来进行甄别，打开杀毒软件后选择安全防护—病毒查杀，对APP进行检测，确保要安装的APP没有携带病毒木马。

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Instead of being a targeted cyberwarfare attack, this malware is simply a run-of-the-mill trojan virus that travels by "sneakernet, " the tongue-in-cheek name for the transmission of viruses across unconnected computers by hand (or foot) in the days before widespread Internet connectivity.

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Last week, a Russian security company reported that as many as 600, 000 Macs, most of them in the United States and Canada, had been infected by Flashback, a Trojan horse virus that infiltrates computers, secretly giving someone else remote access to them.

CNN: Apple: Update will fix Mac 'Flashback' virus

F-Secure also offers protection against the Palm OS Phage.963 virus and the Palm Liberty Trojan, both of which have come to the public's attention.

CNN: Company scans for viruses targeting PDAs, WAP devices