揪出伪装系统木马并清除的妙招

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  黑客入侵电脑后要做的事就是上传木马后门,为了能够让上传的木马不被发现,他们会想尽种种方法对其进行伪装。而作为被害者,我们又该如何识破伪装,将系统中的木马揪出来并统统清除掉呢!用杀毒软件,no,no,no,还是利用手工检查及清除病毒.

  曾经陪伴我们多年的杀毒软件,面对日新月异的病毒和木马,它们显得很“单薄”,是乎很难再将其驱除出境,有的甚至连病毒及木马的存在都无法发现,更别提如何进行清除。因此有时利用手工检查及清除病毒,还是有必要的,本文以伪装成系统的Wmiprvse.exe进程木马为例,来对其木马的清除做以循序渐进的讲解。

  首先,按住键盘上的“Ctrl+Alt+Del”键,将“任务管理器”打开,并且切入至“进程”标签。不过今日与以往不同的是,从“进程”标签里,却突然发现多出一个Wmiprvse.exe进程。于是利用百度搜索了一下Wmiprvse.exe进程的相关资料,给出的答案是wmiprvse.exe是微软Windows操作系统的一部分。用于通过WinMgmt.exe程序处理WMI操作,这个程序对你系统的正常运行是非常重要的。

  看到这里可能觉得这是一个正常安全的程序进程,于是也就没当回事,又开始了自己的网游“生涯”,但是好景不长没过多久,电脑开始自动重新启动,而且之后又断断续续的重启了几回。在没有任何可怀疑的对象时,可以选择利用系统的搜索功能。查找一下这个突然出现的Wmiprvse.exe程序文件,结果却出现了两个同样的Wmiprvse.exe 文件并存的现象。

  仔细观察一下,发现两个程序文件大小相同,不过有个Wmiprvse.exe文件在Windows2 目录下,接着进一步看了两个文件夹的创建时间,Windows2确实是在自己重装系统时间内,所以两个都是系统目录,只是前一个在最后一次没有删除干净。再打开“任务管理器”对话框,发现系统里存在两个Wmiprvse.exe进程,分别由不同权限的用户运行。位于\System32\wbem文件下的文件才是正常的文件,换句话说没有直接删除的Windows\System32\wbem下的Wmiprvse.exe文件是病毒文件。接着在“任务管理器”对话框内,将其进程停止后,又进入到了该进程文件夹内,将其病毒文件删除。本以为病毒就这样被消灭了,还没等重新启动,也就过了十分钟左右,这个病毒进程又出现在了任务管理器上。

  抱着宁可错杀一个,绝不放过一个病毒文件的心理,再次停止该木马进程,将Windows2目录里的文件全部删除后,又在注册表器里,搜索将相关键值进行删除,接着重新启动了一下计算机,然后打开“任务管理器”对话框,发现Wmiprvse.exe进程已经不见了,并且系统总自动重新启机的现象也以消失了,这样一来真假“美猴王”就见了分晓。如果你一样碰到了伪装Wmiprvse.exe程序的木马,不如按照本文的思路将病毒清除,何必又采用费时费力的重装方案。

  系统中“木马”是一件很头疼的事情,上面小编就先介绍这些木马程序的隐藏伎俩、自动加载方法, 及其针对这些伎俩的应对办法,希望对大家有所帮助.

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