电脑初学者计算机病毒定义解析
电脑初学者计算机病毒定义解析
计算机病毒（Computer Virus ）是指编制或许在计算机程序中刺进的损坏计算机功用或数据，影响计算机运用，并且能够自我仿制的一组计算机指令或许程序代码。自80年代莫里斯编制的第—个“蠕虫”病毒程序至今，世界上呈现了许多不相同类型的病毒，给数以千计的计算机用户形成不可估量的丢失。因而，对每位计算机用户来说，知道一点计算机病毒方面的常识，把握一些防护计算机病毒的办法，是十分必要的。
Computer virus ( Computer Virus ) refers to the preparation or in a computer program pierce the damaged computer function or data, effects of computer use, and can a group of computer instructions self imitation may code. Since the first " worm " virus program compiled 80's Maurice, the world has many different types of viruses, to thousands of computer users form an immeasurable loss. Therefore, on every computer user, know a little of computer virus knowledge, grasp some protection of computer virus, it is necessary to.
1. 计算机病毒的类型及特色
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The types and characteristics of the 1 computer virus
1.1计算机病毒的类型
1.1 types of computer virus
计算机病毒的类型繁复，在近几年内，主要有以下几种病毒：
Types of computer virus is complicated, in recent years, mainly have the following several kinds of virus:
1.1.1“秀丽杀手”（Melissa ）病毒。这种病毒是专门对于微软电子邮件服务器MS Exchange 和电子邮件收发软件Out1ookExpress 的Word 宏病毒，是一种拒绝服务的进犯型病毒，能够影响计算机运转微软Word97、Word2000和Outlook 。这种病毒是—种Word 文档附件，由E-mail 带着传达分散，能够自我仿制，一旦用户翻开这个附件，就会运用Outlook 按收件人的Outlook 地址簿向前50名收件人自动仿制发送，然后过载E-mail 服务器或使之损坏。
1.1.1 " beautiful killer " ( Melissa ) virus. This virus is specially for the Word macro virus in Microsoft MS Exchange email server and email software, Out1ookExpress, is a denial of service
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attack type virus, can affect the computer running Microsoft Word97, Word2000 and Outlook. The virus is an Word document by E-mail annex, with communication dispersion, self imitation, once the user to open the attachment, will use Outlook as the recipient's Outlook address book to 50 recipients send automatic imitation, then overload E-mail server or to damage.
1.1.2尼姆亚变种W （Worm.Nimayaw ）。该病毒经过感染文件传达，可形成用户文件损坏，无法运转。因为被该病毒感染的文件，图标会变为一只举着三炷香的熊猫，因而该病毒又被称作“熊猫烧香”。它是一个能在WIN9X ／NT ／2000／XP ／2003体系上运转的蠕虫病毒。该病毒可经过局域网进行传达，进而感染局域网内一切计算机体系，结尾致使整个局域网瘫痪。
1.1.2 nimaya variant W (Worm.Nimayaw ). The virus after infection documents convey, can form the user file is damaged, can not run. Because the virus infected files, icon will turn to a holding three. Panda, the virus is also known as " panda burning incense ". It is an operation in the WIN9X / NT /
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2000 / XP / 2003 system of the worm. The virus can pass the LAN communication, and infected LAN computer system at the end of everything, cause the whole LAN paralysis.
1.1.3情人节（vbs.Valentin ）病毒。该病毒是一个会写情书的病毒。它会将本身用脚本加密引擎加密后刺进到HTML 文件中。病毒运转时会发生—个名为Main.htm 的病毒文件，并拷贝到体系目录中，并查找Outlook 的地址薄中的一切邮件地址，向这些地址发送病毒邮件。病毒会在每月的14号发生，发生时会以一封西班牙情书的内容掩盖掉硬盘中的一切文件，并将掩盖过的文件扩展名悉数改为txt ，运用户的体系彻底溃散。
1.1.3 Valentine's Day ( vbs.Valentin ) virus. The virus is a virus will write a love letter. It will itself by script encryption engine encrypted lunge to the HTML file. Virus running occurs when a virus called Main.htm files, and copy to the system directory, and find the Outlook address book to all the email address, the address to send mail virus. The virus in the monthly 14, occurs in a Spanish love letter content covered all the documents in
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the hard disk, expanding and will cover all of the file name changed to TXT, completely dispersed users system.
1.1.4桑河情人（VBS.San ）病毒。该病毒是—个会删去了你的文件还要祝你情人节高兴的病毒。病毒运转时会发生—个Loveday14-a.hta 的文件，该文件是编译过的病毒格局，能够被体系自动履行。病毒会将这个情人节的文件放入体系的发动目录，每次开机后病毒会自动运转。该病毒在每月的8、14、23、29号发生，发生时会将C 盘的一切根目录都保存，只将这些根目录中的一切文件及子目录都删去，并且还会树立一个名为：“happysan-valentin ”情人节高兴目录。
1.1.4 San Valentine (VBS.San ) virus. The virus is a will delete your files also happy Valentine's virus. Virus operation will file a Loveday14-a.hta, the file is compiled virus pattern, can be automatically perform system. The virus will this Valentine's files in the system 's launch directory, each boot virus automatically. The virus in 8 month, 14, 23, 29, occurred when will c all root directory are kept, only will all the documents and the root directory
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are deleted, and will establish a name: " happysan-valentin " Happy Valentines Day directory.
1.1.5CIH 病毒。据悉，CIH 病毒已给计算机用户形成了巨大丢失。迩来又呈现了CIH 病毒的一种晋级版别CIHvl-2病毒，CIHvl-2病毒被守时在4月26日对被感染计算机的BIOS 芯片和硬盘驱动器建议进犯，形成体系溃散，乃至损坏硬件。CIH 病毒基本上是经过互联网络或盗版软件来感染windows 95或98的exe 文件的，在履行被感染文件后，CIH 病毒就会随之感染与被履行文件接触到的其它程序。
1.1.5CIH virus. It is reported, the CIH virus has caused huge loss to the computer user. Recently, and presents a promotion version of CIHvl-2 virus CIH virus, CIHvl-2 virus was punctual in April 26th on the infected computer chip BIOS and hard drive that attack, formed the system collapse, and even damage the hardware. CIH virus basically is through the Internet or pirated software to infect Windows 95 or 98 EXE file, in the performance of the infected file, CIH virus can then infect other programs files exposed to and be fulfilled.
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1.2计算机病毒的特色
1.2 computer virus characteristics
1.2.1计算机病毒的可履行性。计算机病毒与其它合法程序相同，是一段可履行程序，但它不是一个完好的程序，而是寄生在其它可履行程序上，因而它享有—切程序所能得到的权利。
1.2.1 computer virus can be implemented. Computer viruses in the same and other legal procedures, is an executable program, but it is not a complete program, but parasitic in other executable program, so it enjoys all the program can get right.
1.2.2计算机病毒的感染性。感染性是病毒的基本特征，计算机病毒会经过各种渠道从已被感染的计算机分散到未被感染的计算机。病毒程序代码一旦进入计算机并得以履行，它就会搜索其它契合其感染条件的程序或存储介质，断定方针后再将本身代码刺进其间，到达自我繁衍的意图。
The infection of 1.2.2 virus. Infection is a basic characteristic of virus, the computer virus will spread from the infected computer to uninfected
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computers through various channels. Virus code once into the computer and be implemented, it will search for other fit the infection condition procedures or storage media, concluded that the policy will then be put in itself code, to achieve the purpose of self reproduction.
1.2.3计算机病毒的潜伏性。一个编制精巧的计算机病毒程序，进入体系之后通常不会立刻发生，可在几周或许几个月内，乃至几年内隐藏在合法文件中，而对其它体系进行感染，而不被发现。
Latent 1.2.3 virus. A compilation of sophisticated computer virus program, enter the system usually does not happen immediately, in a few weeks or months, or even years hidden in the legal document, and the infection to other system, and can not be found.
1.2.4计算机病毒的可触发性。病毒因某个事情或数值的呈现，能诱使病毒施行感染或进行进犯的特性。
1.2.4 computer viruses can trigger. The virus due to certain things or numerical presentation, can induce virus infection or invasion force.
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1.2.5计算机病毒的损坏性。体系被病毒感染后，病毒通常不当即发生，而是潜藏在体系中，等条件成熟后便发生，给体系带来严重损坏。
1.2.5 damage of computer virus. System of virus infection, the virus is usually not happen, but hidden in the system, will occur after the conditions are ripe, to bring serious damage to the system.
1.2.6进犯的自动性。病毒对体系的进犯是自动的，计算机体系无论采纳多么紧密的保护措施都不能够彻底地扫除病毒的进犯，而保护措施只能是一种防止手法。 Automatic 1.2.6 attack. Invasion of virus on the system is automatic, invade computer system both adopt protective measures how close are not able to completely eliminate the virus, and the protective measures is only a kind of preventing methods.
1.2.7病毒的对于性：计算机病毒是对于特定的计算机和特定的操作体系的。例如，有对于IBM PC机及兼容机的，有对于Apple 公司的Macintosh 的，还有对于UNIX 操作体系的。
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The 1.2.7 virus for : the computer virus is specific to the computer and the specific operating system. For example, for the IBM PC and the compatible machine, for Apple, Macintosh, and for the UNIX operating system.