【题目】 A computer virus is a program or piec e o f cod e that is loade d onto your commputer without yo ur knowledg e an d runs against your wishes. A ll computer viruses ar e manm a d e. Her e ar e so m e virus prevention tips.Do not open any files attache d to an...
根据文中第三段第五到第七句"Computer users have to pay the hackers some money to unlock those files…have taken millions of dollars from people"电脑用户需要给黑客钱才能解锁这些文件,解锁文件的价格从300美元到600美元不等,据说黑客们就此谋取了百万美金,因此可以推断黑客们用这个勒索病毒来谋取钱财。因此...
There are many different types of computer viruses and all of them can be devastating. As they spread, they can steal personal information, cripple computer performance, and wreak all kinds of other havoc. Read on to learn what a computer virus is. Then learn how to protect yourself against...
File Infector Virus A file infector virus spreads by infecting the file system in the operating system (for example, COM, EXE, DOC, and SYS). It is embedded in the source files of a computer. The virus spreads as soon as such a file is operated. Macro virus is a typical type of fil...
Brain virus.The virus initially appeared in 1986 and is considered the first Microsoft DOS (MS-DOS) PC virus. BA boot sector virus, Brain spread through infected floppy disks. Once it infected a new PC, the virus would install itself to the system's memory and subsequently infect any new ...
【题目】A computer virus (病毒) is a computer program that can copy itself and infect acomputer without permission of the user and run agsinst his/her wishes. All computerviruses are man-made. Here are some virus prevention tipaDo not open any files attached to(附属于) an email from an...
文章第一段为主题段,其中主题句为第一段最后一句Here are some virus prevention tips,可知答案。 2.细节理解题。根据第一段第二句All computer viruses are manmade可知,电脑病毒是人工编写的。 3.细节理解题。根据倒数第三段最后一句话…download the file to a floppy(软盘)and test it with your own anti...
Boot sector virus A boot sector virus attempts to harm the drive’s boot sector, which is the section responsible for directing the operating system so that it can connect to the interface. This makes the boot sector unusable, making the entire computer or device unusable as well. Boot sector...
A computer virus is a type of malicious software that attaches itself to other programs, self-replicates, and spreads to other computers. So, what’s the difference between a virus and malware (malicious software)? Virus is often a catch-all term used to refer to any kind of software creat...
If the virus’s replication is successful, the affected device is considered “infected” with a computer virus. The malicious activity carried out by the virus’s code can damage the local file system, steal data, interrupt services, download additional malware, or any other actions the malware...