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How many types of computer virus are there in Symantec?

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How many types of computer virus are there in Symantec?

Explanation: There are a total of 10 types of virus. These are categorized based on their working and characteristics. These are System or Boot Sector Virus, Direct Action Virus, Resident Virus, Multipartite Virus, Polymorphic Virus, Overwrite Virus, Space-filler Virus, File infectors, Macro Virus, Rootkit virus.

What are the types of computer viruses?

The main types of computer virus are as follows:

  • Boot Sector Virus.
  • Direct Action Virus.
  • Multipartite Virus.
  • Polymorphic Virus.
  • Resident Virus.
  • File Infector Virus.

What are 7 types of computer virus?

7 Common Types of Malware

  • Trojans. A Trojan (or Trojan Horse) disguises itself as legitimate software with the purpose of tricking you into executing malicious software on your computer.
  • Spyware.
  • Adware.
  • Rootkits.
  • Ransomware.
  • Worms.
  • Keyloggers.

What is a computer worm Mcq?

What is a computer worm? It is software designed to exploit networks. It is a software utilized to scan packets on open networks. It is malware designed to infect other computers.

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Which of the following can a virus do Mcq?

Solution(By Examveda Team) Some computer viruses are programmed to harm your computer by damaging programs, deleting files, or reformatting the hard drive.

What are the 10 types of computer viruses?

Could A Computer Become Infected With A Virus By Means Of An Email?

  • Boot Sector Virus. Topping our list is the boot sector virus.
  • Overwrite Virus.
  • Direct Action Virus.
  • Web Scripting Virus.
  • Polymorphic Virus.
  • Directory Virus.
  • Macro Virus.
  • Memory Resident Virus.

What are the top 5 computer viruses?

The Top 10 Worst Computer Viruses in History

  • Klez – $19.8 billion.
  • ILOVEYOU – $15 billion.
  • WannaCry – $4 billion.
  • Zeus – $3 billion.
  • Code Red – $2.4 billion.
  • Slammer – $1.2 billion.
  • CryptoLocker – $665 million.
  • Sasser – $500 million.

What is the difference between virus and worm Mcq?

The primary difference between a virus and a worm is that viruses must be triggered by the activation of their host; whereas worms are stand-alone malicious programs that can self-replicate and propagate independently as soon as they have breached the system.

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What are six types of computer viruses?

Common Types of Computer Viruses

  • Multipartite Virus. This virus infects the entire system – multipartite viruses spread by performing unauthorized actions on your operating system, folders, and programs.
  • Direct Action.
  • Browser Hijacker.
  • Overwrite Virus.
  • Web Scripting Virus.
  • File Infector.
  • Network Virus.
  • Boot Sector Virus.

What are the three types of computer viruses?

The three types of computer viruses

  • Macro viruses – The largest of the three virus types, macro viruses use built-in programming scripts that are found in Excel or Word to automate tasks.
  • Boot record infectors – Boot viruses, or system viruses, attack programs found on floppy and hard disks.

What are the 5 types of computer viruses?

What is a computer virus? 1 1. Boot sector virus. This type of virus can take control when you start — or boot — your computer. One way it can spread is by plugging an infected 2 2. Web scripting virus. 3 3. Browser hijacker. 4 4. Resident virus. 5 5. Direct action virus.

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How many viruses does Symantec have?

At day’s end on April 12, for example, Symantec published the summary shown below, noting that its latest Virus Definitions file contained 17,702,868 separate signatures. Oh my. 17.7 million? That certainly sounds like a very big number. But before you get swept away, it’s worth taking a closer look at what it really represents.

What is a computer virus and how does it work?

A computer virus is a type of malware that, when executed, replicates itself by modifying other computer programs and inserting its own code. When this replication succeeds, the affected areas are then said to be “infected” with a computer virus. Virus writers use social engineering deceptions and exploit detailed…

Can a virus infect other computers on the same network?

However, once the virus infects your computer, the virus can infect other computers on the same network. Stealing passwords or data, logging keystrokes, corrupting files, spamming your email contacts, and even taking over your machine are just some of the devastating and irritating things a virus can do.