What are the 10 types of computer viruses?

What are the 10 types of computer viruses?

Types of Computer Viruses

  • Macro Virus. This type of computer virus is normally found in Microsoft Office programs.
  • Boot Sector Virus.
  • Trojan Horses.
  • Overwrite Virus.
  • Browser Hijacker.
  • Web Scripting Virus.
  • Polymorphic Virus.
  • Resident Virus.

What was the deadliest computer virus?

the Mydoom virus
The worst computer virus in the world is the Mydoom virus that induced around $38 billion in damage in 2004. Adjusted for inflation, its cost is estimated at around $52.2 billion. Another name for this virus is Novarg. It spread by mass emailing.

Is the ILOVEYOU virus still around?

James Moore, senior consultant of MWR InfoSecurity: “It’s been 20 years since phishing first originated, and 15 years since the ILOVEYOU bug wormed its way into mailboxes on May 4, yet still criminals use these methods to gain access to organisations. Why? Because, remarkably, they still work.

What are the 20 computer viruses?

20 Common Types of Viruses Affecting Your Computer

  • Resident Virus. Resident viruses live in your RAM memory.
  • Multipartite Virus. This type of virus can easily spread in your computer system.
  • Direct Action Virus.
  • Browser Hijacker.
  • Overwrite Virus.
  • Web Scripting Virus.
  • Boot Sector Virus.
  • Macro Virus.

Is Trojan a virus?

A Trojan Horse Virus is a type of malware that downloads onto a computer disguised as a legitimate program. The delivery method typically sees an attacker use social engineering to hide malicious code within legitimate software to try and gain users’ system access with their software.

What is Melissa worm?

Melissa is a Microsoft Word macro virus (or worm) that is transmitted via email attachments. The subject line of the suspect message reads: Important Message From Username. ( Username will be replaced with the name of the person whose computer is sending the messages.)