Virus and It's type

Question

Virus and It's type

Aryan Kumar · Answer

A virus is a type of malware that can replicate itself and spread from one computer to another. Viruses can damage files, steal data, or even take control of a computer.

There are many different types of viruses, but some of the most common include:

File infectors: These viruses attach themselves to executable files, such as .exe and .com files. When the infected file is executed, the virus is also executed.
Boot sector viruses: These viruses infect the boot sector of a hard drive. When the computer boots up, the virus is executed and can then infect other files on the computer.
Macro viruses: These viruses are written in a macro language, such as Visual Basic for Applications (VBA). They can infect documents, spreadsheets, and other files that contain macros.
Script viruses: These viruses are written in a scripting language, such as JavaScript or VBScript. They can be executed when a user opens a malicious email attachment or visits a malicious website.
Polymorphic viruses: These viruses change their code each time they infect a new computer. This makes it difficult for antivirus software to detect and remove them.
Stealth viruses: These viruses hide themselves from antivirus software. They can do this by encrypting their code or by modifying the operating system.
Armored viruses: These viruses are protected by another type of malware, such as a Trojan horse. This makes it difficult for antivirus software to detect and remove them.

Viruses can be spread in a variety of ways, including:

Email attachments: Viruses can be attached to email messages. When the user opens the attachment, the virus is executed.
File sharing: Viruses can be spread through file sharing networks, such as BitTorrent and eMule. When a user downloads a file from a file sharing network, the virus may be included in the file.
Internet downloads: Viruses can be downloaded from malicious websites. When a user clicks on a link on a malicious website, the virus may be downloaded to the user's computer.
USB drives: Viruses can be spread through USB drives. When a user inserts a USB drive into their computer, the virus may be executed.

To protect yourself from viruses, it is important to:

Keep your software up to date: Software updates often include security patches that can help to protect your computer from viruses.
Use a firewall: A firewall can help to block malicious traffic from reaching your computer.
Use antivirus software: Antivirus software can scan your computer for viruses and remove them if they are found.
Be careful what you open: Do not open email attachments from unknown senders or download files from malicious websites.
Back up your data regularly: If your computer is infected with a virus, you may lose data. By backing up your data regularly, you can restore it if your computer is infected.

By following these tips, you can help to protect yourself from viruses.

Prakash nidhi Verma · Answer

Virus are self-replicating program created by developers and they are designed for infect other programs. They can destroy files causing system crashes and program malware functions. they go to target machine a virus dropper usually trojan horse inserts the virus into the system.

various type of Virus:

1. File Virus

2. Boot sector Virus

3. Macro Virus

4. Source code Virus

5. Polymorphic Virus

6. Encrypted Virus

7. Stealth Virus

8. Multipartite Virus

9. Armored Virus

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Virus and It's type

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