Computer Virus and Antivirus

Computer Virus

It is a type of the computer programs that, when executed, replicates itself by modifying other computer programs and inserting it own code. When this replication succeeds, the affected areas are than said to be infected with the computer virus.

It is a malicious programs that self-replicates by coping itself to a different programs. In other words, the computer virus spreads by itself into other documents or executable code. The aim of creating a computer virus is to infect gain admin, vulnerable systems and steal user sensitive data. The hackers design computer virus with take advantage of online users and malicious intent by tricking them.

The term computer virus was first formally defined by Fred Cohen in 1983. This virus never occur naturally. These are always induced by people. Once created, however, their diffusion is not directly under a creator control.

The terms "malware" and "virus" are often used interchangeably, but they are not a same thing. While it is a type lf malware (Mal-icious Soft-ware), not all malware are computer viruses.

Not each piece of software that attacks your computer or laptop is a virus. Computer viruses are just one kind of malware.
There are some of the other, most common kinds.

• Trojans
• Spyware
• Worms
• Adware

A computer virus works in the same ways:

• It requires user action to transmit from one system to another system.
• It attaches bits of its own malicious code to replaces files outright with copies of itself.

Types of Computer Virus

• Boot Sector Virus
• Multipartite Virus
• Direct Action Virus
• Resident Virus
• Polymorphic Virus
• Overwrite Virus
• Space filler Virus

Symptoms of Computer Virus

• Frequent crashes
• Unusually slow performance
• Unfamiliar or unknown programs that start up when you turn on your computer or laptop.
• Changes to your password or homepage
• Mas emails being sent from your email account.

Antivirus

The best antivirus software secure your personal data in a computer. When you installing antivirus to protect your computer means your family will never compromise data and security. It protect your computer from online threats by selecting the proper software for your needs.

• Norton Antivirus Plus
• ESET NOD32 Antivirus
• Quick healer Antivirus
• Bitdefender Antivirus Plus
• Kaspersky Antivirus
• Trend Micro Antivirus + Security
• F-secure Antivirus Safe