Definition Of Virus And Antivirus

Antivirus programs function to scan detect and remove viruses from your computer.

Definition of virus and antivirus. While many types of antivirus or anti virus programs exist their primary purpose is to protect computers from viruses and remove any viruses that are found. Retrovirus ret ro vi rus any member of a large family of rna viruses that includes the lentiviruses and certain oncoviruses given this name because they carry reverse transcriptase. A virus is a chain of nucleic acids dna or rna which lives in a host cell uses parts of the cellular machinery to reproduce and releases the replicated nucleic acid chains to infect more cells. Define antivirus antivirus software is a type of program designed and developed to protect computers from malware like viruses computer worms spyware botnets rootkits keyloggers and such.

The antivirus product simply doesn t contain these new virus signatures. Antivirus software or anti virus software abbreviated to av software also known as anti malware is a computer program used to prevent detect and remove malware. A virus is a program script or macro designed to cause damage steal personal information modify data send email display massage or some combination of these actions. Once installed most antivirus software runs automatically in the background to provide real time protection against virus.

Of late the sophisticated computer virus comes with evasion capabilities that help in bypassing antivirus software and other advanced levels of defenses. Software that is created specifically to help detect prevent and remove malware malicious software. Antivirus software is a type of utility used for scanning and removing viruses from your computer. The primary purpose can involve stealing passwords or data logging keystrokes corrupting files and even taking control of the machine.

While malware signature antivirus protection is key for detecting and eradicating known viruses one limitation is its inability to address new viruses. A virus is often housed in a protein coat or protein envelope a protective covering which allows the virus to survive between hosts. Antivirus protection can scan for specific malicious codes identify specific viruses and disable these programs. When a virus is executed it speared out by copying itself into or over dat.

Antivirus software was originally developed to detect and remove computer viruses hence the name however with the proliferation of other kinds of malware antivirus software started to provide protection from other computer.