- User should install an Antivirus program and update it frequently.
- An Antivirus program protects a computer against viruses by identifying and removing any computer viruses found in the computer memory, on storage media or incoming e-mail files
Identifying virus: Two techniques are use to identify the virus:
- Virus signature – also called a virus definition. It is a specific pattern of the virus code.
- Inoculating a program file – the Antivirus program records information such as the file size and file creation date in a separate inculcation file. The Antivirus program then uses this information to detect if a virus tampers with the data describing the inoculated program file.
- If an Antivirus program identifies an infected file, it attempts to remove its virus, worm or Trojan horse.
- If the Antivirus program cannot remove the infection, it often quarantines the infected file. Quarantine is a separate area of a hard disk that holds the infected file until the infection can be removed. This step ensures other files will not become infected.
- An Antivirus program scans for programs that attempt to modify the boot program, the operating system and other programs that normally are read from but not modified.
- Many Antivirus program automatically scan files downloaded from the web, e-mail attachments and all types of removable media inserted into the computer.
Kavungya answered the question on May 10, 2019 at 13:37
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