What is Antivirus? Antivirus or anti-virus software is used to
prevent, detect, and remove malware, including but not limited
to computer viruses, computer worms, trojan horses, spyware and
adware Identification methods: 1.Signature based detection 2.
Heuristic-based detection Signature based detection: it's most
common method to take down virus. This process, antivirus
compares contents of the file to directory of virus signatures.
Every virus program contains different malicious proggram.
Firstly, antivirus collects odd proggram then create virus
signature database. Heuristic-based detection : There are some
renowned antivirus uses this method. Many viruses start as a
single infection and through either mutation or refinements by
other attackers, can grow into dozens of slightly different
strains, called variants. Generic detection refers to the
detection and removal of multiple threats using a single virus
definition. [source:Wikipedia] Rootkit Detection: Rootkit is
malware, antivirus also can scan it. Roo