How antivirus work?

What is Antivirus?

Today is big issue of security for devices As all of you familiar with VIRUS( Vital Information Resources Under Seize) It is a danger things of devices or internet. how they works? Basically virus enter in your pc with the help of file means if you download any file if this file is not trusted means its containing virus then this virus automatically self attached with many system files and show many notification and after system will slow. after infected your system then your system taking more time to perform any task after some time if virus is powerful then your all system will crash. 

Antivirus:
if virus comes in your mind suddenly comes antivirus in your mind but they how work? actually antivirus containing list of virus means its store the virus program structure if any files automatically self attached with different files then antivirus start to showing this is virus means basically antivirus seeing which file execute from where if any files are attached from that file and files are listed in antivirus library that means these files are virus.
If we basically understand in simple the antivirus is the list of virus when we install then these antivirus start to matching virus list if any files matched with virus list that means that are virus and also antivirus try to repair that files its not success then its showing virus.


if you using crack version of any software these software are crack with malicious code this malicious code bypass the activation key it means malicious program is inside that application so Antivirus showing it is virus.

But Today many Botnet are silently available on internet Mostly antivirus fail to identify. So its creating many problem some time botnet automatically install in our device and working as a keylogger so high chance to theft my high priority credentials. So we always try to secure on internet.