What is Malware and its types : and how malware works?

what is malware?

Malware is a malicious software, it comprises of a number of harmful software that are threats to all computer users. malware is created for attack on privacy, spying destruction and financial benefits.

Most common types of Viruses are:

• Computer viruses
• Worms 
• Spyware
• Adware

Computer viruses:  A computer virus is a type of malware that spreads by inserting a copy of itself into another program or file through many sources.

Source:

• most of the viruses are attached to executable files.

• viruses also spread when infected files are transferred from one computer to another through network,USB, flash drive ,Cd/DVDs or infected email attached.

• Some viruses are not harmful they are simply annoying while others can seriously damage the hardware,software.

• viruses can slow down the computer and some can even stop it operation.

 

Worms: a worm is a malware that transmits itself over a network to infect others computers.

Worms can be harmful like a virus.

It spreads automatically in computer networks and replicates itself. it can easily travel from one computer to one another without human action ,it enters a computer through a weakness in the operating system of the computer.

Spy ware:spyware programs are developed to spy on computer users by gathering information about their activities on the computer.

spy wear is developed for the personal benefits of the creator.

it performs secret operations such as sealing password or banking Pin codes and other personal information about the computer user.

it infects computers through installation of software from Internet.

it can easily slows  down the performance of infected computer.

Adware: Adware is a malware that attaches itself to free software on the Internet and in facts computer when such software downloaded.

it pops up advertisement during execution of infected programs.

How to protect your self ?

•  Update your Antivirus software's on daily bases.
• Create Passwords that includes symbols ( !,2@#$%^&*) .for example Itlapi.1.@.#67
•   Install Anti Malware and Anti spyware software's that can detect and remove malware and worms easily.
• Don't give your Computer or Laptop to any stranger man .