What is malware? how to detect and remove a malware.

In today’s world computer is a form of daily need product whether it is in the form of a mobile or a laptop. But do you know like humans, computer can also be infected through a virus. So it is not a shocking thing, therefore we should to learn about the reasons why a computer software get faults.

The reason behind this problem is a malware, but what is malware? So first we should talk about malware.

Definition of malware:-

So malware is intrusive software which is designed to harm or destroy a computer system. It is one of the biggest threats on internet. Malware can be of many types, some of them are given below:-

1. Spyware

2. Worms

3. Trojan horses

4. Bots and Botnets

5. Viruses

Definition of all malware types

1. Spyware: - those malware which secretly steals your personal data including username, browsers and browsing habits are called spyware. Once your computer attacked by a spyware then your data will be transferred to cyber criminals. Some spyware installs additional malware which can make changes to your computer settings.

It is a very common threat. They have attractive front end functionality and they complete their work in background.

2. Trojan horses: - apparently, a Trojan is a malicious program masquerading as a legitimate file. They themselves are the entrance; they require a host to function. But what they can do in computer, let’s find out. So following are some functions which a Trojan horse can do: -

· They can use your device as a part of botnet.

· They can work as a spy in your device.

· They can easily modify and delete your data.

· They can gain excess to the network of your computer.

3. Bots and botnets: - a computer infected with a malware which can control remotely by any hacker is called a bot. Another name of bot is “zombie computer”; it can be use for attacks and can become a part of group of bots. It can use millions of device to become a part of a strong cyber crime.

The uses of botnet are given here: -

· Key logging, screenshots and webcam access.

· They can make DDoS attacks.

· Spreading other types of malware.

· They can send spam and phishing messages.

4. Worms: - those malware which are spread by software permeability or phishing attacks are called worms. They can infect the whole system after its installation. Worms can do serious damages to your system. Let’s see what a worm can do: -

· They can inject a malicious software into computer

· Repeat them over and over to exhaust system resources.

· Stealing your data is a very easy task for them

5. Viruses: - those malware which need an already infected operating system for their work are called viruses. They usually spread by infected websites file sharing or email attachments.

How to detect a malware?

We have learned that how a malware comes, but don’t know how to detect a malware. You can detect a malware if you see the unusual activities such as slow speeds, sudden loss of disk space, frequent crashes, increased unwanted internet activity and pop-up ads.

How to remove malware?

Usually antivirus are used to detect and remove malware from the devices. Clean master and cc cleaner are some examples of antivirus software.