Malware and its Types

Malware, short for malicious software, consists of programming (code, scripts, active content, and other software) designed to disrupt or deny operation, gather information that leads to loss of privacy or exploitation, gain unauthorized access to system resources, and other abusive behavior. Software is considered to be malware based on the perceived intent of the creator rather than any particular features. Malware includes computer viruses, worms,Trojan horses, spyware, dishonest adware, crimeware, most rootkits, and other malicious and unwanted software or program.

                                                     Types of Malware

1. Trojan Horse

Trojan virus or Trojan horse is one of the most common types of malware, Trojan virus is mostly used to control the victims computer rather than infecting or destroying files on victims computer. A Trojan horse once installed into victims computer can give a hacker complete access to your computer. Trojans are one of the most dangerous forms of malware.

2. Computer Viruses 

A computer virus a malicious program which is mostly developed to infect a computer, once it infects a computer it replicates or reproduces itself. A virus is just like a parasite and it needs another host to attach to in order to infect a computer.

3. Worms 

Worms are almost similar to computer viruses the only difference unlike computer viruses they do not require another host to attach to in order to infect a computer. Once a worm infects a computer it replicates itself. Computer worms are major threats to large networks.

4. Keyloggers

A Keylogger is a hardware or software device which monitors every keystroke, screen shots, chats etc. typed on the computer. A keylogger program does not require physical access to the user's computer. Any person with a basic knowledge of computer can use keylogger.

5. Adware 

Adware is the short form of Advertisement-supported software. Adware’s are commonly designed to display advertisements on your computers. However some of these adwares may contain harmful viruses and spying programs which can bring your computer system to knees.

6. RATS 

RAT is the short of “Remote Administration Tool” and is indeed one of the most dangerous types of malware. It’s very similar to a Trojan. Once a RAT is installed in a computer the attacker can do almost anything on the remote computer such as installing a keylogger, shutting down a computer, infecting files etc.

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