Types of Malware

 

Malware exists in many forms, below mentioned are some of the 
common 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 .
HARDWARE KEYLOGGER :

SOFTWARE  KEYLOGGER :

5. 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. 

6. 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 .