There is no any major difference. But still this will help you to understand about Malware, Spyware, Adware And Trojan.
*Virus is a program to cause damage to computer.
*Trojan is a program which is used to gain access to a computer by installing a program on infected PC to open some backdoor. [Trojans are also known as Backdoors].
*Worm is a program which infects the computers which are connected by some network. Worms slow down the network.
* Spywares are the program which are used to monitor/Log the activity performed on a computer. These are used to spy on some one either for legal or illegal perpose. Example: Keylogger applications.
* Adwares are the programs which delivers ads to your computer (generally in POP-UP's form). They consume your network.
*Malwares are the program with malicious intention. It can be damaging your computer, spying on you or any other malicious task.
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A Trojan virus is a piece of malicious
computer software, which enters into the victim computer without the consent of the computer administrator. It is cited as the most common type of malwares, which is known to infect maximum number of computer systems worldwide. This should not be a point of surprise, because almost every computer connected to Internet is affected by one or the other form of malicious software. The main difference between Trojan virus and other computer viruses is that the former are capable to destroy your computer system to the same extent which the latter can do.
Trojan virus makes use of several practices and methods to get into a PC without the consent of the computer user. Some websites offer free software applications and utilities to make your PC much faster and a good performer. The Trojan virus pretends to be similar to the free software utility, which might damage your computer system or they may look like a folder or an important link, which demands a user click for executing. Once a Trojan virus receives a click from the user, it starts its action there. It opens the door for other harmful and dangerous malicious codes such as worms, adwares, and spywares.
It is strongly recommended that you should carry out a research before downloading any freeware from Internet.
If you are looking for a free
Trojan virus remover tool then you can find here a list of some of the best Trojan remover tools:
1. Trojan Remover
2. A-Squared Anti-Malware
3. MalwareBytes
4. XoftSpySE
There are several free version of Trojan virus removal tool available on Internet. You can try one which you find to be authentic. You don’t need to search for the type of Trojan virus installed on your computer or the registry affected by the Trojan virus. Just download the latest version of Trojan Remover software and scan your PC for the presence of any virus infection.