Difference between Trojan Horse and Adware

1. Trojan Horse :
Trojan Horse is also a type of malware which uses false and fake name for mislead users from its true intent and executing them. Trojan Horses generally install on the system as legitimate and useful software that can give unauthorized access and control of the system to the hackers. Back orifice, Rootkit and Beast Trojan are some of the common Trojan horse which is more harmful.

2. Adware :
Adware is not exactly malicious but they do breach privacy of the users for malicious purpose. They display ads (a pop up window appear) on computer’s desktop or inside individual programs. They mainly come attached with free to use software, thus main source of revenue for such developers. They basically monitor your interests and display relevant ads. An attacker may embed malicious code inside the software and adware can monitor your system activities and can even compromise your machine.

Difference between Trojan Horse and Adware :

S.No.	TROJAN HORSE	ADWARE
1.	Trojan Horse is a form of malware that capture some important information about a computer system or a computer network.	Adware is similar to a spyware and it can be both intrusive and difficult to eradicate.
2.	The main objective of the trojan horse is to control the activity of the system.	The main objective of adware is to monitor your interests and display relevant ads.
3.	Trojan horses are detected by the antivirus software.	Adware can be detected and removed by the antivirus program.
4.	It also give unauthorized access and control of the system to the hackers.	It provides profit to the developer by generating online advertisement.
5.	It is more harmful as compared.	Adware is less harmful.
6.	Trojan horse are executed through a program and interprets as utility software.	It is unknowingly attached with free to use software, distributed through pop-up windows.
7.	Back orifice, Rootkit and Beast Trojan are some of the common Trojan horses.	Fireball, Appearch, Gator and dollarrevenue are some of the examples of adware.