1. 病毒：
病毒是附加到另一个可执行文件的恶意可执行代码，它可以是无害的，也可以修改或删除数据。当计算机程序运行时带有病毒，它会执行一些操作，例如从计算机系统中删除文件。远程控制不了病毒。
2. 特洛伊木马：
特洛伊木马也是一种恶意软件，它使用假名和假名来误导用户并执行其真实意图。特洛伊木马通常作为合法且有用的软件安装在系统上，这些软件可以让黑客未经授权访问和控制系统。 Back orifice、Rootkit 和 Beast Trojan 是一些常见的木马，危害性更大。
病毒与特洛伊木马的区别：
| S.No. | VIRUS | TROJAN HORSE |
|---|---|---|
| 1. | A Virus is a malicious executable code attached to another executable file which can be harmless or can modify or delete data. | Trojan Horse is a form of malware that capture some important information about a computer system or a computer network. |
| 2. | The main objective of virus is to modify the information. | The main objective of Trojan horse is to steal the information. |
| 3. | It is more harmful. | It is less harmful as compared. |
| 4. | Antivirus software are used for protection against viruses. | Trojan horses are detected by the antivirus software. |
| 5. | Virus can’t be controlled by remote. | Trojan Horse can be controlled by remote. |
| 6. | Viruses are executed via executable files. | Trojan horse are executed through a program and interprets as utility software. |
| 7. | Resident and Non -resident viruses are two types of Virus. | Back orifice, Rootkit and Beast Trojan are some of the common Trojan horses. |
| 8. | Virus replicates itself. | Trojan horse does not replicate itself. |