The terms ‘Virus’ and ‘Trojan’ are often heard in the realm of technology. Although different through their fundamental make up, they share one common trait- they are bad news for computer users around the world. And yes, the manner in which they are a threat also differs.
For starters a virus is a malicious code that is capable of attaching itself to an executable file, thus making it possible for itself in performing actions on the computer which may or may not harm the user.
Trojans are malware – programs designed to gain unauthorized access to a computer system – that disguise themselves as legitimate software fooling users to install them in the system. This enables hackers to gain control over the system for malicious purposes.
Several other differences between virus and trojan will be highlighted in the article. The information will be of immense use in the Science and Technology segment of the UPSC Exams.
Difference Between Virus and Trojan-Download PDF Here
What are the fundamental differences between Virus and Trojan?
The difference between a virus and trojan are highlighted below:
| Difference Between Virus and Trojan | |
| Virus | Trojan |
| 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 captures some important information about a computer system or a computer network. |
| The purpose of a virus is to change the information or even the functioning of the computer | The main purpose of the Trojan is to steal valuable data from the system |
| Viruses are more harmful as they are capable of rendering the entire system inoperable | Trojans are less harmful in comparison to Virus but the impact of a Trojan will depend upon the value of the data stolen |
| Antivirus softwares are used for protection against viruses. | Trojan horses are detected by the antivirus software. |
| Virus cannot be remotely controlled | Trojan Horses can be controlled remotely |
| Executable files are the methods through which a virus can be employed in the system | Trojans are deployed with the help of software programs |
| Resident and Non -resident viruses are two types of viruses. | Back orifice, Rootkit, and Beast Trojan are some of the common Trojan horses. |
| Virus have the capability to replicate themselves within the system | Trojans lack the capability to replicate themselves |
| The spreading rate of viruses is moderate. | The spreading rate of Trojan horse is slow in comparison to viruses. |
Frequently asked questions about Difference Between Virus and Trojan
Are Trojans and Virus the same?
Are all Trojans viruses?
Can Trojan virus be removed?
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Related Links |
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| Computer Virus | Basics of Cloud Computing |
| Fundamentals of Computer, | Internet |
| High Level Computer Languages | Difference Between Hardware and Software |
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