1. 恶意软件：
恶意软件是一种旨在未经用户许可访问计算机系统的程序，通常是为了某些第三方的利益。恶意软件包括计算机病毒、蠕虫、特洛伊木马、勒索软件、间谍软件和其他恶意程序。
2. 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。
病毒和恶意软件的区别：
| S. No. | Category | Virus | Malware |
|---|---|---|---|
| 1. | Full form | Vital Information Resources Under Seize | Malicious Software |
| 2. | Description | A Virus is a malicious executable code attached to another executable file which can be harmless or can modify or delete data. | Malware is a program designed to gain access to computer systems, normally for the benefit of some third party, without the user’s permission. |
| 3. | Types | Resident and Non -resident viruses are two types of Virus. | Malware includes computer viruses, worms, Trojan horses, ransomware, spyware and other malicious programs. |
| 4. | Protection | Antivirus software are used for protection against viruses. | Antimalware software are used for protection against malware. |
| 5. | Relationship | Virus is a type of Malware. | Malware contains several programs; virus is one of them. |