1. 根工具包：
Rootkit 是一组应用程序，是一种恶意软件，旨在感染目标 PC 并允许攻击者安装一组工具，授予他对计算机的持久远程访问权限。恶意软件通常将自己伪装成“隐藏在视线中”的普通文件，因此您的防病毒软件会忽略它们。它支持对计算机或计算机网络的管理员级别访问。其动机是从您的计算机中窃取身份信息，通常是为了获得对系统的控制权。很难检测和去除，需要专门的工具去除。
2. 间谍软件：
间谍软件是一种恶意软件，可以执行某些工作，包括监视和跟踪用户操作以及收集个人数据。间谍软件程序通常将自己安装在系统上，并在未经系统用户同意的情况下通过收集系统用户的数据向第三方提供利润。恶意间谍软件还试图通过在系统后台运行来捕获用户的密码和个人信息。
Rootkit 和间谍软件的区别：
| S.No. | ROOTKIT | SPYWARE |
|---|---|---|
| 1. | Rootkit is set of malicious program that enables administrator-level access to a computer network. | Spyware is a form of malware designed to collect your personal information. |
| 2. | It is less harmful as compared. | It is less harmful as compared. |
| 3. | Rootkit is one of the type of malware. | Spyware is also one of the type of malware. |
| 4. | The main objective of rootkit is to steal the identity information, often to gain control of a system. | The main objective of the spyware is to monitor the activity of the system. |
| 5. | Detecting and removing a rootkit is a complex process and typically requires the use of specialized tools. | Spyware can be detected and removed by the anti-spyware program. |
| 6. | It give unauthorized access and control of the system to the attacker. | It provides profit to the third party by collecting data of user without his awareness. |
| 7. | TDSS, ZeroAccess, Alureon and Necurs are some of the common rootkit. | Bonzibuddy, Cydore and Downloadware are some examples of spyware |