(A total of three volumes are produced by the dark group new4. From this article, you can learn: 1. How to identify whether a file is a bundled Trojan horse 2. How to manage and solve the bundled Trojan horse file Volume 2 From this article, you can learn: 1. .How to identify whether there is a Trojan on a page 2. How to accurately manage IE vulnerabilities in the system Volume 3 You can learn from this article: How to manage computer users and how to patch their own systems)