How do web viruses spread?

Web viruses are mainly spread through the following ways: 1. Downloading files from untrusted websites or download sources; 2. Instant messaging channels sending harmful links; 3. Spreading software security vulnerabilities; 4. Advertisements Placing malicious advertisements on the network; 5. Malicious embedded content to spread viruses.

# Operating system for this tutorial: Windows 10 system, Dell G3 computer.

Webpage viruses are mainly spread through the following channels:

1. Malicious downloads: When users download files from untrusted websites or download sources, they may download files infected with viruses. document. These files may be disguised as legitimate but actually contain malicious code.

2. Malicious links: Attackers send deceptive messages containing harmful links through email, social media, instant messaging and other channels. If the user clicks on the link, they will be redirected to a malicious web page that may spread the virus in various ways.

3. Vulnerability Exploitation: Web viruses can also be spread by exploiting security vulnerabilities in software such as operating systems, browsers, or plug-ins. Attackers can inject malicious code on websites, and when users visit these injected pages, the virus will be spread to the user's device.

4. Malicious ads: Attackers can place malicious ads in ad networks, which may trigger virus propagation when users visit web pages containing these ads. This approach is called "adjacking."

5. Embedded content: Some web pages allow users to embed third-party content, such as Flash, Java applets, etc. Attackers can spread viruses by planting malicious embedded content.

To protect yourself from web viruses, it is recommended to use reliable security software and anti-virus programs, and to keep software such as operating systems and browsers updated in a timely manner. In addition, be wary of unknown links, download sources and advertisements when visiting web pages, and avoid clicking on untrustworthy content.

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