Internet access is also safe and easy to prevent viruses hidden in webpages

When surfing the internet, you do not need to open a website. When you are unaware of the website, viruses may have been quietly installed on your computer. These viruses will bring up pop-up windows for IE and modify the IE homepage, serious impacts on system performance will also be very large. It is easier to clear the IE virus.

What is webpage virus?

Webpage viruses are viruses that use web pages for destruction. They use malicious code written in some SCRIPT languages to exploit the IE vulnerability to implant viruses. When a user logs on to a website containing webpage viruses, the webpage viruses are quietly activated. Once these viruses are activated, some resources of the system can be destroyed. Modify the user's registry to change the user's homepage and browser title. Then, you can disable many functions of the system, install trojans, and get viruses, so that users cannot use the computer system normally, in severe cases, you can format your system. This web page virus is easy to write and modify, making it difficult for users to prevent.

Currently, all webpage viruses use JS. activeX and WSH work together to perform local write operations on the client computer, such as rewriting your registry, add, delete, or change folders or files on the hard drive of your local computer. However, this function just gives webpage viruses and webpage Trojans the opportunity to take advantage.

The nature and characteristics of webpage viruses

This illegal malicious program can be automatically executed because it is completely out of user control. Once you browse a webpage containing the virus, you can immediately seek help without your knowledge, it can cause general, mild, severe, and other damages to the user's system. It makes you miserable, and you can't make up for even heavy losses. The type of webpage virus. According to the objects and characteristics of common webpage viruses on the Internet, these two types are summarized as follows:

Webpage virus attack methods

Since it is a webpage virus, it is very simple to say that it is a webpage, but when the webpage is running and local, the operations it performs are not just downloaded and then read, along with the operations of the former, the download of the virus software, or the download of Trojans, and then the execution, quietly modify your registry, and so on... So what are the characteristics of such web pages?

(1) Beautiful webpage names and the ignorance of visitors

(2) Use the browser's curiosity

(3) Unconscious Viewer

Basic website virus prevention measures

(1) almost all Internet users now have their own QQ accounts, and many webpage viruses are spread through QQ, so when your QQ friends send you a website, you must confirm it before opening it. No, it is likely that the other party is infected with the virus, and the information automatically sent by the virus without knowing it.

(2) To avoid webpage malicious code infection, the first key is not to easily access websites that you do not know very well, especially websites that look very beautiful and attractive, rather than accessing them easily, otherwise, the web page code is often entered by mistake.

(3) upgrade your IE to the latest version and install all the security vulnerability patches.

(4) This type of webpage is an ActiveX webpage file containing harmful code. Therefore, in iesettings, disabling all ActiveX plug-ins, controls, Java scripts, and so on can be avoided.

Specifically, click "Tools> Internet Options" in the IE window, select the "Security" tab in the pop-up dialog box, and then click "Custom Level, the "Security Settings" dialog box is displayed. Select "Disable" for all ActiveX plug-ins, controls, and Java-related items. However, in the future, Web browsing may cause some websites that normally use ActiveX to be unable to browse.

(5) Note the letter preview function.

According to the above virus, if a letter contains a vicious HTML/Script language, it may be executed automatically. Therefore, even if the toxic emails we receive do not contain files, they may still be infected with viruses. If you are a high-risk group that frequently receives virus emails or files, you can disable the mail preview function.

(6) download Microsoft's latest Microsoft Windows Script

(7) install the virus firewall and enable Web page monitoring and script monitoring.

(8) Please upgrade your antivirus software virus database frequently so that they can promptly detect viruses hidden in your computer. Perform full-host scanning regularly.

(9) Be careful with unknown letters

In normal times, You will inevitably receive many emails, such as greeting cards and advertising messages. Virus emails may also be contained. If You receive basic greetings such as "HI" and "How are You, the Mail content is a short message, even if the sender is a well-known friend or colleague, you must be very careful. Because it is very likely that they are poisoned and sent to you without knowing the virus mail.