Be careful! HTML files can also be used to format hard disks.

Source: pconline
One day, I suddenly heard a friend say that when he was surfing the Internet, he did not know what to click, and all his hard disks were formatted. The first thought of the author is: Isn't it the famous Chinese macro virus "July killer "? However, this macro virus is added to the system Autoexec. bat file "deltree c:/y" and should not format the entire hard disk.

I once saw an introduction in a magazine, saying that IE browser can format the hard disk by executing ActiveX, and remember that the source code was published at that time, the source code published at that time was for the Spanish version of Windows, but it was useless for the Chinese version of Windows. Maybe those codes have been changed by some experts to the Chinese version of Windows.

Ask your friend that he was also confused about formatting the hard disk, and he did not remember the website he entered.

No way, I had to go to some websites in China to find similar theme articles. The Emperor finally found several HTML files that can be formatted on the hard disk. The website moderators are kindly reminded that the download users can only research for themselves and cannot harm others.

Considering the risks, author
Because my machine is just installed and there is no important data, I opened the HTML file in IE browser with the idea of "getting killed.

Then, the browser sends a warning: "Interaction Between ActiveX controls on this page and other parts of the page may be insecure. Are interactions allowed? ".

If you select "yes", the insecure controls will be run. However, the HTML file I tried is just a joke. After you open it, what does it say "your drive C has been forcibly entered and formatted by it. It will be formatted once it is restarted.

Do not start. Save useful files immediately. "And so on. I carefully checked the content in the Windows Startup Program, and there was no change, so I was relieved to restart it. It was a joke.

Looking at the source code in another HTML file downloaded, I was shocked. There are only 24 lines in the program's less than 30 generations of code that call the built-in format.com command in Windows, which is really tough enough. Except drive A and drive B, as long as you can partition the C-Z, will be formatted.

To verify the effect, I Don't Want To Format my hard disk. I changed the name of format.com in Windows and opened the HTML file with IE. the browser also issued a warning: "Some software (ActiveX Controls) on this page may be insecure. We recommend that you do not run it. Allow running? ".

When you select "yes", dozens of DOS windows will pop up, probably because it cannot find the format.com file, and no DOS windows are displayed.

It not only calls format.com, but also adds some parameters, such as quick formatting. When formatting is added, the window will automatically complete the hard disk formatting, and you will regret it when you find it. Fortunately, I have changed the format.com name on the hard disk in advance, otherwise the consequences can be imagined.

It seems that the Chinese version of Windows can be formatted using HTML files. You should be careful when going online. However, you don't have to worry about getting caught and not eating. As long as you follow the method below, you can surf the Internet quickly.

1. Do not open attachments from emails sent by strangers. When opening HTML files, you should be careful when the so-called "page contains insecure ActiveX" and other information appears, it is best not to run the ActiveX control.

Second, you can change the names of vulnerable programs in windows, such as format.com?deltree.exe. There are not many cases in which we actually use these DOS commands in Windows. Therefore, it is a good way to directly call the DOS command to maliciously destroy the system code. You can change to some easy-to-remember names like format.com to format-1.com.

3. Pay attention to updating your system. The system does not necessarily require the latest version. However, you must pay attention to the security patches. It is best to download and install the patches. Our common anti-virus and anti-hacker programs should be updated on a regular basis.

It is worth noting that no anti-virus or anti-hacker programs can respond to the HTML files used by the author to format the hard disk this time (this is no wonder, because this malicious code is not in the scope of viruses and hacker programs ).

4. Some illegal websites encountered on the Internet. If it requires you to download or click something, you should first look at the instructions. It is best not to trust them easily. What I mentioned in the newspaper in the past is that downloading a program makes it a painful lesson for dial-up Internet users to pay for international long-distance calls.

Like my friend, I have to try those programs without the advice of the Web moderator on the Internet, and the hard drive gets stuck. This lesson should also be learned well.