With the popularization of computers and the development of information technology, the term "computer virus" is no longer unfamiliar to everyone. Nowadays, computer viruses are emerging one after another, and even make computer users almost "fear of talking about poison". Jiangmin Company's technical engineers found that many users were not very familiar with the files under the operating system, so they had various doubts.
The following are files that users often suspect to be viruses:
1. Documents
There should be three reasons why the file is mistakenly considered by the user to be a virus:
1. This file exists in some operating systems with pictures;
2. Even if this file is deleted, it will still be generated the next time the folder is opened;
3. The file may continue to grow.
In fact, files will be found in Windows Me or later Windows versions. This is Windows' cache of pictures (or buffered files). It can facilitate users to preview pictures. The more pictures there are, the larger the file may be, which is normal. Under Windows XP system, you can select "Don't cache thumbnails" in "Folder Options", so this kind of file will not be generated.
2. Mfm1992 file or "(suffix is infinite AVB)"
The main reason why users of Mfm1992 file mistakenly believe it is a virus should be: this file may be generated in any folder, and may be regenerated after deletion.
The Mfm1992 file is a file generated due to an error in the vocabulary of Smart ABC. Since the vocabulary capacity of the intelligent ABC input method is limited, this file will be generated when it exceeds this capacity. The file is generated in which directory the current program is running. The size of this file is generally 43KB. This is a bug in smart ABC4.0. This error has been fixed by the smart ABC5.0 that comes with Win2000 and me.
If you want to prevent this file from appearing on your computer, there are two ways:
1. You can upgrade the 4.0 smart ABC to the higher version.
2. You can delete the *.rem file in the Windows\system directory and then restart the computer.
3. Temporary Word files
When users open a Word document, they will find that a file with the symbol "Quan" symbol appears in the same directory. Its icon is the same as the icon of the Word document, but it has a "gray" color (that is, it has hidden attributes). Many users find it suspicious and think it is caused by the virus.
In fact, this is a normal phenomenon. This file is generated by Word and can be understood as a buffer file. Its function is to maximize the loss of users' modified or established Word documents due to unexpected reasons (such as sudden crashes, etc.). In fact, this file will automatically disappear after closing the Word document, so users don’t have to worry.
IV. Documents
Unlike the above files, this file is not a file generated when an error occurs or a temporary file, but a normal system file. Users could not notice it because it exists in the system directory. But the reason many users think it is a virus is because a deceptive email is circulating around the internet. The email, disguised as a virus prevention report, warned users who received the email, claiming that the "" file is a virus that can damage the entire computer system two weeks after infection with the PC. This lie was circulated by many PC users who believed they had been infected, hoping to help other victims clear the virus.
In fact, the "" file is a Java debug manager and is an integral part of all Java software installed on Windows systems. Once this file is deleted, it may cause some Javaapplets and JavaScript to stop working.