erereCreate Your Own Emergency Boot Disk

Hardware tips: To create an emergency boot disk to identify mysterious components, create your own emergency boot disk. Pop Quiz: Windows does not start. If you: A. Panic; B. Nap; C. If you removed a customized emergency boot disk, use it to boot your computer and continue the system repair. If you answer C, I will recommend you. If you choose B, I envy you. But if you choose A, I can help. It's time to make a better standard Windows version of an emergency boot disk.

1) Boot sector virus is normally infected by rebooting the system with the infected floppy disk in the drive. It reads the virus from the infected floppy boot sector and writes it to the master boot record of the system hard disk. The primary boot sector is the first place to be read when the system boots from the hard drive. Then, as soon as the computer starts up, the virus is loaded into the system's memory. 3) Macro viruses are currently the most common virus. Infects files that are executed by applications that use macro languages ​​such as Microsoft Word and Excel. The virus looks like a macro in the file, and when the file is opened, the virus can execute the macro language understanding command of the application.

The second virus is the boot sector virus. It infects the boot sector or partition table of the disk. When a user boots the system with an infected disk from a floppy disk drive, the computer system is most likely to be attacked by the boot sector virus. Even if you try to start up, the virus does not always infect the hard disk. The third type of virus is a stealth virus that hides the change. This is done by taking over the function of reading files or system sectors. After that, when another program requests information from part of the disk, the virus is changing. This virus reports correct (unchanged) information, not true information. Of course, in order to perform this operation, the virus must reside in memory and be active

The system or boot record is infected. These viruses infect executable code in certain system areas on disk. They are connected to the DOS boot sector on the disk and the master boot record on the USB thumb drive or hard disk. In a typical attack scenario, the victim receives a storage device containing a boot disk virus. If the victim's operating system is running, the file on the external storage device may infect the system, and rebooting the system will cause a boot disk virus. An infected storage device attached to the computer can modify or replace the existing boot code on the infected system and the virus will be loaded immediately at the next system startup and a part of the master boot record It will be executed as. Since today's devices are less reliant on physical storage media, activation of viruses is now less common