o don’t neglect it, if virus or Trojan does something on it, it’s quite covert and perfect.
Under system partition Windows directory, open it with notepad (sometimes it is file wininit.hak), then you can see relevant content. Obviously, we can add relevant sentence to it to change system program or delete the application. If it’s a file-related Trojan, we can delete the original infected file by winint.ini and finally hide itself.
5. Fight in DOS
At last, let’s talk about the startup item loading under DOS, files like config.sys, autoexec.bat, *.bat could all load application with special programming. Therefore, don’t conceive DOS is a product out of time, you know, good DOS program usually has very simple and practical functions!