How to create a backdoor virus

Creates and executes the following file: %CurrentFolder%\hms.exe Note: %CurrentFolder% is a variable that refers to the folder where the risk was originally executed.Creates the following files: * %System%\Zykheptd.dll * %System%\Zykheptd.sysNote: %System% is a variable that refers to the System folder. By default this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\