Yes Now it is possible for you to have your own virus. But before doing anything yourself first of all you need to read the whole article first. And let me remind you that any problem occurs after you do anything then you are solely responsible for what has happened and I will not be responsible.
TeraBIT Virus Maker 2.8 SE is the virus making software by which you can make many viruses.
Download TeraBIT VirusMaker 2.8 SE
Step 1: Download and install TeraBIT Virus Maker 2.8 SE
Note: Antivirus treat this software as virus so disable your antivirus first otherwise antivirus delete terabit's file.
Step 2: Select the viruses definitions you want to include in you virus file.
Step 3: Generate any fake message otherwise default error message are popup.
Step 4: Give icon and name to the file.
Step 5: Click on create virus.
Step 6: Now take this file to the victim machine and run it..... and you will see the result booommmmmm.......
Works with Windows 98, ME, XP, Vista & 7
Disclaimer: This tutorial is for the education purpose and i am not responsible of any harm done by you. try this on you own risk. This will aware you from the viruses.