This is a simple virus generation toolkit, similar to VCL and PS-MPC. It can be used to easily generate lots of viruses with minor differences.
There are tens of known viruses written with this program. Most of them are less than 1000 bytes long, and most of them infect only COM files and contain these texts:
I-EAS Virus Creation Centre v0.19 [IE-VCC v0.19B]
Disinfection & Removal
Description Created: Mikko Hypponen, F-Secure