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
[Analysis: Mikko Hypponen, F-Secure]