If you found this on a "free games" or "abandonware" site, it is highly suspect. Version 1.01 is quite old (the game has had many updates since), and older "cracked" versions are often used as containers for:
The safety of this file depends entirely on . File: Chromosome.Evil.v1.01.zip ...
Avoid opening the .zip file until you have scanned it. If you found this on a "free games"
Software that looks like a game but allows remote access to your PC. or the developer’s site
If you intend to interact with this file, follow these precautions:
If purchased from Steam, GOG, or the developer’s site, the file is safe. However, official platforms usually use their own launchers rather than raw .zip files for modern versions.