If you are referring to the indie management title (likely ), you are looking at a deep simulation of the gas station business. The Core Loop
: Advanced EDR (Endpoint Detection and Response) tools can often scan the "headers" of a file even if the overall size is massive. File: Pumping.Simulator.zip ...
: Real game files are usually digitally signed by the developer. If you are referring to the indie management
Malware authors "pump" files by injecting useless null bytes (zeros) into a small executable or ZIP file. This artificially inflates a 2MB virus into a 500MB file. File: Pumping.Simulator.zip ...