The few dollars saved in licensing are not worth the cost of a plant-wide compromise or a human safety incident.
It is important to clarify from the outset that does not correspond to any known, legitimate, or official software package from Siemens, Simatic, or any mainstream industrial automation vendor. A detailed analysis of this string suggests it is likely a custom or cracked file , a malware variant using a misleading name , or an internal test artifact that has been leaked. simatics7fprojxv55sp13upd1exe patched