Franz Swoboda was the first person aware of the Vienna.636.A virus. The global IT community was up in arms in order to identify its creator. Although the originator is still unknown, it is for sure that Franz. He was first person to identify the virus, and according to those days it was the most popular virus in the world. The originator of the virus remains unknown, but it is still believed to be the first virus to be created in Vienna, Austria.”]
Source: https://www.bitdefender.com/blog/hotforsecurity/vienna-actively-fighting-malware-threats/