Virus War is a traditional pencil-and-paper game called Война вирусов (Voyna Virusov). It was possibly invented in the 1980s at Lenigrad State University (now Saint Petersburg State University) in the Soviet Union.

References

Virus War on Russian Wikipedia: https://ru.wikipedia.org/wiki/Война_вирусов

Virus War on Smart Kids: http://smart-kids.su/igry/na-bumage/voyna-virusov