yes it does see what google says:
Is Doki Doki Literature Club a virus
The Doki Doki Virus (ドキドキ・ウイルス Doki Doki Uirusu) is a biological computer virus created by the Belief Club President Kai. It is the main topic in Re: Literature Club! The Doki Doki Virus, being a mystery in the first part of the game/fanfiction.