Yeah that's them, here's a match with them as a trio vs. Legendario, Noicy Boy, & Rey Halcón, you can see the smiley-face virus image on the side of their mask in the pic you linked on their gear:
One thing to note is their name; El Hijo de Pandemónium, Pandemónium Jr, and Pandemónium (aka Gran Pandemónium, and as Guerrero Astral) are known as La Pandemia (The Pandemic). Here's another pic from an IWRG show with all three in gear: https://pbs.twimg.com/media/E50sdUYUUAAE7fm?format=jpg&name=large