Discogs calls this "lo-fi rock". Another calls it "minimal wavePunk". This one doesn't even try to assign it to a particular genre. I previously posted one of their releases as Äpyli Ja Utu Ptrui Tänne Prutui.
Äpyli - Junalla Timbuktuun / Nowe Czasy 7" (Selecta SES 009, 1981)