Apps, videos or still images are used to simulate a broken screen.
The effects can be very realistic.
It is then used by taking a picture and sending it to an insurance company to claim that you should, for example, get a new TV or mobile phone.
Bjarne Lindén, claims manager at Länsförsäkringar Bergslagen, sees a sharp increase in cases in recent weeks.
And they report it to the police as fraud.
- I think you think: "If it works, it works", he says.
The clip shows what the fake effect on the screens can look like