An 18-year-old from Malmö was sentenced to nine years in prison in Sundsvall District Court at the end of August.
Three other people were sentenced to lighter sentences for complicity in the crimes - in addition to murder also aggravated robbery, kidnapping, aiding and abetting aggravated theft and assault in court.
The 18-year-old denies the murder and appealed the verdict.
A fifth suspect is still at large and internationally wanted.