McAfee, 75, was found hanging in his prison cell at Centre Penitenciari Brians 2 in Barcelona on June 23, just hours after his extradition to the US was approved.

Last week’s court ruling confirmed the findings of the original autopsy that McAfee’s death was a suicide, MarketWatch reported.

Authorities in Spain had previously said everything at the scene in his cell indicated that the tech mogul did kill himself, but his ex-wife Janice disputes that and has already mounted an appeal, insisting the death was murder.

An official source familiar with the investigation also told The Associated Press that a suicide note had been found in McAfee’s pocket.

The tech entrepreneur, who founded the eponymous anti-virus software, but was just worth $4m at the time of his death wrote: ‘I am a phantom parasite. I want to control my future, which does not exist.’ But Janice says she doesn’t believe the note was in her late ex’s handwriting.

For seven months, McAfee’s body has been held in the prison morgue’s freezer since his death. Last year, McAfee’s ex-wife, Janice McAfee, demanded a ‘thorough investigation’ of his death, saying her husband did not appear suicidal when they last spoke.