After getting kicked out by Mistress Miranda, he goes to work for Umbrella, achieving employment from a glowing recommendation by one Ethan Winters. After learning of their dubious practices, he reports them to the UN and all governments of the world unanimously agree to shut them down. At the same time he sent to treatment for his obvious fungal infection, and research on his body both allows an antidote to be produced, while also progressing medical science 200 years

Good ending unlocked

Salvatore "I'm the best!" Moreau