Installation:
Grand Theft Auto 5 (GTA V): Cheat (Race $$ Multiplier) [1.32] Free Download
Unpack the archive to any convenient location, but not to the game folder
To win the 100k race:
Start playing any short race (one)
During the race, press
Num 1
PS:
Antivirus can swear at the trainer, the virus is not there.