Here is the full list of all 11 Virus Petya achievements.
Need opening this game
Need to play 120 minutes
Click "Start game"
Let's start to play again after a loss
You need to remove 10 viruses from a computer in one attempt.
You need to remove 20 viruses from a computer in one attempt.
You need to remove 30 viruses from a computer in one attempt.
You need to remove 40 viruses from a computer in one attempt.
You need to remove 50 viruses from a computer in one attempt.
Missed 3 viruses from a computers in one attempt.
Infected with a virus "Petya"