Which of the following viruses tries to hide from anti-virus programs by actively altering and corrupting the chosen service call interruptions when they are being run?

Which of the following viruses tries to hide from anti-virus programs by actively altering and corrupting the chosen service call interruptions when they are being run?
A . Macro virus
B . Stealth/Tunneling virus
C . Cavity virus
D . Polymorphic virus

Answer: B