What is the primary characteristic of malware?

• It is always visible to the user.

• It is a type of hardware.

• It refers to various forms of harmful software.

• It is only used for data backup.

How does a Trojan typically deceive users?

• By displaying unwanted advertisements.

• By encrypting files and demanding a ransom.

• By replicating itself without user interaction.

• By appearing as a harmless program.

What distinguishes a worm from a virus?

• Worms disguise themselves as legitimate software.

• Worms are always harmless.

• Worms can self-replicate without human intervention.

• Worms require user interaction to spread.

What is the main goal of ransomware?

• To encrypt files and demand payment for decryption.

• To collect user data covertly.

• To replicate itself and spread to other systems.

• To display advertisements.

Which type of malware is known for displaying unwanted ads?

• Trojan

• Ransomware

• Adware

• Spyware