Understanding Malware

The video tutorial provides an overview of malware, explaining its various types such as viruses, worms, trojans, rootkits, keyloggers, adware, and spyware. It discusses how malware can infect systems, often exploiting vulnerabilities without user intervention, and emphasizes the importance of keeping systems updated to prevent infections. The tutorial also delves into ransomware, describing how it encrypts personal files and demands payment for decryption. The video highlights the need for vigilance and regular updates to protect against these threats.

What is the primary purpose of malware?

• To perform malicious activities

• To provide free software updates

• To enhance system performance

• To improve internet speed

Which type of malware can operate without user intervention?

• Virus

• Worm

• Trojan Horse

• Adware

What is a characteristic of a trojan horse?

• It disguises as legitimate software

• It displays advertisements

• It replicates itself

• It encrypts files

How can a rootkit be described?

• A type of adware

• A form of ransomware

• Easy to detect and remove

• Difficult to identify and remove

What is a common method for malware to infect a system?

• Through a system update

• Via a power surge

• By exploiting software vulnerabilities

• Through a hardware malfunction

Why is it important to keep your operating system updated?

• To increase battery life

• To reduce internet usage

• To enhance graphics performance

• To prevent malware infections

What is the main goal of ransomware?

• To delete system files

• To encrypt personal files and demand payment

• To improve system speed

• To provide free software

What type of encryption is commonly used in ransomware attacks?

• Hashing

• Symmetric encryption

• Public key cryptography

• Steganography

What is often the only option to regain access to files encrypted by ransomware?

• Running antivirus software

• Paying the attacker

• Restoring from a backup

• Rebooting the system

What is a common demand made by ransomware attackers?

• A hardware upgrade

• A system reboot

• Cryptocurrency payment

• A software update