🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books

Malware Quiz 5 (9 MCQs)

This set of multiple-choice questions evaluates understanding of malware types, including ransomware, spyware, and rootkits, and covers detection, prevention, and removal strategies. It also explores historical context, such as John Brunner's "The Shockwave Rider," and the impact of harmful software on personal information and network security.

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which of the following is a type of malware intentionally inserted into a software system that will set off a malicious function when specified conditions are met?

Correct Answer: Correct answer is: (D) Logic bomb.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Moderate

Concept notes: A logic bomb is a type of malware that is intentionally inserted into a software system and is designed to execute a malicious function when specific conditions are met.

Common Mistakes: A common misunderstanding is that all malware types are triggered immediately upon infection. However, a logic bomb is unique in that it remains dormant until certain conditions are met.

Explanations: A logic bomb is a type of malware that is intentionally inserted into a software system and is designed to execute a malicious function when specific conditions are met. This distinguishes it from other types of malware like worms, Trojans, and spyware, which do not necessarily require specific conditions to trigger their malicious actions.

Option Analysis:

Option A: A worm is a type of malware that can replicate itself and spread to other computers without user intervention. It does not require specific conditions to trigger its malicious actions.
Option B: A Trojan is a type of malware that disguises itself as a legitimate program to trick users into installing it. It does not necessarily require specific conditions to trigger its malicious actions.
Option C: Spyware is a type of malware that secretly collects information from a user's system. It does not require specific conditions to trigger its malicious actions.
Option D: A logic bomb is a type of malware that is intentionally inserted into a software system and is designed to execute a malicious function when specific conditions are met.

2. Which of the following are the 3 main purpose of anti-malware software?

Correct Answer: Correct answer is: (D) Detect-Prevent-Remove.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Moderate

Concept notes: Anti-malware software is designed to protect computer systems from malicious software. The primary functions of anti-malware software are to detect, prevent, and remove malware.

Common Mistakes: A common misunderstanding is that anti-malware software only detects malware, but it also prevents and removes it.

Explanations: Anti-malware software is designed to identify (detect) malicious software, stop (prevent) it from executing, and eliminate (remove) it from the system. These three functions work together to provide comprehensive protection against malware.

Option Analysis:

Option A: Detect-Copy-Redo is not a valid sequence for anti-malware software functions.
Option B: Filter-Prevent-Accept does not accurately describe the core functions of anti-malware software.
Option C: Open-Write-Remove does not align with the primary functions of anti-malware software.
Option D: Detect-Prevent-Remove correctly identifies the three main purposes of anti-malware software.

Mnemonic: DPR: Detect, Prevent, Remove

3. Which of the following is a type of malware that is designed to change your browser's settings?

Correct Answer: Correct answer is: (B) Browser Hijacker.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Easy

Concept notes: A browser hijacker is a type of malware that alters the settings of a web browser without the user's consent. This can include changing the homepage, search engine, or other settings to redirect the user to unwanted websites.

Common Mistakes: A common misunderstanding is that all malware is designed to steal information or cause harm to the system. However, some malware, like browser hijackers, primarily aim to alter browser settings and redirect users to specific websites.

Explanations: A browser hijacker is specifically designed to change the settings of a web browser, such as the homepage or search engine, without the user's consent. This type of malware fits the description provided in the question. Hoaxes, on the other hand, are not actual malware but rather false claims or warnings about non-existent threats.

Option Analysis:

Option A: Hoax is not a type of malware but rather a false claim or warning about non-existent threats.
Option B: Browser Hijacker is a type of malware that changes browser settings.
Option C: Not all options are types of malware that change browser settings.
Option D: This is incorrect as there is a correct option (B).

4. A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by John Bruner entitled the Shockwave Rider is .....

Correct Answer: Correct answer is: (D) Worm.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Moderate

Concept notes: A worm is a type of malware that can replicate itself and spread to other computers without human intervention. It is often associated with the concept of self-replicating programs.

Common Mistakes: A common misunderstanding is that all self-replicating programs are viruses. However, worms are distinct from viruses in that they do not need to attach themselves to a host program to spread.

Explanations: The term "worm" in the context of malware originates from John Brunner's 1975 science fiction novel "The Shockwave Rider." In the novel, a self-replicating program that spreads through a network is referred to as a "worm." This term has since been adopted in the field of computer security to describe a type of malware that can replicate itself and spread autonomously. Therefore, the correct answer is "Worm."

Option Analysis:

Option A: Bug is a general term for a flaw or error in a program, not specifically a self-replicating program.
Option B: Vice is not a term used in the context of malware or self-replicating programs.
Option C: Lice is not a term used in the context of malware or self-replicating programs.
Option D: Worm is the correct term for a self-replicating program that spreads autonomously, as described in the novel "The Shockwave Rider."

Mnemonic: Worms Wriggle, Worms Wander

5. What is spyware?

Correct Answer: Correct answer is: (C) Malicious software that collects personal information.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Moderate

Concept notes: Spyware is a type of malware designed to collect personal information from a user's device without their knowledge or consent.

Common Mistakes: A common misunderstanding is that spyware is the same as adware, which is incorrect. Adware primarily displays advertisements, while spyware focuses on collecting personal data.

Explanations: Spyware is specifically designed to gather sensitive information such as login credentials, financial data, and personal communications. This makes it distinct from other types of malware like viruses or adware. The primary function of spyware is to monitor and collect data, which can then be used for malicious purposes.

Option Analysis:

Option A: This describes a type of malware known as a trojan, which appears harmless but is actually malicious.
Option B: This describes a virus, which replicates itself to spread to other computers.
Option C: This accurately describes spyware, which is designed to collect personal information.
Option D: Adware primarily displays advertisements and does not necessarily collect personal information.

Mnemonic: S-P-Y: Spyware Peeks Your information

6. ..... is a type of malware that restricts access to your computer or your files and displays a message that demands payment in order for the restriction to be removed.

Correct Answer: Correct answer is: (C) Ransomware.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Moderate

Concept notes: Ransomware is a type of malware that restricts access to a computer or files and demands payment for the restriction to be removed.

Common Mistakes: A common misunderstanding is that ransomware is the same as scareware, which is designed to trick users into buying unnecessary software, rather than restricting access to files or the computer.

Explanations: Ransomware is specifically designed to restrict access to a computer or files and demands payment for the restriction to be removed. This aligns with the description provided in the question. Other options like computer worms, malicious spyware, and scareware do not fit this specific behavior.

Option Analysis:

Option A: Computer Worms are self-replicating malware that spread across networks, but they do not restrict access to files or demand payment.
Option B: Malicious Spyware is designed to gather information from a user's computer without their knowledge, but it does not restrict access or demand payment.
Option C: Ransomware restricts access to a computer or files and demands payment for the restriction to be removed, which matches the description in the question.
Option D: Scareware tricks users into buying unnecessary software by displaying fake warnings, but it does not restrict access or demand payment for access.

Mnemonic: Ransomware: "Ransom" for "Restriction and Payment"

7. It is a toolkit for hiding the fact that a computer's security has been compromised, is a general description of a set of programs which work to subvert control of an operating system from its legitimate (in accordance with established rules) operators.

Correct Answer: Correct answer is: (A) Rootkit.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Moderate

Concept notes: A rootkit is a type of malicious software designed to provide continued privileged access to a computer while actively hiding its presence from users and administrators.

Common Mistakes: A common misunderstanding is that a rootkit is only used for data theft, but it is primarily used to maintain control over a compromised system.

Explanations: A rootkit is a toolkit for hiding the fact that a computer's security has been compromised. It works to subvert control of an operating system from its legitimate operators, allowing unauthorized access and control. This matches the description given in the question.

Option Analysis:

Option A: Correct. A rootkit is designed to hide the presence of malware and maintain unauthorized access.
Option B: Incorrect. A keylogger is a type of malware that records keystrokes, but it does not hide the fact that a system is compromised.
Option C: Incorrect. A worm is a type of malware that spreads itself to other computers, but it does not specifically hide the fact that a system is compromised.
Option D: Incorrect. A cracker is a person who attempts to gain unauthorized access to computer systems, but it is not a type of software.

Mnemonic: R-O-O-T-K-I-T: Root Over Operating System, Keeps Intruders Tethered

8. Which of the following is a common type of malware?

Correct Answer: Correct answer is: (B) Virus.

Exam Relevance: CISSP, CompTIA Security+, CCNA Security

Difficulty: Easy

Concept notes: Malware refers to malicious software designed to harm, steal data, or cause other harm to a computer system. A virus is a common type of malware that can replicate itself and spread to other computers.

Common Mistakes: A common mistake is to confuse a firewall, router, or switch with malware. These are network security devices or components, not types of malware.

Explanations: A virus is a type of malware that can replicate itself and spread to other computers, often causing harm or stealing data. Firewalls, routers, and switches are network devices used to protect and manage computer networks, not types of malware.

Option Analysis:

Option A: A firewall is a network security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It is not a type of malware.
Option B: A virus is a type of malware that can replicate itself and spread to other computers, often causing harm or stealing data.
Option C: A router is a device that forwards data packets between computer networks. It is not a type of malware.
Option D: A switch is a device that connects devices on a computer network by using packet switching to receive, process, and forward data to the destination device. It is not a type of malware.

9. Mrs. Polly thinks one of her students has downloaded some software that she believes will harm the school computers. What type of software does Mrs. Polly think was downloaded?

Correct Answer: Correct answer is: (B) Malware.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Moderate

Concept notes: Malware is a type of software designed to cause harm to a computer system, network, or device. It includes various forms such as viruses, trojans, spyware, and adware.

Common Mistakes: A common mistake is confusing malware with other types of software like adware or spyware, which are specific types of malware.

Explanations: Malware is the most general term for harmful software, which encompasses various types of malicious programs. Mrs. Polly believes the software downloaded will harm the school computers, which aligns with the definition of malware.

Option Analysis:

Option A: Spyware is a type of malware that secretly monitors a user's activities, but it is not the most general term for harmful software.
Option B: Malware is the correct term for any software designed to cause harm to a computer system, which fits Mrs. Polly's concern.
Option C: Anti-virus software is designed to protect against malware, not to cause harm.
Option D: Adware is a type of malware that displays unwanted advertisements, but it is not the most general term for harmful software.

Frequently Asked Questions

What is malware?

Malware is harmful software designed to compromise a computer system, steal personal information, or disrupt normal operations.

What types of malware are there?

Common types of malware include viruses, spyware, ransomware, rootkits, and self-replicating malware like worms.

How can I protect my computer from malware?

Install and regularly update anti-malware software, keep your operating system and applications up to date, and avoid downloading files from untrusted sources.

What is the history of malware?

The concept of malware was first introduced in the 1970s, with the term "virus" coined by John Brunner in his novel "The Shockwave Rider."

What is a logic bomb?

A logic bomb is a type of malware that activates under specific conditions, such as a certain date or time, to cause damage or steal data.

🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books