Understanding Worms in Cybersecurity

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What is malware?

An operating system feature for enhancing security

Any element of software that performs an unwanted function from the user's perspective (correct)

Software that performs beneficial functions for the user

A type of computer hardware component

What differentiates viruses from other malicious code?

They are always harmless and do not cause any damage

Viruses are designed to protect systems from cyber threats

Viruses can only corrupt data but not delete or alter it

Viruses self-replicate and spread from one system to another (correct)

Which type of malware is characterized by self-replication and spreading among systems?

Ransomware

Trojan

Keylogger

Worm (correct)

What is the primary function of a logic bomb in the context of malware?

To self-destruct when triggered by a specific event Signup and view all the answers

Which category of malware is known for monitoring and recording keystrokes made by users?

Spyware Signup and view all the answers

What distinguishes RATs (Remote Access Trojans) among other types of malware?

RATs allow unauthorized access and control over infected systems Signup and view all the answers

What are common symptoms of a crypto-malware infection?

Inability to access data, missing data, system not booting Signup and view all the answers

What is the primary objective of ransomware?

To encrypt user data and demand payment for decryption Signup and view all the answers

Why is it advised against paying the ransom in a ransomware attack?

Paying encourages attackers to continue their criminal activities Signup and view all the answers

What makes worms different from viruses?

Worms are self-contained and don’t require a host file to infect Signup and view all the answers

Which form of malware holds a user’s data hostage in exchange for a ransom payment?

Ransomware Signup and view all the answers

What type of currency are ransom payments often requested in by ransomware attackers?

Bitcoins Signup and view all the answers

What is the main way in which a victim is tricked into accepting a Trojan on their system?

By believing the Trojan to be a benign host Signup and view all the answers

Which of the following are common payloads released by Trojans?

Distributed Denial-of-Service (DDoS) tools Signup and view all the answers

How does a rootkit differ from traditional malware?

A rootkit shims itself under the OS kernel Signup and view all the answers

What type of actions can a Trojan horse perform once it infects a system?

Install remote control backdoors Signup and view all the answers

What symptoms can be observed when a system is infected through a Trojan horse delivery of malware?

System slowdown or unresponsiveness Signup and view all the answers

How do countermeasures for Trojan horses compare to countermeasures for viruses?

Countermeasures for both involve similar approaches Signup and view all the answers

What is the primary focus of worms?

Replication and distribution Signup and view all the answers

How do worms typically spread to other systems?

Exploiting a specific vulnerability Signup and view all the answers

What is the main goal of a Trojan horse?

Tricking users into installing it Signup and view all the answers

What is a common disguise used by Trojan horses?

Games and screensavers Signup and view all the answers

What are some symptoms of a worm infection?

System crashes and abnormal network activity Signup and view all the answers

How is a Trojan horse crafted?

By integrating technology abuse with social engineering Signup and view all the answers

What is a common indicator of adware compromise?

Pop-up display of advertisements even when a web browser is not running Signup and view all the answers

What can spyware collect from a user's system?

All of the above Signup and view all the answers

Which of the following is true about spyware depositing methods?

Can be deposited by viruses, worms, or Trojan horses Signup and view all the answers

What is a common method used by advertising companies to gather information?

Gathering information without user knowledge Signup and view all the answers

How can adware compromise impact system performance?

Cause slow system response and poor mouse responsiveness Signup and view all the answers

What should be added to antimalware software to counter spyware effectively?

Specific adware-scanning tools Signup and view all the answers