Cyber EOP - Anti-Virus/Malware & Removal By Mr. B

What does the term 'malware' refer to?

• Data backup

• Malicious software

• Hardware damage

• Network security

Answer explanation

The term 'malware' specifically refers to 'malicious software' designed to harm, exploit, or otherwise compromise computer systems. It does not relate to data backup, hardware damage, or network security.

Which type of malware encrypts files for extortion?

• Trojans

• Ransomware

• Worms

• Viruses

Answer explanation

Ransomware is a type of malware that encrypts files on a victim's system and demands payment for the decryption key, making it a tool for extortion. Other options like Trojans, worms, and viruses do not primarily focus on encryption for extortion.

What is a key characteristic of worms?

• They only affect mobile devices

• They are always visible to users

• They can spread without user interaction

• They require an infected application to spread

Answer explanation

Worms are unique in that they can spread independently, without requiring user interaction. This allows them to propagate rapidly across networks, unlike other malware that often needs a user to execute an infected file.

What is the first step in the malware removal process?

• Quarantine the system

• Download a malware scanner

• Educate users

• Run a system restore

Answer explanation

Quarantining the system is the first step in malware removal as it isolates the infected system to prevent further spread of malware, allowing for safe scanning and cleaning without risking other devices.

Which of the following is a best practice for protection against malware?

• Using outdated software

• Regularly updating systems

• Ignoring suspicious emails

• Disabling firewalls

Answer explanation

Regularly updating systems is crucial for protection against malware, as updates often include security patches that fix vulnerabilities. In contrast, using outdated software, ignoring suspicious emails, and disabling firewalls increase risk.

What is the purpose of a keylogger?

• To encrypt files

• To track keystrokes

• To create backups

• To spread malware

Answer explanation

A keylogger is designed to track keystrokes made by a user. This allows it to capture sensitive information like passwords and personal messages, making 'to track keystrokes' the correct purpose of a keylogger.

What should you do if you suspect a malware infection?

• Continue using the system normally

• Quarantine the system immediately

• Ignore the symptoms

• Download random software

Answer explanation

If you suspect a malware infection, you should quarantine the system immediately to prevent further damage and protect your data. Continuing to use the system or ignoring symptoms can lead to more severe issues.

Which type of malware disguises itself as legitimate software?

• Ransomware

• Trojans

• Worms

• Viruses

Answer explanation

Trojans are a type of malware that disguise themselves as legitimate software to trick users into installing them. Unlike ransomware, worms, and viruses, which have different behaviors, Trojans specifically focus on deception.

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

• Regular software updates

• Using secure networks

• Clicking on malicious links

• Direct hardware connection

Answer explanation

Clicking on malicious links is a common method for malware to enter a system, as these links can lead to downloads of harmful software or phishing sites that compromise security.

What does MFA stand for in cybersecurity?

• Multi-Factor Authentication

• Malware File Analysis

• Malicious Functionality Assessment

• Managed Firewall Access

Answer explanation

MFA stands for Multi-Factor Authentication, a security measure that requires multiple forms of verification to access an account, enhancing protection against unauthorized access.