trojan - A user installs what appears to be a free system optimizer, but once opened, the program secretly creates a backdoor that allows remote control of the device., rootkit - A workstation behaves abnormally, but antivirus tools cannot detect any threats. Deep forensic scanning reveals hidden system files that load before the OS., virus - Multiple computers in an office begin showing corrupted files after a user opens an infected email attachment. The infection spreads whenever files are shared., spyware - A user reports that their browser redirects to unknown pages. Investigation shows software silently collecting browsing habits and keystrokes., ransomware - A company finds all files encrypted and renamed. A message demands payment in cryptocurrency for the decryption key., keylogger - A user’s banking credentials are stolen shortly after entering them online. Logs reveal unauthorized software capturing keystrokes., boot sector virus - A system repeatedly fails to start properly. A scan of the bootloader reveals malicious code inserted into the MBR., cryptominer - A computer’s CPU usage reaches 100% even when idle. Background analysis reveals a malicious script mining cryptocurrency., stalkerware - A mobile device’s location, texts, and photos are being accessed remotely without the user’s knowledge., fileless malware - A workstation is compromised, but no malicious files exist on the disk. Instead, PowerShell commands were executed only in memory., potentially unwanted program - A user notices numerous pop-up advertisements after installing a free game. The installer included bundled ad-supported software., recovery environment - This system is so infected that it won’t boot normally, and I need to repair startup files using Windows’ built-in recovery tools. Do I know which tool or method this refers to?, endpoint detection and response - This workstation suddenly started making suspicious outbound connections, and security software automatically isolated it from the network. Which tool or method handles this kind of automated endpoint containment?, managed detection and response - An external security provider alerted the business at 2 AM that they detected and blocked malware spreading attempts. Do I know which outsourced security method provides this kind of service?, extended detection and response - Alerts from email, network logs, and endpoint tools were combined to reveal a coordinated phishing attack. Which tool or method integrates multiple security layers like this?, antivirus - A scheduled scan found a malicious file and quarantined it before it caused damage. Do I recognize which basic protection tool is doing this?, anti-malware - Specialized software was needed to remove spyware and adware that regular antivirus missed. Which tool or method focuses on this specific type of threat removal?, email security gateway - Malicious emails never reached user inboxes because they were filtered out during delivery. Do I know what tool or method blocks harmful messages before users see them?, software firewalls - An unknown app tried to connect to a suspicious IP, and the system immediately blocked it. Which tool or method monitors and restricts outbound and inbound network traffic like this?, user education - Employees took part in phishing simulations to help them recognize suspicious messages. Which method focuses on improving user awareness and behavior?, os reinstallation - The system was too corrupted to clean, so the only solution was wiping it and installing the operating system fresh. Do I know which method this describes?,

CompTIA A+ 2.4 – Malware Types and Detection/Removal/Prevention Methods

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