After a user installs a free PDF converter from an unofficial website, the laptop starts making periodic outbound connections to an unknown server, the browser homepage changes, and a new program launches at logon. What is the most likely malware type?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
Distractor review
Worm
A worm primarily self-replicates and spreads to other systems, often over a network. This scenario focuses on one infected laptop showing payload behavior and persistence.
Best answer
Trojan
This is the best answer because the malicious software was disguised as a useful free tool. The symptoms include persistence, browser changes, and communication with an unknown server, which are common signs of a trojan payload. Trojans often arrive through deceptive downloads and then install additional harmful behavior after execution.
Distractor review
Rootkit
A rootkit is designed to hide malicious activity and maintain deep system access. While hiding may occur, the visible symptoms here point more directly to a trojan infection.
Distractor review
Ransomware
Ransomware typically locks files or systems and demands payment for restoration. This scenario does not describe file encryption or a ransom demand.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A laptop is suspected of being used in a malware incident. It is still powered on and connected to Wi-Fi. What should the responder do before shutting it down?
Question 2
An employee reports a ransomware note on a file server. The server is still powered on, shares are still being accessed, and management wants service restored as quickly as possible. What should the incident response team do first?
Question 3
An employee reports a ransomware note on a finance laptop. The laptop is still powered on, connected to Wi-Fi, and the user says they were just working in a spreadsheet. Management wants the fastest safe response that also preserves evidence. What should the responder do first?
Question 4
You are handed a company laptop suspected in an insider theft case. Legal says the evidence may be needed in court. Which action best preserves admissibility?
Question 5
A developer wants to reduce the risk of SQL injection in a new customer search form. Which two changes are the best mitigations? Select two.
Question 6
A branch office uses a flat LAN, and a compromise on one user workstation could spread quickly to finance systems. Management wants finance workstations isolated from general users, but finance staff still need access to a central finance application and network printer. What is the best design change?
FAQ
Questions learners often ask
What does this SY0-701 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Trojan — The malware is most likely a trojan because it was installed as a fake utility and then behaved maliciously after the user ran it. Trojans often create persistence, change browser settings, contact a command server, or disable security tools. The key clue is that the software looked useful at first but delivered harmful behavior afterward. Why others are wrong: A worm is mainly about self-spreading to other hosts, which is not the main symptom here. A rootkit focuses on stealth and hiding, not necessarily the initial installation method shown. Ransomware would typically encrypt files or present a payment demand, which is missing in this case.
What should I do if I get this SY0-701 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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