Quick Answer
The correct answer is adware. Adware is specifically designed to generate revenue by bombarding users with intrusive advertisements, often manifesting as sudden pop-ups and browser redirects after software installation. The technical mechanism involves adware injecting malicious code into the browser or system processes to hijack web sessions, forcing unwanted ads without the user’s consent. On the Security+ SY0-701 exam, this scenario tests your ability to distinguish adware from other malware types like spyware or browser hijackers; a common trap is confusing adware with a PUP (potentially unwanted program), but adware’s primary symptom is aggressive ad display, not data theft. For a memory tip, remember that adware’s goal is to “advertise, not encrypt”—unlike ransomware, it doesn’t lock files, it just annoys you with pop-ups.
This SY0-701 practice question tests your understanding of threats, vulnerabilities, and mitigations. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A help desk technician reports several workstations are suddenly showing lots of pop-up ads and browser redirects after users installed a free media player. What type of unwanted software is most likely present?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Ransomware
Why wrong: Ransomware encrypts or locks data for payment, which is not the behavior described here.
Adware
Adware commonly causes pop-ups, redirects, and unwanted advertising behavior after installation.
Rootkit
Why wrong: Rootkits hide malicious activity from the operating system and are not defined by ads.
Logic bomb
Why wrong: A logic bomb triggers on a condition or date, rather than causing ad-supported redirects.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Adware
Adware is the most likely culprit because it is a type of unwanted software designed to display intrusive advertisements, often through pop-up ads and browser redirects. The infection vector—users installing a free media player—is a classic distribution method for adware, which bundles itself with legitimate software to generate revenue via ad impressions. Unlike ransomware or rootkits, adware does not encrypt files or hide its presence; it directly manipulates browser sessions to serve ads.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Ransomware
Why it's wrong here
Ransomware encrypts or locks data for payment, which is not the behavior described here.
Adware
Why this is correct
Adware commonly causes pop-ups, redirects, and unwanted advertising behavior after installation.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Rootkit
Why it's wrong here
Rootkits hide malicious activity from the operating system and are not defined by ads.
Logic bomb
Why it's wrong here
A logic bomb triggers on a condition or date, rather than causing ad-supported redirects.
Common exam traps
The trap here is that candidates may confuse the symptoms of adware with ransomware or a rootkit because pop-ups and redirects can sometimes be caused by more severe malware, but the specific context of a free media player installation points directly to adware as the most likely type of unwanted software.
Detailed technical explanation
Adware often modifies browser settings by injecting malicious JavaScript or changing proxy configurations (e.g., via WPAD) to redirect traffic to ad servers. It may also install browser extensions or modify the Hosts file to hijack DNS queries for popular sites, forcing redirects to affiliate pages. In real-world scenarios, adware like 'SearchProtect' or 'Conduit' bundles with freeware and uses registry run keys (e.g., HKCU\Software\Microsoft\Windows\CurrentVersion\Run) to persist across reboots.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A security analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Threats, Vulnerabilities, and Mitigations — This question tests Threats, Vulnerabilities, and Mitigations — Read the scenario before looking for a memorised answer..
The correct answer is: Adware — Adware is the most likely culprit because it is a type of unwanted software designed to display intrusive advertisements, often through pop-up ads and browser redirects. The infection vector—users installing a free media player—is a classic distribution method for adware, which bundles itself with legitimate software to generate revenue via ad impressions. Unlike ransomware or rootkits, adware does not encrypt files or hide its presence; it directly manipulates browser sessions to serve ads.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This SY0-701 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SY0-701 exam.
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