312-39 Proactive Threat Detection Practice Question
You are conducting a threat hunt for persistence. Which THREE locations in the Windows Registry should you include in your hunt as common targets for persistence?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
HKCU\Software\Classes\CLSID
Run keys, Services, and COM hijack locations are classic persistence vectors.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
HKLM\System\CurrentControlSet\Control\Nls\Language
Why it's wrong here
This key holds language settings and is not a common persistence vector.
- ✓
HKCU\Software\Classes\CLSID
Why this is correct
COM hijacking is a sophisticated method used for persistence.
- ✓
HKLM\System\CurrentControlSet\Services
Why this is correct
Malware often installs itself as a service to ensure it runs on startup.
- ✗
HKLM\Software\Microsoft\Windows NT\CurrentVersion\FontSubstitutes
Why it's wrong here
This key controls font mappings, rarely used for malicious persistence.
- ✓
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Why this is correct
The 'Run' key is the most common persistence location for malware.
About these practice questions
This 312-39 question is part of Courseiva's 202-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official EC-Council exam blueprint
This 312-39 practice question is part of Courseiva's free EC-Council 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 312-39 exam.