Malware detection is not magic — it’s signatures, scanners, and logs.

In today’s Cyber Security practical lecture, I explain how to detect malicious files in Linux using ClamAV, exactly the way it’s done in real environments.

TIMESTAMPS (Malware Detection with ClamAV)
0:00 - Threat Hunting: Detecting Malware with ClamAV in Kali Linux
1:10 - Accessing the EICAR Repository: The Gold Standard for Malware Testing
1:24 - What is the EICAR Test File? Why Do Security Professionals Use It?
2:44 - Simulation Prep: Downloading the EICAR Signature File
3:11 - Initializing the Environment: Command Line Setup in Kali Linux
3:22 - ClamAV Architecture: Why it's the #1 Open-Source Antivirus Engine
3:55 - Engine Logic: How Signature-Based Malware Detection Works
4:12 - Installation Phase: Setting Up ClamAV via APT on Kali Linux
4:41 - Verification: Checking the ClamAV Engine Version & Databases
5:01 - Live Analysis: How to Scan a Specific File for Malicious Signatures
6:00 - THE BOOM MOMENT! Signature Match Detected Successfully
6:10 - Advanced Scans: Implementing Recursive Folder Analysis in Terminal
6:37 - Comparison: Analyzing "Clean" vs "Infected" File Results

Topics Covered
* What is EICAR Test File
* Purpose of EICAR in Cyber Security
* Kali Linux Malware Testing Basics
* What is ClamAV
* Why ClamAV Is Used
* Industry Demand of ClamAV
* Installing ClamAV in Kali Linux
* Verifying ClamAV Version
* Detecting Malware in a Specific File
* Recursive Malware Scanning of Folders
* Understanding Scan Results
* Malware Signature Detection
* Safe File vs Infected File Output

Practical Demonstration (Live on Kali Linux)
* Creating & downloading EICAR test malware
* Installing ClamAV using terminal
* Scanning a single file using ClamAV
* Scanning complete folders recursively
* Reading scan results clearly
* Understanding “Signature Found” vs “OK” status

This shows how antivirus engines work internally.

Who Should Watch This Video?
Cyber Security Students
Linux & Kali Linux Learners
Ethical Hackers
Blue Team & SOC Beginners
Anyone curious about real malware detection

Cyber Security Course – Module 6: System Security & Malware
This lecture builds the foundation for Malware Analysis, Threat Detection, and SOC tools.

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