Open Source Anti Virus - ClamAV

ClamAV is an open source (free) anti-virus engine, support stream scanning using Java API. It’s come with an advanced tool such as online virus pattern database update.

ClamAV supports in Unix, Linus, MaxOS and Window. ClamAV is under Cisco Systems and can be reliable.

In this article, I am going to demonstrate how to install ClamAV in Window and write a sample java application to send a file for scanning.

1. Download and install ClamAV.
• Download "clamav-0.99-x64.msi" at http://www.clamav.net/documents/installing-clamav.
• Double click on "clamav-0.99-x64.msi" to start the installation by selecting default options.
• ClamAV is installed in folder C:\Program Files\ClamAV-x64 if you follow default options.
2. Configure ClamAV.
• Copy clamd.conf.sample and freshclam.conf.sample from C:\Program Files\ClamAV-x64\conf_examples\ to C:\Program Files\ClamAV-x64\.
• Rename clamd.conf.sample to clamd.conf.
• Rename freshclam.conf.sample to freshclam.conf.
• In clamd.conf, 
• comment "Example" in line number 8.
• uncomment "TCPSocket" in line number 101.
• uncomment "TCPAddr" in line number 109.
• In freshclam.conf,
• comment "Example" in line number 8.
• Run freshclam using command prompt to download antivirus database.
• Start ClamAV by run clamd using command prompt.
  
  
3. Test ClamAV
• Go to folder C:\Program Files\ClamAV-x64.
• Run clamscan and scan all files in the directory.
  
  
4. Write a sample JAVA Program
• Download clamavj-0.1.jar and org.apache.commons.logging.jar at http://soniyj.altervista.org/blog/free-solution-for-check-infected-files-with-java-and-clamav/?doing_wp_cron=1456213243.7796299457550048828125
• Create Test.java and copy below code:

  import com.philvarner.clamavj.ClamScan;
  import com.philvarner.clamavj.ScanResult;
  
  import java.io.*;
  import java.io.FileInputStream;
  
  public class Test {
   
   public static void main(String args[]) {
    System.out.println("Start");
    ClamScan clamScan = new ClamScan("127.0.0.1", 3310, 20);
    
    try {
     ScanResult result = clamScan.scan(new FileInputStream("D:\\14k.png"));
     System.out.println(result.getStatus());
    } catch (FileNotFoundException e) {
     e.printStackTrace();
    }
    
    System.out.println("End");
   }
   
  }
  

• Compile Test.java using the command:

  javac -cp clamavj-0.1.jar;org.apache.commons.logging.jar Test.java
  

• Run Test.java using the command:

  java -cp .;clamavj-0.1.jar;org.apache.commons.logging.jar Test
  

• The code actually sending "D:\14k.png" to scan and return pass. Passed means the file is clean.
  

References:

http://www.clamav.net/
http://soniyj.altervista.org/blog/free-solution-for-check-infected-files-with-java-and-clamav/?doing_wp_cron=1456213243.7796299457550048828125\

Another JAVA Example for ICAP Anti-Virus Protocol. Its not related to ClamAV, just in case needed:
https://github.com/Baekalfen/ICAP-avscan