Generating Trend Micro HijackThis logs for malware analysis

This article shows you how to create a HijackThis log which you can use to help you check for malicious software in your computer.

What is HijackThis?
HijackThis is a free tool that quickly scans your computer to find settings that may have been changed by spyware, malware or any other unwanted programs. The tool creates a report or log file with the results of the scan.

How do I download and use Trend Micro HijackThis?
Download and run HijackThis
To download and run HijackThis, follow the steps below:


  1. Click the Download button below to download HijackThis.



  2. Right-click HijackThis.exe icon, then click Run as administrator.


  3. Read the License Agreement, then click I Accept.
    Accept the license agreement


    The Trend Micro HijackThis window will appear.
    HijackThis Console


Do a system scan and save a logfile
  1. Run the HijackThis Tool.
  2. Click Do a system scan and save a logfile.
    Do a system scan and save a log file


    The hijackthis.log text file will appear on your desktop.
    HiJackThis log


  3. Check the files on the log, then research if they are malicious or not.
  4. Tick the checkbox of the malicious entry, then click Fix Checked.
    HijackThis Fix


Check and fix the hostfile
  1. Go to the "C:\Windows\System32\Drivers\Etc" directory, then look for the hosts file.
  2. Rename "hosts" to "hosts_old".
  3. Run the HijackThis Tool.
  4. Click Open the Misc Tools section.
    Open the Misc Tools section


  5. Click Open Hosts File Manager.
    Open Hosts File Manager


    A "Cannot find the host file" prompt should appear.
  6. Click Yes to create a default host file.
    Create new hosts file


Video Tutorial

Applies To: Antivirus+ Security - 2015;Antivirus+ Security - 2016;Antivirus+ Security - 2017;Internet Security - 2015;Internet Security - 2016;Internet Security - 2017;Maximum Security - 2015;Maximum Security - 2016;Maximum Security - 2017;Premium Security - 2015;Premium Security - 2016;Premium Security - 2017;Titanium AntiVirus + - All;Titanium Internet Security - All;Titanium Internet Security for Dell - 2011;Titanium Maximum Security - All;Titanium Premium Security - All;Titanium Smart Surfing for PC - All;Trend Micro AntiVirus plus AntiSpyware - All;Trend Micro Internet Security Pro - All;

Last Updated: Oct. 31, 2016 2:41 AM (PST)
Solution ID: 1037994