Trend Micro HijackThis is a free utility that generates an in-depth report of registry and file settings from your computer. For scanning and live protection, consider downloading Malwarebytes.

HijackThis does not determine what is good or bad. Do not make any changes to your computer settings unless you are an expert computer user.

Advanced users can use HijackThis to remove unwanted settings or files.

Using HijackThis:

To analyze your computer, start HijackThis and run a scan. See the Quick Start Guide [link to QuickStart, FAQs, and Feedback] for help running a scan. HijackThis will display a list of areas on your computer that might have been changed by spyware. Do not change any settings if you are unsure of what to do. Many popular support forums on the web provide free technical assistance by using HijackThis log files to diagnose an infected computer.

Not an expert? Just save the HijackThis report and let a friend with more troubleshooting experience take a look. Many users participate in online forums, where experts help interpret HijackThis scan results to clean up infected computers.

The last released Merijn version, 1.99.1, can be found here.

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