Best Free Intrusion Prevention and Detection Utility for Home Use (HIPS)

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Gone are the days when a virus was a virus and everything else was - well – different! Now known collectively as “Malware” these threats are constantly evolving and pose a serious challenge to security software. Signature based scanners give the most reliable detection results but these are limited by the frequency of their database updates. To compliment signature recognition software HIPS programs were developed which look for behavior on your PC which is “characteristic of malware activity”. The user is then presented with an alert to either allow or block the event. Some programs automate this process which can occasionally lead to problems. See my article “HIPS Explained” which deals with this and other issues in more detail.

Evaluating the performance of HIPS programs is far from easy and any so called “test results” should be viewed with a degree of caution. It is straightforward enough to feed malware files to a selection of signature scanners and then count what they find to arrive at a score. AV Comparatives provides an admirable service here and the results are always consistent and reliable. There is no such definition line possible for testing HIPS software and my feeling is that some of the vendors may possibly use this to their own advantage (“hype”).

Review Criteria
My objective in reviewing this software is to help users make an informed choice about the suitability of the products for their own requirements. In addition to information obtained from the various producers, I have used two methods to collect the necessary data and tried to present my analysis in a factual and entertaining manner. Part of my review is based on personal usage of the software concerned and I will be updating information about my component set-up on this page. I have also used third party data collected from sources I know to be reliable such as other forums where I have known some of the posters for several years. In reality no one can ever duplicate the system you use and the software reviewed may react quite differently between one PC and another. Ultimately, the best way to judge the suitability of these programs for yourself is to try them.

Malware Defender was formerly a commercial program, but this excellent HIPS changed ownership a while back and a new version was released as freeware. The sequence of events relating to this event is set out quite nicely here if anyone is interested. Just follow the thread through.

I'd like to state at the outset that this type of program is not for the faint hearted. To use it effectively, and avoid the possibility damaging your system, you will need a reliable knowledge of Windows processes and services. You will also need to pay close attention to the information displayed in the alerts, and the options associated with each one. Luckily, the program installs by default into learning mode which reduces the number of initial alerts to a minimum. That said, it's essential that you only install Malware Defender into a clean system otherwise you'll just be creating "allow" rules for your malware collection to function normally. Everyone has their favorite apps for system cleaning, but my choice would be these. First scan with your resident antivirus and then with HitmanPro and Malwarebytes. You might also like to look at the VBA32 Antirootkit program which will tell you which sections of its scan came up "clean" and which need some further investigation. It will also check the digital signatures of all your files. Anything identified as suspicious can be uploaded to Virus Total for a final check.

In addition to the usual file, registry and application modules, Malware Defender also provides network protection should you choose to enable it, including a connections monitor. This makes it the ideal companion for anyone using Windows own firewall, but wanting more detailed control. It also scores very highly in the Matousec tests for those inclined to value the results.

It was difficult to know exactly where to place Malware Defender in terms of a review rating. For what it does it's an excellent performer but the complexities of using it make it unsuitable for average users. Mistakes can be rectified by changing rule permissions from the log entries, although if you've already denied a vital system function, your screen might now be empty!

WinPatrol has been helping to protect computers for more than ten years. With DSA now only available as part of the Privatefirewall package the options for standalone programs of this type have been reduced still further. Maybe then this is the right time to re-visit an old favorite of many users which is still in development and more than capable of providing this extra layer of security.

WinPatrol has many advocates and has recently been upgraded to achieve greater compatibility for Vista and Windows 7 users. It's main objective is to warn you about alterations to your system which may be malware generated. It does this by taking a snapshot of your system settings and alerting you to any changes. WinPatrol operates using a heuristic approach which makes it more likely to find new malware than traditional signature based scanners which are heavily reliant on updates.

WinPatrol will alert you to new program activations as well and is effective across a whole range of malware including worms, trojans, cookies, adware and spyware. Even stuff designed to replicate itself on your system is with WinPatrol's reach. You can also use WinPatrol to filter unwanted cookies and IE add-ons. An added bonus is that WinPatrol will also deal with the problems it finds so you won't need another program to do this for you.

As of V19.0, WinPatrol becomes a "Cloud Edition". Mostly the extra features will only benefit users of the paid Plus version.  One part of the WinPatrol Cloud though is a poll where the WinPatrol community of users can provide personal feedback on files that are detected. The poll data will be available to both FREE and PLUS users.

The author, Bill Pytlovany, provides support and has an interesting comments and resource blog here:

http://billpstudios.blogspot.com/

MJ Registry Watcher is another application that maybe not too many people are aware of. It is a simple registry, file and directory hooker/poller that safeguards the most important startup files, registry keys, and other more exotic registry locations commonly attacked by Trojans. It has very low resource use, and is set to poll every 30 seconds by default, although you can adjust this if required. A configuration file stores all your settings for future use. MJRW not only polls the system, but it also hooks it, so that most changes to keys, files and directories are reported instantaneously. Key deletions are still caught by the polling loop though, since they cannot be hooked. Exactly which keys and files are protected can be completely configured by the user, although the sets supplied with MJRW will cover most standard PCs. You do need better than average knowledge to get the best from this software but users in this category who prefer to combine small light applications to create a layered security solution should definitely check it out. Installation is not required, simply run the program from whichever directory you un-zip it to.

The program now also includes: Process Launch Monitoring, Folder and File Hooking, EMailing of Alerts and Quarantining of Files and Directories. 

There is an active thread for this software at Wilders forum here: http://www.wilderssecurity.com/showthread.php?t=54666 The author, Mark Jacobs, also maintains a range of other free software on his website and will respond to emails for support if requested.

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