What is Spyware:
The administrator of any site you visit can find out your IP (then your location, place of work, ISP), hostname, language settings, operating system, browser/version, screen resolution, referrer (site you came from), and exit page (site you left to). A prolific advertising system can find out even more since they can track your movement across several websites to get an overall picture of what you are interested in, and allow them to target you with relevant advertising.
The first spyware started out as a simple persistent browser cookie which assisted in doing this. Over the years the line between spyware, viruses, and email worms was so blurred that the terms became interchangeable. Today any self-respecting antivirus package will include a module dedicated to detecting spyware.
To me, Spyware is any unwanted part of a software package that is installed, or launched without user consent that doesn’t have a simple built-in method to remove or stop it. At best, this will needlessly consume memory and CPU resources slowing down both your PC and internet connection. At worst, it will forcibly flood you with advertising, render your system helpless, and/or turn your PC into a spam mail distribution drone which will get your IP blacklisted on many mail servers. In some cases it will distribute itself to all your email contacts (including family and business associates). I’ve listed below some helpful tips and my favorite software to detect and counter-act this type of threat on windows XP.
Know Your Startups:
Startups are programs which are launched automatically with windows. Some of them announce their presence by displaying an icon next to your system clock. Others just lurk silently consuming your resources. If you don’t want a particular piece of software to launch automatically, first look within its options for any setting to disable automatic startup. If you can’t find any such option you’ll have to stop the program from starting up manually.
While you can look within the startup folder on the start menu, or use the built-in msconfig tool, or even check the run/runonce keys within your registry, but you will only be scratching the surface. The best and simplest tool to detect and disable startups is called Autoruns. It can be downloaded freely here.
Autoruns was created by an outfit called sysinternals which not long ago was taken over by Microsoft. Luckily MS decided to maintain and update their utilities as freeware. Once you run it, autoruns will automatically scan your system and within a few seconds have a list of all startups categorized by type.
Click thumbnail to enlarge:
Unless you know what you’re removing the recommended method is to uncheck the checkbox next to a particular startup (as opposed to deleting it), and if on the next reboot you find that you want it back, you can simply check it. The difficult part is telling which startups it is safe to remove. To assist with this, autoruns will display the full path of each item, which company it was manufactured by, and if you right click the item, and select search online, it will automatically search for that item within your browser. (on firefox it will use whichever search engine is listed first on your search bar). Alternately you can export the list and email it to someone more technical to review. Autoruns will even allow you to remove annoying items from your windows/IE context (right-click) menu.
Tagged Technical



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