Further Spyware Detection Tools for Portable Boot CDs
In addition to the perennially popular Ad-aware, you should also consider the following utilities. When used in conjunction no spyware threat will be able to pass undetected.
Spybot Search & Destroy - For deep cleaning scans for spyware, you need Spybot Search & Destroy, a free utility that offers excellent functionality. This tool is so well-regarded that some users will use it exclusively.
Designed to remove the spyware that hijacks your browser homepage, adds toolbars to your browser that you didn't install and prevent your data from being farmed and sold on for profit, Spybot Search & Destroy will also find spyware that is less obvious.
In fact Spybot - Search & Destroy Personal Edition can be ordered from the developers pre-installed on a bootable CD, which is a useful backup option to have.
HijackThis - A useful addition to any recovery disk, HijackThis will help you find problems in the Windows system registry, allowing you to track down specific threats on the PC.
When run, HijackThis will scan your PC and display a list of files and folders that have been changed by spyware. Using the tool is easy, and you can run it "out of the box" after installation without changing any of the defaults and still achieve favorable results. Compatible with Windows 98 or later operating systems and Internet Explorer 6 or later, HijackThis also features a process manager tool that can be used to shutdown running processes (such as suspected spyware) on your PC.
You might also consider keeping an archive of some more specific adware removal tools such as VunduFix, which removed the Vundu adware Trojan.