Ad-Aware

(anti-spyware)

 free for personal. non commercial use

AxHelper

(spots and manages installed ActiveX controls, useful also to find malware downloaded though IE)

BHOScanner

(removes BHOs – Browser Helper Object )

CCleaner

(utility to remove traces and useless Windows’ files)

ClamWin

(antivirus)

Dr. Web

(antivitus)

Doctor Alex

(anti spyware – malware)

Elite Toolbar Remover

(anti spyware – malware)

Enable/Disable Windows Firewall

(activate or disactivate Windows XP’s firewall)

FirewallPApi

(firewall)

HiJack-This

(a very good security tool also for spyware removal)

Kamomilla

(running processes and start-up programs analyzer)

KillSgrunt

(anti-malware)

Look2Me Remover

(anti spyware – malware)

My Popup Killer

(pop-ups and advertising windows blocker)

RegScanner

(powerful search engine in Windows’ Registry)

Spybot S&D

(anti spyware)

free for personal. non commercial use

Startup Manager

(start-up manager)

Startup Run

(start-up manager)

Toolbar Cop

(looks for and removes self-installing IE toolbars)

Traffic Emulator

(traffic emulator in various protocols to put under stress servers and firewalls)

Yaps

(port scanner)