1: 消滅間諜程式(AD-AWARE 2007 FREE)適用平台: Windows2000/XP/ Vista
http://www.lavasoft.com/products/ad_ware_free.php
2. 防護功能全面(Spybot-Search&Destroy)適用平台: Windows98/2000/XP
http://www.safer-networking.org/ct/mirrors/index.html
3. 解救系統問題(HifackThis) 適用平台: Windows98/ME/2000/XP/Vista
http://trendsecure.com/portal/en-US/tools/security_ttos/hjackthis
4. 而除Rootkit專用(AVG Anti-Rootkit Free)適用平台: Windows98/ME/2000/XP/Vista
http://free.grisoft.com/doc/download-free-anti-rootkit/us/frt/0
5. Rookit無料殺手(Panda Anti-Rootkit)適用平台: WindowsXP/ Vista
http://www.pandasecurity.com/enterprise/solutions/antirootkit
6.輕型防毒軟件(avast! Home Edition)適用平台: Windows98/ME/2000/XP/Vista
http://avast.com/eng/download-avast-home.html
7.防範惡意電郵(SPAMfighter)適用平台: Windows98/ME/XP/Vista
http://www.spamfighter.com/Download_Download.asp