A-squared free是一款来自欧洲，可以清理隐藏于计算机中的恶意程序的软件。它的界面简单清楚，操作容易，而且还可以随时通过在线更新最新的恶意软件资料，不怕被新出的恶意软件感染。

主要功能：
- 移除在你计算机中的恶意软件。
- 保护你免被网络木马攻击。
- 保护你免被蠕虫攻击 (蠕虫病毒)
- 保护你的拨号器免被改变。
- 保护免被间谍软件搜集个人资料。
- 保护计算机免被有害软件修改。
- 让你控制计算机中程序。

Remove infections of Trojans, Spyware, Adware, Worms, Keyloggers, Rootkits, Dialers and other malicious programs.
4 million users world wide rely on a-squared to clean their PC from Malware.
Remarkable easy to use and completely free or charge.

Security must not be a privilege. Under this motto, Emsi Software provides the Malware scanner a-squared Free completely free of charge for private use. But it is not a very limited version, it is a full tool to clean your computer from Malware. Not only Spywares, as detected by classic Anti-Spyware programs, but also especially Trojans, Backdoors, Worms, Dialers, Keyloggers and a lot of other destructive pests, which makes it dangerous to surf the web.

更新：http://www.emsisoft.de/a2/changelog/free/
官网：http://www.emsisoft.com/en/software/free/
~Support Windows 98, ME, 2000, XP, 2003 Server and Vista~

a-squared Free v3.1.0.9 - 官方下载：(Free~)

下载文件

点击这里下载文件

其它几款免费产品下载参见：http://www.emsisoft.com/en/software/download