host.exe进程详细介绍
host.exe is a process belonging to the Begin2Search advertising program. This process monitors your browsing habits and distributes the data back to the author's servers for analysis. This also prompts advertising popups. This process is a security risk and should be removed from your system.
病毒修改注册表 创建系统服务host32 实现自启动，弹出恶意广告窗口。