我怎么处理这些广告信息？

今天用木马客星扫描了一下硬盘　　结果发现好多广告信息C:\WINDOWS\Downloaded Program Files\cnshint.dll 怀疑为3721广告C:\WINDOWS\Downloaded Program Files\CnsMinDT.dll 怀疑为3721广告C:\WINDOWS\Downloaded Program Files\keepmain.dll 怀疑为3721广告C:\WINDOWS\Downloaded Program Files\CONFLICT.1\AutoLive.dll 怀疑为3721广告C:\WINDOWS\Downloaded Program Files\CONFLICT.1\AutoLive.dll 怀疑为yisou广告C:\WINDOWS\Downloaded Program Files\CONFLICT.1\CnsMin.dll 怀疑为3721广告C:\WINDOWS\Downloaded Program Files\CONFLICT.2\AutoLive.dll 怀疑为3721广告C:\WINDOWS\Downloaded Program Files\CONFLICT.2\AutoLive.dll 怀疑为yisou广告C:\WINDOWS\system32\idnoe.dll 怀疑为CNNIC广告C:\WINDOWS\system32\msapi.dll 怀疑为木马.C:\WINDOWS\Temp\CNS.EXE 怀疑为3721广告木马客星又删不掉它们　　我该怎样处理呢？