Ad-Aware SE
Personal 1.06 - a new version is releasedWebsite - Download - Freeware
Quote from the website - With Lavasoft’s all new Code Sequence Identification (CSI) technology, you will not only be protected from known content, but will also have advanced protection against many of their unknown variants. To further protect you, Ad-Aware SE Personal Edition also has the capability to scan and list Alternate Data Streams (ADS) in NTFS enabled volumes. In combination with the new scanning engine, Ad-Aware SE will scan your computer faster and more thoroughly than ever before!