Key Features:
* Support for windows 2000, XP, and Vista.
* Light speed quick scanning.
* Ability to perform full scans for all drives.
* Malwarebytes' Anti-Malware Protection Module. (requires registration)
* Database updates released daily.
* Quarantine to hold threats and restore them at your convenience.
* Ignore list for both the scanner and Protection Module.
* Settings to enhance your Malwarebytes' Anti-Malware performance.
* A small list of extra utilities to help remove malware manually.
* Multi-lingual support.
* Works together with other anti-malware utilities.
* Command line support for quick scanning.
* Context menu integration to scan files on demand.
Changes in Version 1.37 (May 26th, 2009):
* (FIXED) Dramatically improved product updating.
* (FIXED) /runupdate now completely silent, including errors.
* (ADDED) Protection module now 64-bit compatible (XP SP2 and higher only).
* (ADDED) New 32-bit protection module for XP SP2 and higher.
* (ADDED) New heuristics for Trojan.JSRedir and other infections.
* (ADDED) Type of scan displayed on scanning page.
* (ADDED) Support for Arabic and Estonian language.
Homepage - http://www.malwarebytes.org