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 1.34 (February 11th, 2009):
* (FIXED) Removing registry keys with corrupt permissions.
* (FIXED) Removal of drivers now improved.
* (FIXED) Improved memory usage (more to come!)
* (FIXED) Certain types of freezing during full scan.
* (FIXED) Improved full scan times significantly.
* (ADDED) Better detection techniques for the real-time protection module.
* (ADDED) Directories now counted as items scanned.
* (ADDED) Disinfection for certain USB spread infections (Conficker).
* (ADDED) New command line parameter: /schedule (see help file).
Homepage - http://www.malwarebytes.org