Malwarebytes :anti-malware download

Malwarebytes Anti-Malware PRO Features:

Flash - Lightning fast scan speeds
Thorough - Full scans for all drives
Works Well With Others - Cooperative functionality
Puts YOU first! - Priority database updates
Puts Malware in the Slammer - Quarantine function holds threats and lets you restore at your convenience
Talk to the hand - Ignore list for both the scanner and Protection Module
For Your Pleasure - Customizable settings enhance performance
Lock It Down - Password protect key program settings
Chameleon - Gets Malwarebytes running when blocked
Toolbox - Extra utilities to help remove malware manually
Nitty Gritty - Command line support for quick scanning
RPP, Yeah You Know Me - Realtime Proactive Protection Module
Hablamos Everything! - Multi-lingual support (Klingon still in beta)
Support for XP, Vista, and 7 (32-bit and 64-bit)