http://www.ewido.net/en/product/

QUOTE
Features of AVG Anti-Spyware

NEW Completely renewed user interface
NEW Possibility to create exceptions
NEW Shredder for secure file deletion
NEW XP Antispy
NEW BHO Viewer
NEW LSP Viewer
Heuristics to detect unknown threats
Scanning and cleaning of the Windows registry
Support for NTFS-ADS scanning
Daily database updates
Patch proof by using strong signatures
Analysis tools (startup, connections and processes)
Intelligent online-update
Scan inside archives
Secure detection and deletion of DLL-Trojans
Generic crypter detection through emulation
Generic binder detection
Free E-Mail Support
Automatic Clean Engine
Quarantine for suspicious files
Multilingual User Interface

Additional features of the Plus-Version

NEW Scheduled scans
Real-time monitoring of the entire system
Memory Scan detects active threats
Self-protection at kernel layer guarantees gapless monitoring
Automatic online-update