Sophos released a free rootkit detector:
http://www.sophos.com/products/free-tools/sophos-anti-rootkit.html
SysInternals has one too:
http://www.sysinternals.com/Utilities/RootkitRevealer.html
http://www.sophos.com/products/free-tools/sophos-anti-rootkit.html
SysInternals has one too:
http://www.sysinternals.com/Utilities/RootkitRevealer.html