Sony Micro Vault Fingerprint Access Software, as distributed with Sony Micro Vault USM-F USB flash drives, installs a driver that hides a directory under %WINDIR%, which might allow remote attackers to bypass malware detection by placing files in this directory.
http://www.securityfocus.com/archive/1/478365/100/0/threaded
http://www.securityfocus.com/archive/1/478357/100/0/threaded
http://www.securityfocus.com/archive/1/478315/100/0/threaded
http://www.securityfocus.com/archive/1/478149/100/0/threaded
http://www.f-secure.com/weblog/archives/archive-082007.html#00001266
http://www.f-secure.com/weblog/archives/archive-082007.html#00001263
http://www.computerdefense.org/?p=380
http://securityreason.com/securityalert/3118
http://observed.de/?entnum=101
http://hiltont.blogspot.com/2007/08/sony-rootkit-version-2.html