Sony "RootKit" software found again

[ZWarrior]

From the website of F-Secure, manufacturer of security software:

We received a report that our F-Secure DeepGuard HIPS system was warning about a USB stick software driver. The USB stick in question has a built-in fingerprint reader. The case seemed unusual so we ordered a couple of USB sticks with fingerprint authentication. We installed the software on a test machine and were quite surprised to see that after installation our F-Secure BlackLight rootkit detector was reporting hidden files on the system.

Link: http://www.f-secure.com/weblog/#00001263