The anti-rootkit detectors gone for a test and the result: Bypassed!
1. Rootkit Unhooker v3.01 BYPASSED
2. Rootkit Revealer v1.71 BYPASSED
3. F-Secure Blacklight BYPASSED
4. DarkSpy v1.05 BYPASSED
5. DarkSpy v1.05fixedbeta2 BYPASSED
6. IceSword v1.20 BYPASSED
7. GMER v1.012 BYPASSED
8. Helios v1.1a BYPASSED
9. SVV v2.3 BYPASSED
10. McAfee Rootkit Detective BYPASSED
11. Sophos AntiRootkit BYPASSED
12. TrendMicro RootkitBuster BYPASSED
13. AVG AntiRootkit BYPASSED
14. AVZ v4.23 ARK Module BYPASSED
15. BitDefender Rootkit Uncover BYPASSED
16. Panda AntiRootkit BYPASSED
17. Panda Tycan BYPASSED
18. modGreeper v0.3 BYPASSED
19. flister BYPASSED
20. UnHackMe BYPASSED
21. SEEM v4.x BYPASSED
22. SafetyCheck v1.5.x BYPASSED
23. Avira AntiRootkit BYPASSED
24. HiddenFinder v1.301 BYPASSED
25. RkDetector v0.6 BYPASSED
Details at http://forum.sysinternals.com/forum_posts.asp?TID=9630&PN=1