incorrect timezone detection for Kaliningrad +3

FULL PRODUCT VERSION :
java version "1.6.0_30"
Java(TM) SE Runtime Environment (build 1.6.0_30-b12)
Java HotSpot(TM) 64-Bit Server VM (build 20.5-b03, mixed mode)

and _27 too

ADDITIONAL OS VERSION INFORMATION :
Windows 7 Enterprise 64bit SP1

A DESCRIPTION OF THE PROBLEM :
TimeZone.getDefault(); returns TZ UTC-4.5 (VET) for Kaliningrad UTC+3

REGRESSION. Last worked in version 6u29

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1. set up TZ Kaliningrad +3 in windows 7 settings.
2. call TimeZone.getDefault();


EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
correct timezone. since october 2011 Russia and Belarus made changes in TZ.
ACTUAL -
VET timezone

REPRODUCIBILITY :
This bug can be reproduced always.