1 Disable the Self-Defense.
2 Exit Kaspersky by using the trayicon.
3 Start ganjin_ktr_2012.exe and press the -Reset- button.
4 Wait for Kaspersky to launch and activate your new trial period.
Done!
Note: Your computer has to reboot when resetting 2012 versions of Kaspersky.
Believe me the best and 100% working Kaspersky+Pure+Trial+Resetter can be found on below site with no regret.
http://hacktonic.blogspot.com/2014/02/latest-kaspersky-reset-trial-final.html
Enjoy!!!