Requirements: s60v1v2 mobile phone, Xplore, sisboom application Procedures: 1st: Open LCG Xplore then press '0' and check 'Show ROM Drive' box then press back. 2nd: Make a folder and name it as you desired and inside that folder make a sub-folder named "e" then inside that "e" folder make a sub-folder named "system" and inside that "system" folder make a sub-folder named "apps" 3rd: Go to z:/system/apps/ and select any single folder that your virus will lock/disable for example you choose 'Menu' folder then copy that entire folder including it's file contents then go back to the folder that you have created before and paste the 'Menu' folder in "yourfolder/e/system/apps" 4th: Open your Sisboom application and pack the folder that you have created to create a S60v1& S60v2 sis file locker virus. Done! Virus/Bug Effect: When someone installed your Menu locker virus in a s60v1&2 mobile phone he/she will never access his/her MENU even if he/she press it a billion times and this bug will never be detected by any Anti-Virus applications nor PC AVs!