How to bypass antivirus detection of keylogger

In my previous post "Which spyware keylogger to choose" i told you about best keyloggers and spywares availible now a days to hack email accounts,but after that i received huge amount of email and readers asked me that is there any way to avoid antivirus detection while installing a keylogger remotely.so today i will tell you about a software,by which you can bypass antivrus detection while