Update apt_gamaredon.txt
Update apt_gamaredon.txt

https://www.virustotal.com/gui/file/88bfff95ea88434bed2237e1c0193f4aaa9766962b700b3cd298d8a0d19952d4/behavior
stamparm/maltrail,stamparm/maltrail,stamparm/maltrail,stamparm/maltrail