Update, courtesy of a kind user over in the Gog forums. These are accurate as at yesterday.
Game*
setup_the_witcher_3_wild_hunt_2.0.0.52.exe f1d812d4109cfd501532e0ce809a62e8*
setup_the_witcher_3_wild_hunt_2.0.0.52-1.bin 9530d241b92006531f056a7958a42c0a*
setup_the_witcher_3_wild_hunt_2.0.0.52-2.bin 24421c2876b562c4cc271b5d6eddea48*
setup_the_witcher_3_wild_hunt_2.0.0.52-3.bin 28838eefad337d9ae23afd6f0dd70daf*
setup_the_witcher_3_wild_hunt_2.0.0.52-4.bin c67220ebc92dd4b2dc58519eecafde4d*
setup_the_witcher_3_wild_hunt_2.0.0.52-5.bin 6cacb4725ed68f10c9bf05b493d30573*
setup_the_witcher_3_wild_hunt_2.0.0.52-6.bin 30cdca55306b6656ff5a5f8052846c51*
setup_the_witcher_3_wild_hunt_2.0.0.52-7.bin 914da23c00a219f2f410e60008138c38*
16 Free*
setup_the_witcher3_dlc1-16_2.0.0.52.exe b79ed6ce0911e6726dd28c3cd5fd1e29*
HOS*
setup_the_witcher3_exp1_2.0.0.52.exe 0ecbc96b5ffaa2693b4941383b48702c*
setup_the_witcher3_exp1_2.0.0.52-1.bin b7a86dccc93b596015caa4440e95df35*
BAW*
setup_the_witcher3_exp2_2.0.0.52.exe 126e118356dac50363bed8cf1f844fd7*
setup_the_witcher3_exp2_2.0.0.52-1.bin 45b2b3af40dbe44f7311427844b77d49*
setup_the_witcher3_exp2_2.0.0.52-2.bin 3a95d344873fdbc06c39b2aeaad30a38
Source:
https://www.gog.com/forum/the_witcher_3_wild_hunt/new_installers_for_tw3/page5
