flowxcoin wth/ what is flowxcoin btc giveaway

i just got a message from someone at 12:13 am saying i was selceted for a bitcoin giveaway it listed me in 2nd place and 2 other people in first and 3rd ive tried reaching out to these people a few minutes ago and i get they might be busy but still. has this happened to anyone else? what do i do? is it legit ? i know nothing about it. ive have claimed the btc and my antivirus didnt flag the site