I believe this to be a false positive, because the detections are all different. This is the result of www dot virustotal dot com scan
Antivirus
Result
Update
Fortinet
W32/AHK.G!worm
20160801
Ikarus
Worm.Autorun
20160801
Jiangmin
Trojan.Deshacop.iv
20160801
Malwarebytes
Trojan.MalPack
20160801
McAfee
Artemis!366299EB03D0
20160801
McAfee-GW-Edition
BehavesLike.Win32.Dropper.ch
20160801
VBA32
Trojan.Cossta
20160801
ALYac
20160801
AVG
20160801
AVware
20160801
Ad-Aware
20160801
AegisLab
20160801
AhnLab-V3
20160801
Antiy-AVL
20160801
Arcabit
20160801
Avast
20160801
Avira (no cloud)
20160801
Baidu
20160801
BitDefender
20160801
Bkav
20160801
CAT-QuickHeal
20160801
CMC
20160801
ClamAV
20160801
Comodo
20160801
Cyren
20160801
DrWeb
20160801
ESET-NOD32
20160801
Emsisoft
20160801
F-Prot
20160801
F-Secure
20160801
GData
20160801
K7AntiVirus
20160801
K7GW
20160801
Kaspersky
20160801
Kingsoft
20160802
eScan
20160801
Microsoft
20160801
NANO-Antivirus
20160801
Panda
20160801
Qihoo-360
20160802
SUPERAntiSpyware
20160801
Sophos
20160801
Symantec
20160801
Tencent
20160802
TheHacker
20160729
TrendMicro
20160801
TrendMicro-HouseCall
20160801
VIPRE
20160801
ViRobot
20160801
Yandex
20160731
Zillya
20160731
Zoner
20160801
nProtect
20160729
Launch Factorio.zip
Factorio_Launcher_Malpack_Detection.txt