Malware other scan see: https://malwr.com/analysis/YmYyMmQ5ZWE3ZmYyNDZjNzhmYzUxYTk5YmEzZjJiMjk/ and here http://threatcenter.crdf.fr/?More&ID=148114&D=CRDF.BackDoor.IRC.Win32.PEx.C.3129273808 also consider: http://www.threatexpert.com/files/r4.exe.html - remote irc malware
polonus