Hello

when run the file UpdateInstaller.exe detected as FilerepMalware[Metagen]
was corrected on update VPS,but still avast detects now UpdateGenerator.exe as Win32:Evo-gen[susp]

https://www.virustotal.com/en/file/f9633213b3f5740a06533b6c0858b554626d0bf58c66b9569d7a64abef872d4a/analysis/1439345949/

Detection Heuristic

http://www.trendmicro.com/vinfo/us/threat-encyclopedia/malware/mal_otorun

is a false positive Autorun.inf (Mcafee)
https://www.virustotal.com/en/file/8afccf16d8c8d400e6dbc0c18ac35df3023979c4ce603bcd4310ed3f2144fc02/analysis/

Send the file to be analyzed use virus@avast.com

create a ticket https://support.avast.com/Tickets/Submit/RenderForm/100/&cls04&ptf08&lic04&scr05