File just came through via an official update to Dota 2 64 Bit client, configurationsystem.dll, reported as a Win32:Evo-gen [Susp], but it’s extremely unlikely if not impossible due to Steam for viruses to actually be transmitted this way…
Scan from chest says ‘no viruses’.
Submitted a false positive report.
Virus total 0/54: https://www.virustotal.com/en-gb/file/b0a3c6d5f7fa1e12218c16cd6301008cfc2b9e1d0d6a61c26c58c55eae1e7e61/analysis/1410820158/