False Positive for PhysX Installer

Downloaded straight from steam so I am absolutely sure that this is a false positve. It caught it twice.
Once in the downloading folder and once again in it’s permanent folder.

COMODO Internet Security Pro 2013 Logs
Table : Antivirus Events
Date Created : 2013-09-09 09:43:57
Records count : 1
Date Location Malware Name Action Status
2013-09-09 09:28:06 E:\Steam\SteamApps\downloading\7850\PhysX\PhysX-9.12.0613-SystemSoftware.exe TrojWare.Win32.Refroso.ae@277427289 Detect Success
End of The Report

[attachment deleted by admin]

Hello vgchat,

Please submit the detected sample using the following link so we can check it:

Thank you!

Best regards,

Hi thank you but I cannot submit the file as it is 34 MB. Is there a alternative place you would like me to send it?

  1. Upload it to VirusTotal, or

  2. Upload it to sendspace.com and share the link.

Here is virustotal

Nice catch, buddy!

And here is sendspace link

Hello vgchat,

This False Positive will be fixed soon.

Best regards,


This is to inform you that false-positive with has been fixed.
You can update to AV database Version <16917> of Comodo Internet Security Version<6.2.285401.2860> and confirm it.

Best Regards

C.O.M.O.D.O. - China