What is this....?

[Damstas]

I just found some file called invokesi.exe on my public files.
Is it a virus..?

[Lisandro]

Why don't you submit it to www.virustotal.com and post back?

[Damstas]

Date first seen:   2009-10-29 08:16:56 (UTC)
Date last seen:   2011-05-22 05:25:25 (UTC)
Detection ratio:   0/43
That was about invokesi.exe

Now dcmsvcsetup.exe

Date first seen:   2009-10-29 08:16:08 (UTC)
Date last seen:   2011-05-29 08:45:37 (UTC)
Detection ratio:   0/43

So no viruses.. Strange files :s

BTW. Is Eraser removing tool safe to use?