Chances are it is malware.
Please submit "eato.exe" to Virus Total --
http://www.virustotal.com/flash/index_en.html
The submission will then be tested against 18 different AV vendor's scanners.
Another way to submit is to send the suspect file to the following email address
scan<at>virustotal.com
{ replace <at> with @ } with only the word SCAN as the subject.
Please post back the EXACT results.