Hello, what can you say about this file “kdiiis.exe”? this is clearly a Trojan, it is suspected that a substitute for the original explorer.exe file in the windows xpsp3, anti-virus does not react to it.
it is not possible to say much just from a file name…a name is just a name :
upload suspicious file(s) to www.virustotal.com and test with 40+ malware scanners
when you have the result, copy the url in the address bar and post it here for us to see