"If anyone wants the file to analyse please tell me."
What, the one that 'disappeared'?
Personally, I don't - but if you're convinced, you can try uploading to jotti for analysis - although the results may not be definitive - false positives and misses are common
Based on what you're claiming, that's not exactly 'evidence' - the only surefire way of determining infection would be a series of AV scans using a variety of reliable applications
Common sense is the best protection of all - don't execute files from unknown or suspicious sources
I'm not one of those who think Bill Gates is the devil. I simply suspect that if Microsoft ever met up with the devil, it wouldn't need an interpreter.