OpenEuphoria

It is Phix, as linked to on the main Edita page.
If you have not noticed anything amiss, you can delete it. I use a variety of online services to check for viruses, an example report can be seen here. I think you'll agree that with 39 out of 42 passing it as clean, the 3 that imagined some infection (different for each) which none of the others detected must be "false positives".

Regards,
Pete