What is ST5UNST.EXE?
This filename actually pops up in several different scenarios.
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For example I’ve heard of an Uninstall program for Visual Basic 5’s Setup
Toolkit that’s called ‘ST5UNST.EXE’.
I’m assuming that if an anti-virus program has flagged the file as a
problem, then it is indeed the virus in question. It’s probably safe to allow
the AV program remove it, but if you formerly had a legitimate program by that
name, you may need to reinstall it someday … if it ever turns out to be a
problem. (It may not.)