Hi all.  Just wanted to ask about some odd stuff I've noticed on one of my computers.  On a Win7 machine, every couple of days or so, File System AutoProtect will pick up BloodHound.281  via Heuristic scanning.  It never does anything in response but Log-Only, even though I have Action 1 and Action 2 set to either Quarantine or Delete the risk. 

The file it identifies is new each time but always resides in c:\users\username\AppData\Local\Temp\ and is always of a randomized filename starting with D, such as the most recent example, DWH7D67.tmp .  Every time I go to manually peruse the folder, of course such file or similar files are not to be found. 

A Full Scan never finds anything and definitions are updated daily.  I've had this for other a month on this PC now, no other odd behavior observed. 

This very same behavior with these DWxxxxxx.tmp files being flagged as a virus is something I have observed at some client sites for a few years now.  In the end I usually just rebuild the machine since SEP can never deal properly with the virus. 

I tried Symnatec Power Eraser but it found nothing. 

I really doubt I am dealing with a virus so potent that no manner of scanning will defeat it, so I am wondering if anybody knows of this issue and can make suggestions.  I believe this is a common issue because I've seen this at at least 3 of my clients sites in the past 2 years and now am seeing the same thing on one of my computers.  There is no common media shared amongst myself and my clients so the virus sources are different and I doubt I am the only IT person on earth so, I figure lots of others have seen this :)

Or perhaps this is just a false positive repeating over and over.  

Thanks anybody!