Hello and welcome to
TSF.
Sorry for the delayed response. The forum has been very busy.
You posted logs from several tools, which were not requested; but not included the Panda active scan report, which you mentioned in the title of your post as having found a downloader.
If you still need help please follow the instructions in
IMPORTANT - Read This Before Posting A Log and post the two text files,
main.txt and
extra.txt produced by the
Deckard's System Scanner.