Avast only put it in the Virus Chest. This has happened 31 times since 18th June. I’ve run the boot time scan (4 or 5 times) which Avast suggests immediately after Avast says its put the file in the Virus Chest, but it doesn’t seem to have any effect.

It relates to C:\Windows\TEMP\CS1.tmp which purports to relate to MalwareDetect.exe (which I don’t think I’ve installed - unless its part of one of the many anti-virus programs I’ve installed to try to combat it). Other than than, Avast reports that, at the time of writting “Everything is good”