How important is this Key? It seems to be related to generating a crash file. MBAM is currently detecting it and removing it.
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AvastSvc.exe
"GlobalFlag" = 33554432
"PageHeapFlags" = 3 -- [2011/02/06 07:46:13 | 000,000,000 | ---D | M]