Thanks for the feedback. We've have multiple customers and support requesting this.
The next build of GetSusp will support a custom scanpath switch which will allow for scanning a specified directory or drive. Since this can result in many many files being reported - we limited the scan criteria to only executable files created/modified in the last 10 days by default.
getsusp.exe --scanpath=c:\ (scans all files in c:\ which has been modified in last 10 days by default)
getsusp.exe --scanpath=c:\ --date=15 (scans all files in c:\ and also allows for modifying date range)
This build is currently undergoing QA and should be posted on the forum next week.
Will this meet your requirement? Also - please escalate GetSusp malware misses (md5 will suffice) so that we can continue to improve the detection logic.