My computer is uploading around 30-40 GB a day to the internet. I have run Avast, Hitman Pro, Microsoft Malicious Software Removal Tool, Tdsskiller, Kaspersky, Spybot, Microsoft safety scanner and Malwarebytes. All say my system is clean, nothing found. I am running Networx, it does show I am uploading about 10 gig a day and what programs are doing it but that does not equal what my router is saying I am uploading. According to my router I am uploading crazy amounts of data, 30-40 GB a day. I am running Win7. I am not sure what else to do and I really do not want to have to wipe my computer and start over. HELP???
Attach your basic diagnostic logs. (MBAM and FRST)
Instructions: https://forum.avast.com/index.php?topic=194892
THANKS FOR THAT LINK!! 
super helpful. I followed the directions and attached in the info.
Even though Malwarebyte found a few issues which it resolved, I am still uploading around 2 gb per hour.
I don’t see malware in logs but I see Dropbox and Backblaze online backup applications. Did you check are they backing up your data to cloud? Also check OneDrive.
Yes, the programs are backing up and using data but it is just maybe 20% of what is actually being uploaded. (using a program to monitor what is uploading) The rest of the uploaded data is a mystery… 40 gig a day for a home laptop is a lot.
Can you attach screenshot of monitoring program output?