Right click the process and select Open File location and you will be able to see what the process it.
EDIT: have just seen that you can't open the location! Sorry..
A tool like Process Explorer (https://technet.microsoft.com/en-us/sysinternals/processexplorer.aspx) should be able to tell you what the process is and where it is.
You can also try a search across your computer for (abc123.exe) and see which folder comes up as the culprit.
You may be able to disable the culprit by going to start > Run (or windows key + R) > msconfig > OK and then going to the startup tab and disabling anything that looks dodgy (if you break anything doing this, boot to safe mode and re-enable things) 
These processes are definitely suspicious at the very least. You should start cleaning your machine as soon as you can. Most Antivirus/Anti-Malware/Alty-Spyware applications these days can catch most stuff, but industry experts predict they can have as low as a 20% detection rate for advanced infections. The easiest way to try and catch everything is to install and update a free AV, scan with it, cleanup anything thats found and then uninstall and move onto another one. Some recommendations for good freebies:
Alternatively, you may want to consider backing up your data and formatting your disk - but dependant on the infection you find, this may be overkill.
Hope this helps.
