There's a good chance that aqadcup.exe is spyware or adware. After backing up your system, you should remove this file. It's a good idea to scan your PC to be sure of the file's exact status.

aqadcup has been linked to Backdoor.Agent.bg, which is a known form of malware. You should clean your system as soon as possible. Since viruses can have the same name as legitimate files, it's important that you backup your drive before removing any of your files. To be sure that you are not removing essential files, use Computer Associates' free scan of your PC.

If aqadcup.exe has been found on your PC, there is a good chance that there is more spyware that hasn't been found yet. Get a free scan of your computer by clicking here.