smartdefrag.exe is a application which is most likely NOT a virus. So, if smartdefrag.exe is on your system, it is most likely ok, and will NOT be a cause for concern. Even if your PC is virus-free, we still advise you to run a well-known antivirus with a good detection rate, in order to defend your system against viruses and malware.
Normally, this application is stored in C:\Program Files (x86)\IObit\Smart Defrag\SmartDefrag.exe.
The MD5 fingerprint for this executable is 73f7d65301da6016448986cba12976b1.
This program is NOT a Windows service. This is very good.
This program uses the Internet to communicate. Today this is expected from a program. For example, most of the apps on your PC check for updates. In order to do this, Internet communications are required.
This app runs in 32-bit mode. It does not exploit the full set of features of modern PC processors. This ordinarily happens because the publishers did not upgrade it to use the x64 instruction set.
smartdefrag.exe appears to have visible windows. This is good because it doesn't run in a kind of invisible mode. Its activity is clearly displayed to the user.
A digital signature is missing from this program. The maker did not bother to sign it. This is probably bad.
This application does NOT have an uninstall routine stored in registry.