acad.exe is a application which is most likely legit. So, if acad.exe is on your PC, it is most likely ok, and will NOT be a cause for concern. Even if your PC is virus-free, it is still recommended to use a well-known antivirus with a good track record, in order to defend your PC against potential security problems.
This application is usually stored in C:\Program Files (x86)\Forestall\Acad.exe.
The MD5 checksum for this file is 69dbd85329c95795e41ae5c200ca2ec8.
This application is NOT registered as a Windows service. This is good.
This executable uses the net to communicate. Today this is expected from a program. For example, most of the apps on your computer check for updates. In order to do this, Internet communications are necessary.
This program runs in 32-bit mode. It can not use the full set of features of modern PC CPUs. This is quite normal because the publishers did not bother to upgrade it to use the x64 instruction set.
The description written in the file is Acad.
File version stored as a property 0.0.0.0.
Legal copyright .
acad.exe appears to have visible windows. This is good because it doesn't work in a kind of stealth mode. Its operation is clearly displayed to you.
A digital certificate is missing from this program. The publisher did not sign it. This is usually bad.
This program starts at Windows startup. Yes
This program does NOT have a removal routine set up in registry.