Virus

[BigRedBot]

Some anti-virus software may falsely detect this program as a virus.

It is a false positive.

You may need to add an exception in your antivirus software to allow this program to run.

The script itself is open source and may be examined by anyone for malicious code.

https://www.autoitscript.com/wiki/AutoIt_and_Malware

And

http://blog.nirsoft.net/2009/05/17/antivirus-companies-cause-a-big-headache-to-small-developers/