I'm currently running dmd v2.098.0 and 2.096.0 on MacOS Big Sur (11.6.2) and am running into an issue with AVG antivirus.

Apparently, anything processing strings from the standard library matches the virus signature shown on the subject line. It quarantines all object files produced from any of the following:

 import std.stdio: writef;
 writef("%s", "This is a test!\n");

 import std.file: read;
 auto data = read("somefile.txt");

 import std.conv: to;
 auto d = to!double("1.6");
 //or
 auto s = to!string(1.6);

import std.utf;
auto ndx = toUCSindex(`hello world`, 7);

I just ran into this yesterday.

/N!one

Report a false positive detection: https://www.avg.com/en-us/false-positive-file-form

On Tuesday, 21 December 2021 at 08:53:28 UTC, Kagamin wrote:

Tried to. Result:

"Access Denied
You don't have permission to access "http://www.avg.com/en-us/false-positive-file-form" on this server.

Reference #18.cf641102.1640080015.1523dcde"

On Tuesday, 21 December 2021 at 10:07:48 UTC, N!one wrote:

Consult with AVG.

Nothing any of us can really do or help you with.

It's not an issue with D, but with your AV.

On Tuesday, 21 December 2021 at 11:34:46 UTC, bauss wrote:

The situation has turned to bad this year because of ransomware written in D.

Even a hello world built with D may trigger many AV software.
If you sell software to consumers it's catastrophic because the users blame you the vendor.

Please do your part and submit D programs that trigger AV to antivirus vendors.
D cannot succeed if people cannot physically run the programs.

On Tuesday, 21 December 2021 at 13:22:41 UTC, Guillaume Piolat wrote:

Really ?? Finally there you have it D's killer app/feature...

On Tuesday, 21 December 2021 at 14:36:37 UTC, Arjan wrote:

Truly a killer LOL

On Tuesday, 21 December 2021 at 08:53:28 UTC, Kagamin wrote:

I tried to. The result I got was:

Access Denied
You don't have permission to access "http://www.avg.com/en-us/false-positive-file-form" on this server.

Reference #18.cf641102.1640080015.1523dcde