Credits go to the original developer “Los @ E*pvp”. This is not a repost because the addon isn’t the same 100%.
What I’ve changed: updated the addon for the current game version, changed a few text here and there, readjusted the frame size, made it transparent and also movable by left clicking and dragging.
How to:
Decompress in your Interface\AddOns folder
To build fake achievement links, choose your achievement from the panel, press ALT+CLICK on it, edit the date and finally, press on “Generate link”. You should then see the link in the chat frame.
Here is a screenshot of it in use:
Virus Scan and Download Link
Pass is "mmowned"