I once saw a google search ad result for a malware version of GNU Cash. It was extremely easy to miss. The website was identical except the Windows download was replaced with malware instead of linking to Sourceforge. The malware installer was signed with a key from a random Taiwanese electronics company (likely stolen). I emailed DigiCert and got the cert revoked. None of the scanners on VirusTotal flagged the insta…
2022: https://www.bleepingcomputer.com/news/security/google-ad-for...
2015: (The SourceForge Fiasco) https://www.gimp.org/news/2015/05/27/gimp-projects-official-...
2013: https://www.gimpusers.com/forums/gimp-user/15999-adware-malw...