Was it actual malware? I thought it was just automatically checked software like the Ask.com toolbar for Internet Explorer, along with the Oracle.com JAVA JRE. Maybe I was just more careful than most, but I have been using FileZilla for many years, and never had any of these issues as long as I paid attention to the installer and what was included.
You got a chuckle out of me with such a specific reference that I know I got auto-installed too. I don't know, personally, but I do recall reading accounts of malware from them from around that era.
I suppose I would call what I saw "Grayware" [1], which is debatably not malware (but debatably is, too). It was enough of a smell for me to stop using their site, though. I'd actually just forego software I was seeking out from them instead.
I definitely don't deny that what they did was definitely not on the "up and up", for sure. Dark patterns, and I haven't heard the term "grayware" before, but it definitely fits! I was only lucky because I actually watch installers, and tend to mess with install locations, strictly when it comes to Windows software. I would prefer to be on a Linux-distro for work, but it's honestly just easier for me to stick with Windows because I have to help so many other people, and I know I would eventually end up losing the (current) knowledge of what can go wrong with Windows. Over time, I would be out of touch.
I only learned the term grayware from this thread. I wasn't sure precisely what did and didn't qualify as malware, so I checked Wikipedia and found it there.
As for the Windows fear, I understand that. That was me 10+ years ago, and I _am_ less knowledgable at helping people with Windows these days. I can still figure some things out by searching, and "I couldn't figure it out after 5-10 minutes" has turned out to be an acceptable answer too sometimes :)