Also not particularly cool to say this like someone's intentionally distributing a virus.
It's fairly well documented that servers like this have modded clients via inclusion of .dll files that do things like push updates or include anti-cheat measures. Your anti-virus will flag this activity...
1. No
2. Probably not
3. Not entirely
I've only been here for a few weeks because I got the itch to pick up PSO again and start a new character, but I initially played for a day or so on Gamecube because I didn't know if I wanted to pick up BB. I had played BB all the way back to the beta test...