"Better safe than sorry" - every loser told you that one time, just cheat with brain.
This repository contains every counter-strike 1.6 private/public cheats available. You can also contribute.
Sure not. I am not responsible if you get get banned by VAC, sXe, myac, gameguard or whatever anticheat bans you.
Here's a trick. If you want to cheat on public gameservers, just write in launch options -insecure. This disable VAC and you can use the cheats without stress just on VAC.
Indeed, russian spy's everywhere. Some of the .exe (if not all) triggers your anti-virus. It's a false-positive announce, nothing to worry about. If you are really paranoid, use sandbox and virustotal, or any methods available.
Althought, models, config files, sound files, rc files are 99% clean, if they don't use C++, but also the rest of 1% is a false-positive.