When you download a keygen or an "Xforce" activator, you are essentially running an executable file from an unverified source. These files are notorious for being masks for malicious software.
Sometimes, you can find legitimate, used boxed versions of older CorelDRAW suites on reputable secondary markets, though you must ensure the serial key is transferable.
Most keygens are flagged by antivirus software for a reason. They often contain Trojans, ransomware, or spyware that can steal your passwords, encrypt your files, or give hackers remote access to your system.