Trojans are a problem that is growing rapidly online, causing headaches for millions of computer users around the globe. The trojan known as generic24 is spread by opening malicious attachments received via email. If a website visited has been infected with the trojan, it can also spread in this manner. Once generic24 has infected the machine, it will start to download viruses that become active once the computer is restarted. If the problem is identified, it is important to remove it from the machine quickly. This will help eliminate the potential for further issues on the machine.