Trojan.Downloader.Cutwail is a trojan virus that usually infects the system through P2P file sharing programs, or by visiting malicious websites while surfing the net. Trojan.Downloader.Cutwail installs itself without the user being aware of the process, therefore is very hard to detect. This malware is also able to acquire its ‘updates’ online. As a result even more malicious software is able to enter the infected system, causing more damage. Trojan.Downloader.Cutwail consolidates its existence by saving its files at the system registry, so that it would become even more difficult to remove. Please note that Trojan.Downloader.Cutwail is a harmful virus application therefore it should be removed upon detection using the following instructions.