Backdoor.Shark, also knwon as Backdoor.Win32.Shark.x, is the latest in malicious applications. Being a form of a Trojan-Backdoor, Backdoor.Shark is a malicious program with backdoor functionality. This means that Backdoor.Shark gives an attacker unauthorized access to a system. After gaining access to the computer, the attacker will then have control over the system without the knowledge or consent of the user. Backdoor.Shark severely compromises the security and privacy of a system as any changes can be made to the machine so it can be in control of the attacker and may be used for malicious purposes. Backdoor.Shark is a backdoor Trojan application which records keystrokes and sends them to a remote server. It is best to remove Backdoor.Shark as soon as it has been deteced within a system.