Win32:Citadel-K is detected as hazardous Trojan infection which belongs to Win32:Citadel-K's family of banking Trojans. This group of Trojan poses great threat for target computer system due to its backdoor capabilities and keylogger abilities. Once sneak inside the PC, it capture keystrokes, monitor online browsing activities and steal data associated with your banking account details and credit card numbers. Not only this, it modifies system master boot record and allows hackers to easily access your system to perform several malicious activities. If not removed earlier, it will make your system more and more vulnerable by dropping several other potential threats. So, once detected, it is suggested to delete Win32:Citadel-K as quick as possible.