Keylogger is 100% invisible keylogger not only for users, but also undetectable by antivirus software. keylogger Monitors all keystokes, Mouse clicks. It has a seperate process which continues capture system screenshot and send to ftp server in given time.

An Archive of Ransomware Notes Past and Present Collected by Zscaler ThreatLabz

CryptoLocker is open source files encrypt-er. Crypto is developed in Visual C++. It has features encrypt all file, lock down the system and send keys back to the server. Multi-threaded functionality helps to this tool make encryption faster.

It is primary designed to be hidden and monitoring the computer activity. Take a screenshot of desktop in hidden mode using Visual C++ and save automatically to 'jpeg' file in every 30 second. 60+ Most Popular antivirus not detect this application while it is running on background.