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The victims ranged from individuals to companies, schools, a police department and government entities including one owned by a subsidiary of the US Department of Energy.
According to the DoJ:
(It) enabled him to control each computer by accessing stored data, uploading files, taking and downloading screenshots, logging a user’s keystrokes, and turning on the camera and microphone to surreptitiously record images and audio.It said he saved millions of images, kept detailed notes on what he observed, and designed it to alert him if a user typed words associated with pornography. more
(He) used the malware to steal the personal data of victims, including their logon credentials, tax records, medical records, photographs, banking records, internet searches, and potentially embarrassing communications.