After encryption  will capture the desktop background window set the background color to black and change the desktop wallpaper to a newly created bitmap image with the text All your files are encrypted! For more information see README-FOR-DECRYPT.txt.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: After encryption  will capture the desktop background window set the background color to black and change the desktop wallpaper to a newly created bitmap image with the text All your files are encrypted! For more information see README-FOR-DECRYPT.txt. ### Response: T1491.001.