Executes dropped EXE

Loads dropped DLL

Modifies system executable filetype association

Registers COM server for autorun

Adds Run key to start application

Checks installed software on the system

Looks up Uninstall key entries in the registry to enumerate software on the system.

Drops desktop.ini file(s)

Writes to the Master Boot Record (MBR)

Bootkits write to the MBR to gain persistence at a level below the operating system.

Checks system information in the registry

System information is often read in order to detect sandboxing environments.

Drops file in System32 directory