Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'System API service' = 'winproc.d11 /run'
Malicious functions:
Creates and executes the following:
- '<SYSTEM32>\winproc.exe' /SERVICE
Modifies file system :
Creates the following files:
- <SYSTEM32>\winproc.d11
- <SYSTEM32>\winproc.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\winproc.d11
- <SYSTEM32>\winproc.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
