Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'UAGRM' = '%WINDIR%\MS_LINUX.EXE'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\Vacio.exe
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\uagrm.exe
Malicious functions:
Creates and executes the following:
- %TEMP%\AQUI ESTOY!!!.EXE
Modifies file system :
Creates the following files:
- %HOMEPATH%\My Documents\My Pictures\aaaaaaaa.bmp
- %WINDIR%\MS_LINUX.EXE
- %TEMP%\AQUI ESTOY!!!.EXE
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\uagrm.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'MS_WINHELP' WindowName: ''