Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Proyecto1' = '%WINDIR%\smms.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\info.exe
Malicious functions:
Creates and executes the following:
- '%WINDIR%\inf\csrss.exe' r
- '%WINDIR%\smms.exe' i
Modifies file system :
Creates the following files:
- %WINDIR%\inf\csrss.exe
- %WINDIR%\inf\diskini.xp
- %WINDIR%\smms.bat
- C:\ntldr
- %WINDIR%\smms.exe
Sets the 'hidden' attribute to the following files:
- %WINDIR%\smms.bat
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\info.exe
- %WINDIR%\smms.exe
- %WINDIR%\inf\csrss.exe
- %WINDIR%\inf\diskini.xp
Deletes the following files:
- %TEMP%\~DFC4BA.tmp
- %TEMP%\~DFD70F.tmp
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''