Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'cttmon.exe' = '<SYSTEM32>\cttmon.exe'
Creates or modifies the following files:
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\Microsoft® DirectX Diagnostic Tool Updates.lnk
- %HOMEPATH%\Start Menu\Programs\Startup\Microsoft® DirectX Diagnostic Tool Updates.lnk
Creates the following files on removable media:
- <Drive name for removable media>:\SpoolBin.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- 'C:\RECYCLER\S-1-5-21-2847125355-358004884-1566868893-1122\csrss.exe'
- 'C:\RECYCLER\S-1-5-21-2847125355-358004884-1566868893-1122\smss.exe'
Modifies file system :
Creates the following files:
- C:\SpoolBin.exe
- C:\autorun.inf
- C:\RECYCLER\s-1-5-21-448539723-1482476501-725345543-1005\{e9012ace45d-e89121acd-de891edc}-ms\2013-06-27-06-30-43-PM.ini
- C:\RECYCLER\S-1-5-21-2847125355-358004884-1566868893-1122\csrss.exe
- C:\RECYCLER\S-1-5-21-2847125355-358004884-1566868893-1122\smss.exe
- <SYSTEM32>\dxdiagupdt.exe
- <SYSTEM32>\cttmon.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- C:\SpoolBin.exe
- C:\RECYCLER\S-1-5-21-2847125355-358004884-1566868893-1122\csrss.exe
- <Drive name for removable media>:\SpoolBin.exe
- <SYSTEM32>\cttmon.exe
- C:\RECYCLER\S-1-5-21-2847125355-358004884-1566868893-1122\smss.exe
- C:\autorun.inf
- <SYSTEM32>\dxdiagupdt.exe
Deletes the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\SpoolBin.exe
- %TEMP%\~DF3FAD.tmp
- %TEMP%\~DF58F7.tmp
Moves itself:
- from <Full path to virus> to %PROGRAM_FILES%\Temporary downloads\Active scritps\{89756EC-89913CB-00F1CE}-TIP\HIVE06271363039PM.exe
Deletes itself.
Miscellaneous:
Searches for the following windows:
- ClassName: '(null)' WindowName: '0 Sm9ssE2039 E smss.exe 893'
- ClassName: '(null)' WindowName: '0 Sm9ssE2039 E csrss.exe 893'
- ClassName: '(null)' WindowName: '0 Sm9ssE2039 E INSTALLER 893'
- ClassName: '(null)' WindowName: '0 Sm9ssE2039 E SpoolBin.exe 893'
