Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'buizu' = '%HOMEPATH%\buizu.exe /j'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\svchost.exe
Creates the following files on removable media:
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\RCX4.tmp
- <Drive name for removable media>:\RCX6.tmp
- <Drive name for removable media>:\buizu_backup.exe
- <Drive name for removable media>:\RCX8.tmp
- <Drive name for removable media>:\RCX7.tmp
- <Drive name for removable media>:\Bloc-notes.exe
- <Drive name for removable media>:\buizu.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\Sexy.exe
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:
- '%HOMEPATH%\buizu.exe'
- '%TEMP%\svchost.exe'
- '%TEMP%\FAMILIY PENSION 168648 PO1 WINFRED KOJO AVULEKPOR SABAH.exe'
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\sj-bgttx.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA.tmp" "%TEMP%\vbc9.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\cznnb4il.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
Modifies file system :
Creates the following files:
- %TEMP%\hPxnq.resources
- %TEMP%\whatdafock.txt
- %TEMP%\KFPjw.resources
- %TEMP%\cznnb4il.exe
- %TEMP%\windowsupdate.ico
- %TEMP%\vbc9.tmp
- %TEMP%\RESA.tmp
- %TEMP%\sj-bgttx.out
- %TEMP%\sj-bgttx.0.vb
- %TEMP%\sj-bgttx.cmdline
- %TEMP%\RES2.tmp
- %TEMP%\1b008k33w.resources
- %TEMP%\MSNPSharp.dll
- %TEMP%\FAMILIY PENSION 168648 PO1 WINFRED KOJO AVULEKPOR SABAH.exe
- %TEMP%\gfLC.resources
- %TEMP%\svchost.exe
- %HOMEPATH%\buizu.exe
- %TEMP%\vbc1.tmp
- %TEMP%\cznnb4il.out
- %TEMP%\cznnb4il.0.vb
- %TEMP%\cznnb4il.cmdline
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\buizu.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\buizu.exe
Deletes the following files:
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Sexy.exe
- %TEMP%\windowsupdate.ico
- %TEMP%\vbc9.tmp
- %TEMP%\RESA.tmp
- <Drive name for removable media>:\Passwords.exe
- %TEMP%\cznnb4il.exe
- %TEMP%\vbc1.tmp
- %TEMP%\RES2.tmp
- %TEMP%\cznnb4il.0.vb
- %TEMP%\cznnb4il.cmdline
- %TEMP%\cznnb4il.out
Network activity:
Connects to:
- 'ns#.##siczipz.com':8000
- '17#.#3.169.14':80
UDP:
- DNS ASK ns#.##siczipz.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
