Win32.HLLW.Autoruner1.61081
Added to the Dr.Web virus database:
2013-11-12
Virus description added:
2013-11-13
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /H'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /F'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /Q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /O'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siauza' = '%HOMEPATH%\siauza.exe /G'
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>:\Porn_backup.exe
- <Drive name for removable media>:\RCXE.tmp
- <Drive name for removable media>:\Secret_backup.exe
- <Drive name for removable media>:\Bloc-notes.exe
- <Drive name for removable media>:\Passwords_backup.exe
- <Drive name for removable media>:\RCXB.tmp
- <Drive name for removable media>:\siauza_backup.exe
- <Drive name for removable media>:\RCX17.tmp
- <Drive name for removable media>:\RCX1A.tmp
- <Drive name for removable media>:\RCX11.tmp
- <Drive name for removable media>:\Sexy_backup.exe
- <Drive name for removable media>:\RCX14.tmp
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\siauza.exe
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\RCX6.tmp
- <Drive name for removable media>:\RCX7.tmp
- <Drive name for removable media>:\RCX8.tmp
- <Drive name for removable media>:\RCX4.tmp
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\Passwords.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
- '%HOMEPATH%\siauza.exe'
- '%TEMP%\svchost.exe'
- '%TEMP%\Secret.exe'
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES13.tmp" "%TEMP%\vbc12.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\djdy-0qa.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES10.tmp" "%TEMP%\vbcF.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\bob06mni.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES19.tmp" "%TEMP%\vbc18.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\jnff6b8t.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES16.tmp" "%TEMP%\vbc15.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\qqrvecow.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\oj9hab74.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%\vuv0siyl.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESD.tmp" "%TEMP%\vbcC.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\bogumsj7.cmdline"
Network activity:
Connects to:
- 'ns#.###nsearcher.net':8000
- '17#.#3.169.14':80
UDP:
- DNS ASK ns#.###nsearcher.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
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