Library
My library

+ Add to library

Contact us
24/7 Tech support | Rules regarding submitting

Send a message

Your tickets

Profile

Win32.HLLW.Autoruner.49784

Added to the Dr.Web virus database: 2011-05-16

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /T'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /H'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /v'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /R'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /B'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /f'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /G'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /d'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /S'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /X'
  • [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\3512739456] 'Name' = '%TEMP%\2.tmp'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /i'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /c'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /O'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /u'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /a'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /P'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /M'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /E'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /N'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /k'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /J'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /l'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /W'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xktoux' = '%HOMEPATH%\xktoux.exe /z'
Creates the following files on removable media:
  • <Drive name for removable media>:\Documents.lnk
  • <Drive name for removable media>:\Passwords.lnk
  • <Drive name for removable media>:\Pictures.lnk
  • <Drive name for removable media>:\Video.lnk
  • <Drive name for removable media>:\Music.lnk
  • <Drive name for removable media>:\JKk.ico
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\xktoux.exe
  • <Drive name for removable media>:\New Folder.lnk
  • <Drive name for removable media>:\xktouxx.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%\ello1.exe'
  • '%HOMEPATH%\ello2.exe'
  • '%HOMEPATH%\dtyzqkBjO.exe'
  • '%HOMEPATH%\xktoux.exe'
Executes the following:
  • '<SYSTEM32>\cmd.exe' /c ""%TEMP%\7ZSfx000.cmd" "
  • '<SYSTEM32>\tasklist.exe'
Injects code into
the following system processes:
  • <SYSTEM32>\spoolsv.exe
Modifies settings of Windows Internet Explorer:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
Modifies file system :
Creates the following files:
  • %TEMP%\1.tmp
  • %TEMP%\Aqz..bat
  • %TEMP%\7ZSfx000.cmd
  • %WINDIR%\Temp\3.tmp
  • %HOMEPATH%\ello1.exe
  • %HOMEPATH%\dtyzqkBjO.exe
  • %HOMEPATH%\xktoux.exe
  • %HOMEPATH%\ello2.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\xktoux.exe
  • <Drive name for removable media>:\xktouxx.exe
  • <Drive name for removable media>:\JKk.ico
  • %HOMEPATH%\xktoux.exe
  • <Drive name for removable media>:\autorun.inf
Deletes the following files:
  • %WINDIR%\Temp\3.tmp
  • %TEMP%\7ZSfx000.cmd
  • %TEMP%\2.tmp
  • %HOMEPATH%\dtyzqkBjO.exe
  • %HOMEPATH%\ello1.exe
Moves the following files:
  • from %HOMEPATH%\ello2.exe to %TEMP%\4.tmp
  • from %TEMP%\1.tmp to %TEMP%\2.tmp
Deletes itself.
Network activity:
Connects to:
  • 'mi##span.in':80
UDP:
  • DNS ASK mi##span.in
  • DNS ASK bi#d.de
  • DNS ASK wi###edia.org
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'
  • ClassName: '94ger59' WindowName: 'wegtexwer'