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Profil

Win32.HLLW.Autoruner1.52026

Added to the Dr.Web virus database: 2013-07-23

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] '26639' = '%ALLUSERSPROFILE%\Local Settings\Temp\ccaiehua.pif'
Creates the following files on removable media:
  • <Drive name for removable media>:\Thumbs.db
  • <Drive name for removable media>:\Removable Disk (1GB).lnk
  • <Drive name for removable media>:\desktop.ini
  • <Drive name for removable media>:\ \desktop.ini
  • <Drive name for removable media>:\_WLF.init
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:
  • '%TEMP%\_install_\msiexec.exe'
Executes the following:
  • '<SYSTEM32>\wuauclt.exe'
Injects code into
the following system processes:
  • <SYSTEM32>\wuauclt.exe
Modifies file system :
Creates the following files:
  • %TEMP%\03.tmp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\daxtqjgdextqnkdaxtqnkhaxtqnkdaje[1]
  • %TEMP%\04.tmp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\eeejdduatttzsskyppjoaaanzzzeyypt[1]
  • %TEMP%\02.tmp
  • %TEMP%\01.tmp
  • %TEMP%\_install_\msiexec.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\isisdydsdsdsdsysynyiyisisinidydd[1]
  • %ALLUSERSPROFILE%\Local Settings\Temp\ccaiehua.pif
Sets the 'hidden' attribute to the following files:
  • <Full path to virus>
Deletes the following files:
  • %TEMP%\03.tmp
  • %TEMP%\04.tmp
  • %TEMP%\01.tmp
  • %TEMP%\02.tmp
Network activity:
Connects to:
  • 'a.##bea.in':80
  • 'b.##bea.in':80
  • 'c.##bea.in':80
  • 'localhost':1036
  • '20#.#6.232.182':80
  • '8.#.8.8':80
TCP:
HTTP GET requests:
  • c.##bea.in/eeejdduatttzsskyppjoaaanzzzeyypt
  • b.##bea.in/daxtqjgdextqnkdaxtqnkhaxtqnkdaje
  • a.##bea.in/isisdydsdsdsdsysynyiyisisinidydd
HTTP POST requests:
  • 8.#.8.8/xxxxxxxxx.php
UDP:
  • DNS ASK b.##bea.in
  • DNS ASK c.##bea.in
  • DNS ASK www.up####.microsoft.com
  • DNS ASK a.##bea.in
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: '(null)'