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Win32.HLLW.Autoruner2.40

Added to the Dr.Web virus database: 2013-12-25

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'Broadcom Wireless Manager UI' = '"%PROGRAM_FILES%\FireFox\chrome\en-US\locale\en-US\global\security\bcmntray.exe"'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'Microsoft IntelliType Pro' = '"%PROGRAM_FILES%\MSBuild\itype.exe"'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Belkin Wireless-G USB Adapter Client Utility' = '"%PROGRAM_FILES%\FireFox\chrome\toolkit\skin\classic\aero\global\radio\Belkinwcui.exe"'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft IntelliType Pro' = '"%PROGRAM_FILES%\FireFox\chrome\browser\skin\classic\itype.exe"'
Creates or modifies the following files:
  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\AdobeARM.exe
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.exe
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
Creates and executes the following:
  • '%TEMP%\Belkinwcui.exe'
  • '%TEMP%\Belkinwcui.exe' (downloaded from the Internet)
Executes the following:
  • '<SYSTEM32>\schtasks.exe' /CREATE /F /RL HIGHEST /SC MINUTE /MO 30 /TN "Microsoft IntelliType Pro" /TR "\"%PROGRAM_FILES%\MSBuild\itype.exe\""
  • '<SYSTEM32>\schtasks.exe' /CREATE /F /SC ONLOGON /TN "Microsoft Office 2007" /TR "\"%CommonProgramFiles%\Microsoft Shared\web server extensions\40\BCSSync.exe\""
  • '<SYSTEM32>\schtasks.exe' /CREATE /F /RL HIGHEST /SC MINUTE /MO 29 /TN "Broadcom Wireless Manager UI" /TR "\"%PROGRAM_FILES%\FireFox\chrome\en-US\locale\en-US\global\security\bcmntray.exe\""
  • '<SYSTEM32>\schtasks.exe' /CREATE /F /RL HIGHEST /SC MINUTE /MO 28 /TN "Belkin Wireless-G USB Adapter Client Utility" /TR "\"%PROGRAM_FILES%\FireFox\chrome\toolkit\skin\classic\aero\global\radio\Belkinwcui.exe\""
  • '<SYSTEM32>\schtasks.exe' /CREATE /F /RL HIGHEST /SC MINUTE /MO 25 /TN "Microsoft IntelliType Pro" /TR "\"%PROGRAM_FILES%\FireFox\chrome\browser\skin\classic\itype.exe\""
Modifies file system :
Creates the following files:
  • %CommonProgramFiles%\Microsoft Shared\web server extensions\40\~lhrsxbz.tmp
  • %CommonProgramFiles%\Microsoft Shared\web server extensions\40\BCSSync.exe
  • %PROGRAM_FILES%\MSBuild\itype.exe
  • %PROGRAM_FILES%\FireFox\chrome\en-US\locale\en-US\global\security\bcmntray.exe
  • %PROGRAM_FILES%\MSBuild\~nlyzqqh.tmp
  • %TEMP%\~yorrouy.tmp
  • %TEMP%\~03d9b264.tmp
  • %TEMP%\aut1.tmp
  • %HOMEPATH%\My Documents\My Pictures\~wlxbldg.tmp
  • %HOMEPATH%\My Documents\My Pictures\Steam.exe
  • %APPDATA%\Microsoft\SystemCertificates\My\CTLs\~ymtwjdt.tmp
  • %APPDATA%\Microsoft\SystemCertificates\My\CTLs\AdobeARM.exe
  • %TEMP%\Belkinwcui.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\version[1].txt
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\9d37560f22649cc740f3dcc7a381817f[1]
  • %PROGRAM_FILES%\FireFox\chrome\browser\skin\classic\itype.exe
  • %PROGRAM_FILES%\FireFox\chrome\en-US\locale\en-US\global\security\~oqjlcgz.tmp
  • %PROGRAM_FILES%\FireFox\chrome\browser\skin\classic\~eajmday.tmp
  • %PROGRAM_FILES%\FireFox\chrome\toolkit\skin\classic\aero\global\radio\~cxgareo.tmp
  • %PROGRAM_FILES%\FireFox\chrome\toolkit\skin\classic\aero\global\radio\Belkinwcui.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
Deletes the following files:
  • %CommonProgramFiles%\Microsoft Shared\web server extensions\40\~lhrsxbz.tmp
  • %CommonProgramFiles%\Microsoft Shared\web server extensions\40\BCSSync.exe
  • %PROGRAM_FILES%\MSBuild\~nlyzqqh.tmp
  • %PROGRAM_FILES%\MSBuild\itype.exe
  • %HOMEPATH%\My Documents\My Pictures\~wlxbldg.tmp
  • %TEMP%\aut1.tmp
  • %TEMP%\~yorrouy.tmp
  • %HOMEPATH%\My Documents\My Pictures\Steam.exe
  • <Drive name for removable media>:\autorun.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\AdobeARM.exe
  • %PROGRAM_FILES%\FireFox\chrome\toolkit\skin\classic\aero\global\radio\~cxgareo.tmp
  • %APPDATA%\Microsoft\SystemCertificates\My\CTLs\~ymtwjdt.tmp
  • %APPDATA%\Microsoft\SystemCertificates\My\CTLs\AdobeARM.exe
  • %PROGRAM_FILES%\FireFox\chrome\toolkit\skin\classic\aero\global\radio\Belkinwcui.exe
  • %PROGRAM_FILES%\FireFox\chrome\en-US\locale\en-US\global\security\~oqjlcgz.tmp
  • %PROGRAM_FILES%\FireFox\chrome\en-US\locale\en-US\global\security\bcmntray.exe
  • %PROGRAM_FILES%\FireFox\chrome\browser\skin\classic\~eajmday.tmp
  • %PROGRAM_FILES%\FireFox\chrome\browser\skin\classic\itype.exe
Network activity:
Connects to:
  • 'up####.gpr0xy.com':80
TCP:
HTTP GET requests:
  • up####.gpr0xy.com/9d37560f22649cc740f3dcc7a381817f
  • up####.gpr0xy.com/version.txt
UDP:
  • DNS ASK up####.gpr0xy.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'