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Win32.HLLW.Autoruner2.18430

Added to the Dr.Web virus database: 2014-11-26

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'AdopeUpdate' = 'C:\GoogleChrome\GoogleUpdate.lnk'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'NewJavaInstall' = 'C:\GoogleChrome\GoogleChrome.exe /AutoIt3ExecuteScript C:\GoogleChrome\GoogleChrome.a3x'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'AdopeFlash' = 'C:\GoogleChrome\GoogleChrome.exe /AutoIt3ExecuteScript C:\GoogleChrome\GoogleChrome.a3x'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Update' = 'C:\GoogleChrome\WindowsUpdate.lnk'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Update' = 'C:\GoogleChrome\WindowsUpdate.lnk'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'JavaUpdate' = 'C:\GoogleChrome\GoogleUpdate.lnk'
Creates or modifies the following files:
  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\GoogleUpdate.lnk
  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\Windows Update.lnk
Creates the following files on removable media:
  • <Drive name for removable media>:\Hot.lnk
  • <Drive name for removable media>:\My Videos.lnk
  • <Drive name for removable media>:\Downloads.lnk
  • <Drive name for removable media>:\MozillaFirefox\MozillaFirefox.lnk
  • <Drive name for removable media>:\Movies.lnk
  • <Drive name for removable media>:\My Pictuers.lnk
  • <Drive name for removable media>:\MozillaFirefox\GoogleChrome.exe
  • <Drive name for removable media>:\MozillaFirefox\GoogleChrome.a3x
  • <Drive name for removable media>:\MozillaFirefox\GoogleUpdate.lnk
  • <Drive name for removable media>:\My Games.lnk
  • <Drive name for removable media>:\MozillaFirefox\WindowsUpdate.lnk
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:
  • 'C:\GoogleChrome\GoogleChrome.exe' C:\GoogleChrome\GoogleChrome.a3x
Executes the following:
  • '<SYSTEM32>\wbem\wmiadap.exe' /R /T
  • '<SYSTEM32>\systeminfo.exe'
Modifies file system :
Creates the following files:
  • C:\GoogleChrome\GoogleChrome.a3x
  • C:\GoogleChrome\WindowsUpdate.lnk
  • C:\GoogleChrome\GoogleUpdate.lnk
  • %TEMP%\aut1.tmp
  • C:\GoogleChrome\GoogleChrome.exe
  • %TEMP%\aut2.tmp
Deletes the following files:
  • <SYSTEM32>\wbem\Performance\WmiApRpl.ini
  • <SYSTEM32>\PerfStringBackup.TMP
  • %TEMP%\aut1.tmp
  • %TEMP%\aut2.tmp
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''