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Win32.HLLW.Autoruner.53210

Added to the Dr.Web virus database: 2011-07-04

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paodaa' = '%HOMEPATH%\paodaa.exe /j'
  • [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\2505097616] 'Name' = '"%TEMP%\3.tmp"'
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>:\rbD.ico
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\paodaa.exe
  • <Drive name for removable media>:\New Folder.lnk
  • <Drive name for removable media>:\paodaax.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%\yoggy.exe 
  • %HOMEPATH%\paodaa.exe 
  • %HOMEPATH%\W9YCs4kNf5a6.exe 
  • %HOMEPATH%\xoggy.exe 
Executes the following:
  • <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] '1A10' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{AEBA21FA-782A-4A90-978D-B72164C80120}' = ''
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{A8A88C49-5EB2-4990-A1A2-0876022C854F}' = ''
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
Modifies file system :
Creates the following files:
  • %TEMP%\2.tmp
  • %WINDIR%\Temp\4.tmp
  • %TEMP%\Rlb..bat
  • %HOMEPATH%\paodaa.exe
  • %HOMEPATH%\W9YCs4kNf5a6.exe
  • %HOMEPATH%\xoggy.exe
  • %HOMEPATH%\yoggy.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\paodaa.exe
  • <Drive name for removable media>:\paodaax.exe
  • <Drive name for removable media>:\rbD.ico
  • %HOMEPATH%\paodaa.exe
  • <Drive name for removable media>:\autorun.inf
Deletes the following files:
  • %WINDIR%\Temp\4.tmp
  • %HOMEPATH%\W9YCs4kNf5a6.exe
  • %TEMP%\3.tmp
  • <DRIVERS>\etc\hosts
Network activity:
Connects to:
  • 'so###links.in':80
TCP:
HTTP POST requests:
  • so###links.in/ads76tds76d76.php?in##############################################################################################################
UDP:
  • DNS ASK go##le.ae
  • DNS ASK so###links.in
  • DNS ASK ik##.com
  • DNS ASK si###ell.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''