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Profile

Win32.HLLW.Autoruner1.14783

Added to the Dr.Web virus database: 2012-04-17

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'VERS_IP02' = '<SYSTEM32>\updt\sys_32ip.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'UserInit' = '<SYSTEM32>\userinit.exe,<SYSTEM32>\updt\sys_32ip.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe J_Y.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'J_Y' = '%WINDIR%\J_Y.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\J_Y.Jpg
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\J_Y.WoRm.Jpg
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
  • Windows Task Manager (Taskmgr)
  • Registry Editor (RegEdit)
blocks the following features:
  • User Account Control (UAC)
Creates and executes the following:
  • %WINDIR%\J-Y.WoRm.Jpg
Executes the following:
  • %WINDIR%\explorer.exe
  • %WINDIR%\NOTEPAD.EXE
Searches for windows to
detect analytical utilities:
  • ClassName: '' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'PROCMON_WINDOW_CLASS' WindowName: ''
  • ClassName: '' WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'RegmonClass' WindowName: ''
  • ClassName: '' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'GBDYLLO' WindowName: ''
  • ClassName: 'OLLYDBG' WindowName: ''
  • ClassName: 'FilemonClass' WindowName: ''
  • ClassName: 'pediy06' WindowName: ''
Modifies file system :
Creates the following files:
  • <SYSTEM32>\updt\sys_32ip.exe
  • C:\J_Y.WoRm.Jpg
  • %WINDIR%\AuToRuN.InF
  • %TEMP%\aut3.tmp
  • C:\J_Y.Jpg
  • C:\autorun.inf
  • %TEMP%\aut1.tmp
  • %WINDIR%\J_Y.exe
  • %WINDIR%\J_Y.WoRm.Jpg
  • %WINDIR%\J_Y.Jpg
  • %TEMP%\aut2.tmp
  • %WINDIR%\J-Y.WoRm.Jpg
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\J_Y.Jpg
  • <SYSTEM32>\updt\sys_32ip.exe
  • C:\autorun.inf
  • C:\J_Y.Jpg
Deletes the following files:
  • C:\autorun.inf
  • %WINDIR%\AuToRuN.InF
  • %TEMP%\aut3.tmp
  • <Drive name for removable media>:\J_Y.Jpg
  • <Drive name for removable media>:\autorun.inf
  • C:\J_Y.Jpg
  • %WINDIR%\J-Y.WoRm.Jpg
  • %TEMP%\aut1.tmp
  • %WINDIR%\J_Y.exe
  • %WINDIR%\J_Y.WoRm.Jpg
  • <Drive name for removable media>:\J_Y.WoRm.Jpg
  • C:\J_Y.WoRm.Jpg
  • %TEMP%\aut2.tmp
Network activity:
Connects to:
  • 'wi###.no-ip.biz':4545
UDP:
  • DNS ASK wi###.no-ip.biz
  • '<Private IP address>':1036
Miscellaneous:
Searches for the following windows:
  • ClassName: '#32770' WindowName: ''
  • ClassName: 'SysListView32' WindowName: ''
  • ClassName: '#32770' WindowName: 'Program Manager'
  • ClassName: 'Indicator' WindowName: ''
  • ClassName: '18467-41' WindowName: ''