Win32.HLLW.Autoruner2.20215
Added to the Dr.Web virus database:
2015-05-01
Virus description added:
2015-05-01
Technical Information
To ensure autorun and distribution:
Infects the following executable files:
- %CommonProgramFiles%\Java\Java Update\jusched.exe
- %CommonProgramFiles%\Java\Java Update\jucheck.exe
Creates the following files on removable media:
- <Drive name for removable media>:\iupr.pif
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
- [<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
forces the system hide from view:
blocks the following features:
- User Account Control (UAC)
- Windows Security Center
Executes the following:
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\FirewallControlPanel.dll,ShowNotificationDialog /configure /ETOnly 0 /OnProfiles 6 /OtherAllowed 0 /OtherBlocked 0 /OtherEdgeAllowed 0 /NewBlocked 2 "<Full path to virus>"
Injects code into
the following system processes:
a large number of user processes.
Modifies file system :
Creates the following files:
- \Device\HarddiskVolume3\aarog.exe
- \Device\HarddiskVolume3\autorun.inf
- \Device\Mup\.host\Shared Folders\vm_shara\wosq.pif
- \Device\Mup\.host\Shared Folders\vm_shara\autorun.inf
- %TEMP%\icrm.exe
- %APPDATA%\Roaming\Microsoft\Windows\Start Menu\Programs\Startupx\system.pif
- C:\vnrfq.exe
- C:\autorun.inf
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\iupr.pif
- <Drive name for removable media>:\autorun.inf
- \Device\Mup\.host\Shared Folders\vm_shara\wosq.pif
- \Device\Mup\.host\Shared Folders\vm_shara\autorun.inf
- C:\vnrfq.exe
- C:\autorun.inf
- \Device\HarddiskVolume3\aarog.exe
- \Device\HarddiskVolume3\autorun.inf
Deletes the following files:
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
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