Win32.HLLW.Autoruner1.24319
Added to the Dr.Web virus database:
2012-08-02
Virus description added:
2012-08-23
Technical Information
To ensure autorun and distribution:
Creates the following files on removable media:
- <Drive name for removable media>:\bnnhtg.exe
- <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] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\1.tmp\IDMan.exe' = '%TEMP%\1.tmp\IDMan.exe:*:Enabled:ipsec'
- [<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
Creates and executes the following:
Executes the following:
- <SYSTEM32>\cmd.exe /c ""%TEMP%\1.tmp\IDMan.cmd" "
Injects code into
the following system processes:
a large number of user processes.
Modifies file system :
Creates the following files:
- %TEMP%\yvvmh.exe
- C:\autorun.inf
- C:\jvgdh.exe
- %TEMP%\1.tmp\IDMan.cmd
- %TEMP%\1.tmp\IDMan.exe
- %TEMP%\1.tmp\mother.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\bnnhtg.exe
- C:\autorun.inf
- C:\jvgdh.exe
Deletes the following files:
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
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