Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{9D71D88C-C598-4935-C5D1-43AA4DB90836}] 'stubpath' = ''
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'wextract_cleanup0' = 'rundll32.exe <SYSTEM32>\advpack.dll,DelNodeRunDLL32 ""%TEMP%\IXP000.TMP\""'
Creates the following files on removable media:
- <Drive name for removable media>:\kxqc.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'
- <Auxiliary element>
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*: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:
- hidden files
blocks the following features:
- User Account Control (UAC)
- Windows Security Center
Injects code into
the following system processes:
- <SYSTEM32>\cscript.exe
- <SYSTEM32>\ctfmon.exe
- %WINDIR%\Explorer.EXE
a large number of user processes.
Modifies file system :
Creates the following files:
- %TEMP%\winjdrj.exe
- %TEMP%\winqfsbi.exe
- C:\ugir.pif
- C:\autorun.inf
- <DRIVERS>\eldvi.sys
- %TEMP%\wintgms.exe
- %TEMP%\IXP000.TMP\C.exe
- %TEMP%\winuoigjl.exe
- %PROGRAM_FILES%\Bifrost\server.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\kxqc.pif
- C:\autorun.inf
- C:\ugir.pif
Deletes the following files:
- <DRIVERS>\eldvi.sys
- %TEMP%\winqfsbi.exe
- %TEMP%\winjdrj.exe
- %TEMP%\wintgms.exe
- %TEMP%\IXP000.TMP\C.exe
- %TEMP%\winuoigjl.exe
Network activity:
Connects to:
- 'localhost':81
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
