Technical Information
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>\cmd.exe
- <SYSTEM32>\cscript.exe
- %WINDIR%\Explorer.EXE
- <SYSTEM32>\ctfmon.exe
a large number of user processes.
Modifies file system :
Creates the following files:
- <DRIVERS>\kkdoj.sys
- %TEMP%\winmnlnyc.exe
- %TEMP%\winujlplt.exe
- %TEMP%\winkoocnw.exe
Deletes the following files:
- <DRIVERS>\kkdoj.sys
- %TEMP%\winmnlnyc.exe
- %TEMP%\winujlplt.exe
- %TEMP%\winkoocnw.exe
