Win32.HLLW.Autohit.14516
Added to the Dr.Web virus database:
2014-02-22
Virus description added:
2014-02-23
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\lsass.exe
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] 'EnableFirewall' = '00000000'
Creates and executes the following:
- '%HOMEPATH%\Start Menu\Programs\Startup\lsass.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall set opmode disable
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.
Network activity:
UDP:
- DNS ASK www.me####tttille.com
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