Win32.HLLW.Autoruner.25122

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'RTHDBPL' = '%APPDATA%\SystemProc\lsass.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'RTHDBPL' = '<SYSTEM32>\adobec.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Adobe Reader Updater c1' = '<SYSTEM32>\Adobechn.exe'

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\RECYCLER\S-1-6-21-2434476521-1645641927-702000330-1542\redmond.exe
<Drive name for removable media>:\RECYCLER\S-1-6-21-2434476521-1645641927-702000330-1542\Desktop.ini

Malicious functions:

To bypass firewall, removes or modifies the following registry keys:

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\Adobechn.exe' = '<SYSTEM32>\Adobechn.exe:*:Enabled:Explorer'

To complicate detection of its presence in the operating system,

blocks the following features:

Creates and executes the following:

Terminates or attempts to terminate

the following user processes:

Hides the following processes:

Modifies file system :

Creates the following files:

%PROGRAM_FILES%\Mozilla Firefox\extensions\{9CE11043-9A15-4207-A565-0C94C42D590D}\chrome.manifest
%PROGRAM_FILES%\Mozilla Firefox\extensions\{9CE11043-9A15-4207-A565-0C94C42D590D}\chrome\content\timer.xul
%APPDATA%\SystemProc\lsass.exe
<SYSTEM32>\Adobechn.exe
<SYSTEM32>\adobec.exe
%PROGRAM_FILES%\Mozilla Firefox\extensions\{9CE11043-9A15-4207-A565-0C94C42D590D}\install.rdf

Sets the 'hidden' attribute to the following files:

%APPDATA%\SystemProc\lsass.exe
<Drive name for removable media>:\RECYCLER\S-1-6-21-2434476521-1645641927-702000330-1542\redmond.exe
<SYSTEM32>\Adobechn.exe

Deletes the following files:

Network activity:

Connects to:

TCP:

HTTP GET requests:

UDP:

Miscellaneous:

Searches for the following windows: