Win32.HLLW.Autoruner1.25473

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Classes\regfile\shell\open\command] '' = '<SYSTEM32>\msdto.exe %1'
[<HKLM>\SOFTWARE\Classes\batfile\shell\open\command] '' = '<SYSTEM32>\msdto.exe %1'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe shell'
[<HKLM>\SOFTWARE\Classes\cmdfile\shell\open\command] '' = '<SYSTEM32>\msdto.exe %1'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'cstrike' = '<SYSTEM32>\cstrike.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'msdto' = '<SYSTEM32>\msdto.exe'
[<HKLM>\SOFTWARE\Classes\comfile\shell\open\command] '' = '<SYSTEM32>\spcolsv.exe %1'
[<HKLM>\SOFTWARE\Classes\piffile\shell\open\command] '' = '<SYSTEM32>\spcolsv.exe %1'

Creates the following files on removable media:

Malicious functions:

Creates and executes the following:

Terminates or attempts to terminate

the following user processes:

Modifies file system :

Creates the following files:

%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\alert1[1].exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\alert1[1].exe
C:\Recycled\desktop.ini
C:\Autorun.inf
C:\Recycled\cstrike.exe
<SYSTEM32>\nvidia.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\alert1[1].exe
<SYSTEM32>\msdto.exe
<SYSTEM32>\shell.exe
<SYSTEM32>\cstrike.exe

Sets the 'hidden' attribute to the following files:

Deletes the following files:

C:\Autorun.inf
<Drive name for removable media>:\Autorun.inf
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\alert1[1].exe
<SYSTEM32>\nvidia.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\alert1[1].exe

Network activity:

Connects to:

TCP:

HTTP GET requests:

UDP:

Miscellaneous:

Searches for the following windows: