Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Internet Security' = '%ALLUSERSPROFILE%\Application Data\iwdefender.exe'
- [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\28007] 'Name' = '%TEMP%\1.tmp'
Malicious functions:
Creates and executes the following:
- '%ALLUSERSPROFILE%\Application Data\iwdefender.exe'
Injects code into
the following system processes:
- <SYSTEM32>\spoolsv.exe
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\cscript.exe
a large number of user processes.
Modifies file system :
Creates the following files:
- %WINDIR%\Temp\Temporary Internet Files\Content.IE5\GLQV41M7\desktop.ini
- %WINDIR%\Temp\Temporary Internet Files\Content.IE5\3VJ0C4LG\desktop.ini
- %WINDIR%\Temp\Temporary Internet Files\Content.IE5\PMRGNLSB\desktop.ini
- %WINDIR%\Temp\History\History.IE5\desktop.ini
- %WINDIR%\Temp\Temporary Internet Files\Content.IE5\FSVTO7VH\desktop.ini
- %ALLUSERSPROFILE%\Application Data\iwdefender
- %TEMP%\1.tmp
- %ALLUSERSPROFILE%\Desktop\Internet Security PRO.lnk
- %WINDIR%\Temp\Temporary Internet Files\Content.IE5\desktop.ini
Sets the 'hidden' attribute to the following files:
- %WINDIR%\Temp\Temporary Internet Files\Content.IE5\PMRGNLSB\desktop.ini
- %WINDIR%\Temp\Temporary Internet Files\Content.IE5\FSVTO7VH\desktop.ini
- %WINDIR%\Temp\History\History.IE5\desktop.ini
- %WINDIR%\Temp\Temporary Internet Files\Content.IE5\desktop.ini
- %WINDIR%\Temp\Temporary Internet Files\Content.IE5\3VJ0C4LG\desktop.ini
- %WINDIR%\Temp\Temporary Internet Files\Content.IE5\GLQV41M7\desktop.ini
Moves the following files:
- from %ALLUSERSPROFILE%\Application Data\iwdefender to %ALLUSERSPROFILE%\Application Data\iwdefender.exe
Moves itself:
- from <Full path to virus> to %TEMP%\2.tmp
Network activity:
Connects to:
- 'tw###cam.net':80
TCP:
HTTP GET requests:
- tw###cam.net/images/s.php?id####
UDP:
- DNS ASK ci###myn.com
- DNS ASK tw###cam.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
