Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dcfcdbaafaecc] 'Startup' = 'sup'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dcfcdbaafaecc] 'Logon' = 'l'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\dcfcdbaafaecc] 'DllName' = '<SYSTEM32>\dcfcdbaafaecc.dll'
Malicious functions:
Executes the following:
- '%PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE' http://wl.##verss.com/v306/repins.rss?ms############################################################################################################################################
- '<SYSTEM32>\cmd.exe' /c %TEMP%\568d7a4aba7ece2d1b2472e652cb7333.bat
Injects code into
the following system processes:
- <SYSTEM32>\winlogon.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\RCX1.tmp
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\repins[1].rss
- %TEMP%\568d7a4aba7ece2d1b2472e652cb7333.bat
- <SYSTEM32>\dcfcdbaafaecc.dll
Deletes the following files:
- <SYSTEM32>\dcfcdbaafaecc.dll
Moves the following files:
- from <SYSTEM32>\RCX1.tmp to <SYSTEM32>\dcfcdbaafaecc.dll
Deletes itself.
Network activity:
Connects to:
- 'wl.##verss.com':80
- 'localhost':1036
TCP:
HTTP GET requests:
- wl.##verss.com/v306/repins.rss?ms############################################################################################################################################
UDP:
- DNS ASK wl.##verss.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
- ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
- ClassName: '' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'