Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'TrintToolsComponent' = '%HOMEPATH%\TrintT.exe'
Malicious functions:
Executes the following:
- %PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE http://www.ze###l.com.br/site/images/stories/notify.php
- <SYSTEM32>\regsvr32.exe /s "%WINDIR%\Ganst.dll"
- <SYSTEM32>\wscript.exe /B "%HOMEPATH%\Lxs.vbs"
Modifies file system :
Creates the following files:
- %WINDIR%\Ganst.dll
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\notify[1].php
- %HOMEPATH%\Lxs.vbs
- %HOMEPATH%\msrt.dll
- %HOMEPATH%\olje.exe
Deletes the following files:
- %HOMEPATH%\msrt.dll
- %HOMEPATH%\Lxs.vbs
Network activity:
Connects to:
- 'www.ze###l.com.br':80
- 'localhost':1035
TCP:
HTTP GET requests:
- www.ze###l.com.br/site/images/stories/notify.php
UDP:
- DNS ASK www.ze###l.com.br
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: '' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'MS_WINHELP' WindowName: ''
