Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\do.vbs
Creates the following files on removable media:
- <Drive name for removable media>:\do.vbs
Malicious functions:
Creates and executes the following:
- '%WINDIR%\program.exe'
Executes the following:
- '<SYSTEM32>\wscript.exe' //b "%TEMP%\do.vbs"
- '<SYSTEM32>\wscript.exe' "%WINDIR%\do.vbs"
Modifies file system :
Creates the following files:
- %TEMP%\do.vbs
- %ALLUSERSPROFILE%\Application Data\IObit\ASCDownloader\Downloader.log
- %ALLUSERSPROFILE%\Application Data\IObit\ASCDownloader\Country.dat.dat
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\getcountry[1].cgi
- %WINDIR%\program.exe
- %TEMP%\aut1.tmp
- %WINDIR%\do.vbs
- %TEMP%\aut2.tmp
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\do.vbs
Deletes the following files:
- %TEMP%\aut2.tmp
- %TEMP%\aut1.tmp
Moves the following files:
- from %ALLUSERSPROFILE%\Application Data\IObit\ASCDownloader\Country.dat.dat to %ALLUSERSPROFILE%\Application Data\IObit\ASCDownloader\Country.dat
Network activity:
Connects to:
- 'sa####05.no-ip.info':16
- 'localhost':1037
- 'ap#.###rowserbar.com':80
TCP:
HTTP GET requests:
- ap#.###rowserbar.com/cgi/getcountry.cgi
UDP:
- DNS ASK sa####05.no-ip.info
- DNS ASK ap#.###rowserbar.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
