Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Classes\mhtmlfile\shell\open\command] '' = '"%PROGRAM_FILES%\Internet Explorer\iexplore.exe" -nohome'
- [<HKLM>\SOFTWARE\Classes\htmlfile\shell\open\command] '' = '"%PROGRAM_FILES%\Internet Explorer\iexplore.exe" -nohome'
- [<HKLM>\SOFTWARE\Classes\InternetShortcut\shell\open\command] '' = 'rundll32.exe shdocvw.dll,OpenURL %l'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellExecuteHooks] '{AEB6717E-7E19-11d0-97EE-00C04FD91972}' = ''
- [<HKLM>\SOFTWARE\Classes\Applications\iexplore.exe\shell\open\command] '' = '"%PROGRAM_FILES%\Internet Explorer\iexplore.exe" %1'
- [<HKLM>\SOFTWARE\Classes\HTTP\shell\open\command] '' = '"%PROGRAM_FILES%\Internet Explorer\iexplore.exe" -nohome'
- [<HKLM>\SOFTWARE\Classes\InternetShortcut\shell\open\command] '' = 'rundll32.exe url.dll,OpenURL %l'
- [<HKLM>\SOFTWARE\Classes\https\shell\open\command] '' = '"%PROGRAM_FILES%\Internet Explorer\iexplore.exe" -nohome'
- [<HKLM>\SOFTWARE\Classes\gopher\shell\open\command] '' = '"%PROGRAM_FILES%\Internet Explorer\iexplore.exe" -nohome'
- [<HKLM>\SOFTWARE\Classes\ftp\shell\open\command] '' = '"%PROGRAM_FILES%\Internet Explorer\iexplore.exe" %1'
Malicious functions:
Creates and executes the following:
- %PROGRAM_FILES%\soft280011\CoralExplorer_200402.exe (downloaded from the Internet)
Executes the following:
- <SYSTEM32>\cmd.exe /c ""%PROGRAM_FILES%\soft280011\300.bat" "
- <SYSTEM32>\shmgrate.exe OCInstallShowIE
- <SYSTEM32>\wscript.exe "%PROGRAM_FILES%\soft280011\b_2811.vbs"
- %PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE http://www.17##g.com/lianjie/10608.htm
- %PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE http://ta##rl.com/6jb4v
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
- %TEMP%\RGI4.tmp
- %TEMP%\nsz2.tmp\NSISdl.dll
- %TEMP%\RGI5.tmp
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\10608[1].htm
- %PROGRAM_FILES%\soft280011\1120111106111107001128111111.txt
- %PROGRAM_FILES%\soft280011\B_1120111106111107001128111111.txt
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\6jb4v[1]
- %TEMP%\RGI3.tmp
- %TEMP%\RGIA.tmp
- %TEMP%\RGI9.tmp
- %APPDATA%\Microsoft\Internet Explorer\Quick Launch\desktop.ini
- %APPDATA%\Microsoft\Internet Explorer\Quick Launch\Launch Internet Explorer Browser.lnk
- %TEMP%\RGI7.tmp
- %TEMP%\RGI6.tmp
- %PROGRAM_FILES%\soft280011\CoralExplorer_200402.exe
- %TEMP%\RGI8.tmp
- %PROGRAM_FILES%\jishu_280011\ImgCache\www.2144.net_favicon.ico
- %PROGRAM_FILES%\jishu_280011\newnew.ini
- %PROGRAM_FILES%\jishu_280011\sc\2144РЎУОП·--і¬ј¶єГНжЈ¬АЦєЗєЗ.url
- %PROGRAM_FILES%\jishu_280011\sc\126НшЦ·ґуИ«ЙПНшЧо·Ѕ±г.url
- %PROGRAM_FILES%\jishu_280011\FlashIcon.ico
- %TEMP%\nsz2.tmp\FindProcDLL.dll
- %PROGRAM_FILES%\jishu_280011\newnew.exe
- %PROGRAM_FILES%\jishu_280011\dailytips.ini
- %ALLUSERSPROFILE%\Desktop\ Intornot Exploror .lnk
- %PROGRAM_FILES%\jishu_280011\sc\НшЙП№єОпНшЦ·ґуИ«-Нш№єµЪТ»Хѕ.url
- %PROGRAM_FILES%\soft280011\a
- %APPDATA%\Microsoft\Internet Explorer\Quick Launch\ Intornot Exploror .lnk
- %PROGRAM_FILES%\jishu_280011\sc\ІКЖ±їЄЅ±ІйСЇ-ФЪПЯВтІКЖ±.url
- %PROGRAM_FILES%\jishu_280011\sc\GoogleЛСЛч.url
- %PROGRAM_FILES%\jishu_280011\sc\ГїМмНЕ№єТ»ПВ-ѕЫ±гТЛ.url
- %PROGRAM_FILES%\jishu_280011\sc\»Ж№ПµзУ°Нш-ФЪПЯµзУ°.url
Sets the 'hidden' attribute to the following files:
- %PROGRAM_FILES%\jishu_280011\jishu_280011.ini
Deletes the following files:
- %TEMP%\RGI7.tmp
- %TEMP%\RGI6.tmp
- %TEMP%\RGI8.tmp
- %TEMP%\RGIA.tmp
- %TEMP%\RGI9.tmp
- %PROGRAM_FILES%\soft280011\b_2811.vbs
- %APPDATA%\Microsoft\Internet Explorer\Quick Launch\ Intornot Exploror .lnk
- %TEMP%\RGI3.tmp
- %TEMP%\RGI5.tmp
- %TEMP%\RGI4.tmp
Network activity:
Connects to:
- 'www.17##g.com':80
- 'oo.##mtb.info':888
- 'www.sh###u99.com':80
- 'localhost':1034
- 'localhost':1035
- 'ta##rl.com':80
TCP:
HTTP GET requests:
- www.sh###u99.com/down/CoralExplorer_200402.exe
- www.17##g.com/lianjie/10608.htm
- ta##rl.com/6jb4v
UDP:
- DNS ASK oo.##mtb.info
- DNS ASK www.sh###u99.com
- DNS ASK ta##rl.com
- DNS ASK www.17##g.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: '' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
