Trojan.Click2.54868

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'micrososot' = '%PROGRAM_FILES%\winsoft9\t2.exe '

Creates or modifies the following files:

%ALLUSERSPROFILE%\Start Menu\Programs\Startup\hihotrun.jse

Malicious functions:

To bypass firewall, removes or modifies the following registry keys:

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%PROGRAM_FILES%\winsoft9\qvod.exe' = '%PROGRAM_FILES%\winsoft9\qvod.exe:*:Enabled:QVOD'

Creates and executes the following:

'%PROGRAM_FILES%\winsoft9\qvod.exe'
'%PROGRAM_FILES%\winsoft9\t2.exe'
'%PROGRAM_FILES%\winsoft9\test.exe'
'%PROGRAM_FILES%\winsoft9\bho.exe'

Executes the following:

'<SYSTEM32>\reg.exe' del "HKEY_CLASSES_ROOT\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command" /v
'<SYSTEM32>\reg.exe' add "HKEY_CLASSES_ROOT\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command" /v "" /d "%PROGRAM_FILES%\Internet Explorer\iexplore.exe http://www.nb##.com/?66### /f
'<SYSTEM32>\reg.exe' add HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v "micrososot" /d "%PROGRAM_FILES%\winsoft9\t2.exe " /f
'<SYSTEM32>\cmd.exe' /c ""%PROGRAM_FILES%\winsoft9\3.bat" "
'<SYSTEM32>\wscript.exe' "%PROGRAM_FILES%\winsoft9\2222.vbs"
'<SYSTEM32>\wscript.exe' "%PROGRAM_FILES%\winsoft9\3.vbs"
'<SYSTEM32>\wscript.exe' "%PROGRAM_FILES%\winsoft9\1.vbs"

Sets a new unauthorized home page for Windows Internet Explorer.

Modifies file system :

Creates the following files:

%HOMEPATH%\Favorites\°¬іИЕ®Ч°--ЧоГААцК±ЙРµДЕ®Ч°Ж·ЕЖ.ГАЕ®ВтТВЈ¬ГлЙ±°¬іИЕ®Ч°!!.html
%HOMEPATH%\Favorites\ГАЕ®·бРШґуГШѕч-20МмДЪСёЛЩФцґуґуґу!.html
C:\game.ico
C:\taobao.ico
%HOMEPATH%\Favoritesµ±µ±НшЎЄНшЙП№єОпЦРРД.html
%HOMEPATH%\Favorites\45575.comФЪПЯµДРЎУОП·.ЧоєГНжЧоРВЧоїмїбі¬ј¶РЎУОП·!.html
%HOMEPATH%\Favorites\їґїґµзКУѕзФЪПЯґуИ«,,,ЧоєГВМЙ«ЧоРВёЯЛЩГв·СµзКУѕзНшХѕ!.html
%HOMEPATH%\Favorites\ЧїФЅСЗВнС·НшЙП№єОпНјКйЈ¬КЦ»ъЈ¬КэВлЈ¬јТµзЈ¬»ЇЧ±Ж·Ј¬ЦУ±нЈ¬КЧКОµИФЪПЯПъКЫ.html
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\kusila[1]
%APPDATA%\Microsoft\Internet Explorer\Quick Launch\Internet Explorer.url
%WINDIR%\Survival_0.txt
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\data[1].xml
%HOMEPATH%\Desktop\МФ±¦.url
C:\d.txt
%HOMEPATH%\Desktop\ФЪПЯРЎУОП·.url
%PROGRAM_FILES%\winsoft9\WINDOWS\time\mian.dil
%PROGRAM_FILES%\winsoft9\test.exe
%PROGRAM_FILES%\winsoft9\t2.exe
%PROGRAM_FILES%\winsoft9\WINDOWS\time\mian.dll
%PROGRAM_FILES%\winsoft9\qvod.exe
%PROGRAM_FILES%\winsoft9\3.vbs
%PROGRAM_FILES%\winsoft9\3.bat
%PROGRAM_FILES%\winsoft9\1.vbs
%HOMEPATH%\Favorites\ЦР№ъёЈАыІКЖ±Ј¬МеУэІКЖ±µДН¶ЧўЦРРД.ІКЖ±ґуУ®јТ!.html
%HOMEPATH%\Favorites\ЧоРВј«Ж·ВМЙ«єГµДµзУ°ївГв·С.ёЯЗеёЯЛЩЈЎМмМмёьРВ!!.html
%HOMEPATH%\Favorites\МФ±¦Нш - МФЈЎОТПІ»¶.html
%HOMEPATH%\Favorites\ЧоРВФЪПЯРЎЛµГв·СµДФД¶Б.·бё»ДЪИЭЛЩ¶ИїмµДРЎЛµХѕ!.html
%PROGRAM_FILES%\winsoft9\taobao.ico
%PROGRAM_FILES%\winsoft9\bho.exe
C:\b.txt
%PROGRAM_FILES%\winsoft9\game.ico