Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Kingsoft Antivirus WebShield Service] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- '%PROGRAM_FILES%\kingsoft\KSWebShield.exe'
- '%PROGRAM_FILES%\kingsoft\KSWebShield.exe' -start
- '%PROGRAM_FILES%\kingsoft\KSWebShield.exe' -install
Executes the following:
- '<SYSTEM32>\attrib.exe' "%HOMEPATH%\Desktop\╨╘╕╨├└┼о.url" +R +S
- '<SYSTEM32>\attrib.exe' "%HOMEPATH%\Desktop\╠╘▒ж╣║╬я.url" +R +S
- '<SYSTEM32>\attrib.exe' "%HOMEPATH%\Desktop\╘┌╧▀╨б╦╡.url" +R +S
- '<SYSTEM32>\attrib.exe' "%HOMEPATH%\Desktop\╘┌╧▀╡ч╙░.url" +R +S
- '<SYSTEM32>\attrib.exe' "%ALLUSERSPROFILE%\Application Data\Kingsoft\kws\kws.ini" +R +S
- '<SYSTEM32>\attrib.exe' "%HOMEPATH%\Desktop\╘┌╧▀┬■╗н.url" +R +S
- '<SYSTEM32>\attrib.exe' "%HOMEPATH%\Desktop\├└┼о╩╙╞╡.url" +R +S
- '<SYSTEM32>\cacls.exe' "%HOMEPATH%\Desktop\╨╘╕╨├└┼о.url" /p everyone:R
- '<SYSTEM32>\cacls.exe' "%HOMEPATH%\Desktop\╠╘▒ж╣║╬я.url" /p everyone:R
- '<SYSTEM32>\cacls.exe' "%HOMEPATH%\Desktop\╘┌╧▀╨б╦╡.url" /p everyone:R
- '<SYSTEM32>\cacls.exe' "%HOMEPATH%\Desktop\╘┌╧▀╡ч╙░.url" /p everyone:R
- '<SYSTEM32>\cacls.exe' "%ALLUSERSPROFILE%\Application Data\Kingsoft\kws\kws.ini" /p everyone:R
- '<SYSTEM32>\cacls.exe' "%HOMEPATH%\Desktop\╘┌╧▀┬■╗н.url" /p everyone:R
- '<SYSTEM32>\cacls.exe' "%HOMEPATH%\Desktop\├└┼о╩╙╞╡.url" /p everyone:R
- '<SYSTEM32>\cmd.exe' /c %TEMP%\lnk.bat
- '<SYSTEM32>\ping.exe' -n 5 127.0.0.1
- '%PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE' http://www.77##h.com/?kj###
- '%PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE' http://www.31##6.net/?uk###
- '<SYSTEM32>\expand.exe' "%TEMP%\url.cab" -F:*.* "%HOMEPATH%\Desktop
- '<SYSTEM32>\expand.exe' "%TEMP%\url.cab" -F:*.* "%HOMEPATH%\Favorites
- '%PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE' http://www.66##.net/?uk####
- '<SYSTEM32>\cacls.exe' "%HOMEPATH%\Desktop\╨╘╕╨├└┼о.url" /p everyone:f
- '<SYSTEM32>\cacls.exe' "%HOMEPATH%\Desktop\╠╘▒ж╣║╬я.url" /p everyone:f
- '<SYSTEM32>\cacls.exe' "%HOMEPATH%\Desktop\╘┌╧▀╨б╦╡.url" /p everyone:f
- '<SYSTEM32>\cacls.exe' "%HOMEPATH%\Desktop\╘┌╧▀╡ч╙░.url" /p everyone:f
- '<SYSTEM32>\cacls.exe' "%ALLUSERSPROFILE%\Application Data\Kingsoft\kws\kws.ini" /p everyone:f
- '<SYSTEM32>\cacls.exe' "%HOMEPATH%\Desktop\╘┌╧▀┬■╗н.url" /p everyone:f
- '<SYSTEM32>\cacls.exe' "%HOMEPATH%\Desktop\├└┼о╩╙╞╡.url" /p everyone:f
Modifies file system :
Creates the following files:
- %HOMEPATH%\Desktop\ФЪПЯµзУ°.url
- %HOMEPATH%\Desktop\ТБИЛНш.url
- %HOMEPATH%\Favorites\ФЪПЯВю».url
- %HOMEPATH%\Favorites\МФ±¦№єОп.url
- %HOMEPATH%\Favorites\ГАЕ®КУЖµ.url
- %HOMEPATH%\Desktop\ГАЕ®КУЖµ.url
- %HOMEPATH%\Desktop\ФЪПЯВю».url
- %HOMEPATH%\Desktop\МФ±¦№єОп.url
- %PROGRAM_FILES%\kingsoft\KWSSVC.log
- %HOMEPATH%\Desktop\РФёРГАЕ®.url
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\up_1[1].asp
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\6626[1]
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\779dh[1]
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\31166[1]
- %HOMEPATH%\Favorites\ТБИЛНш.url
- %HOMEPATH%\Favorites\РФёРГАЕ®.url
- %HOMEPATH%\Favorites\ФЪПЯµзУ°.url
- %ALLUSERSPROFILE%\Application Data\kingsoft\kws\urlcache.dat
- %ALLUSERSPROFILE%\Application Data\kingsoft\kws\kws.ini
- %PROGRAM_FILES%\ico\Chat.ico
- %PROGRAM_FILES%\ico\Video.ico
- <SYSTEM32>\safe.ico
- %ALLUSERSPROFILE%\Desktopkws\kws.ini
- %TEMP%\url.cab
- %PROGRAM_FILES%\ico\Beauty.ico
- %TEMP%\lnk.bat
- %PROGRAM_FILES%\ico\Film.ico
- %PROGRAM_FILES%\ico\Taobao.ico
- %PROGRAM_FILES%\ico\meiv.ico
- %ALLUSERSPROFILE%\Start Menu\KSWebShield.lnk
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\ip.chinaz[1]
- %ALLUSERSPROFILE%\Start Menu\360safe.lnk
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\getip[1]
- %ALLUSERSPROFILE%\Start Menu\360sdo.lnk
- %PROGRAM_FILES%\kingsoft\KSWebShield.dll
- %PROGRAM_FILES%\kingsoft\KSWebShield.exe
- %PROGRAM_FILES%\kingsoft\kwssp.dll
- %ALLUSERSPROFILE%\Start Menu\ЅрЙЅНш¶Ь.lnk
- %PROGRAM_FILES%\kingsoft\kwsui.dll
Sets the 'hidden' attribute to the following files:
- %ALLUSERSPROFILE%\Application Data\kingsoft\kws\kws.ini
Deletes the following files:
- %ALLUSERSPROFILE%\Start Menu\360safe.lnk
- %ALLUSERSPROFILE%\Start Menu\360sdo.lnk
- %ALLUSERSPROFILE%\Start Menu\ЅрЙЅНш¶Ь.lnk
- %ALLUSERSPROFILE%\Start Menu\KSWebShield.lnk
Network activity:
Connects to:
- 'localhost':1074
- 'www.66##.net':80
- 'localhost':1063
- 'www.77##h.com':80
- 'localhost':1084
- 'www.31##6.net':80
- 'ip.##inaz.com':80
- 'localhost':1039
- '11#.#07.42.105':21
- 'ap#.#c120.com':80
- 'ht.##down.com':80
- 'www.33##.org':80
TCP:
HTTP GET requests:
- www.66##.net/?uk####
- www.31##6.net/?uk###
- www.77##h.com/?kj###
- ap#.#c120.com/false_host/
- ip.##inaz.com/
- www.33##.org/dyndns/getip
- ht.##down.com/guagua/up_1.asp?a=###########################################
UDP:
- DNS ASK www.66##.net
- DNS ASK www.31##6.net
- DNS ASK www.77##h.com
- DNS ASK ap#.#c120.com
- DNS ASK ip.##inaz.com
- DNS ASK www.33##.org
- DNS ASK ht.##down.com
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: 'ks_xuyixin'
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '' WindowName: ''
- ClassName: 'kws::OSUCWindowClass' WindowName: ''
