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 -start
- %PROGRAM_FILES%\kingsoft\KSWebShield.exe
- %PROGRAM_FILES%\kingsoft\KSWebShield.exe -install
- %TEMP%\guaguadance.exe
- %TEMP%\guaguadance.exe (downloaded from the Internet)
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.v9##.com/?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\ФЪПЯВю».url
- %HOMEPATH%\Desktop\ФЪПЯµзУ°.url
- %HOMEPATH%\Favorites\ГАЕ®КУЖµБДМм.url
- %HOMEPATH%\Favorites\ГАЕ®КУЖµ.url
- %HOMEPATH%\Desktop\РФёРГАЕ®.url
- %HOMEPATH%\Desktop\ГАЕ®КУЖµ.url
- %PROGRAM_FILES%\kingsoft\KWSSVC.log
- %HOMEPATH%\Desktop\МФ±¦№єОп.url
- %HOMEPATH%\Desktop\ГАЕ®КУЖµБДМм.url
- %HOMEPATH%\Favorites\МФ±¦№єОп.url
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\6626[1]
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\779dh[1]
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\v921[1]
- %ALLUSERSPROFILE%\Application Data\kingsoft\kws\urlcache.dat
- %HOMEPATH%\Favorites\ФЪПЯµзУ°.url
- %HOMEPATH%\Favorites\РФёРГАЕ®.url
- %ALLUSERSPROFILE%\Application Data\kingsoft\kws\kws.ini
- %HOMEPATH%\Favorites\ФЪПЯВю».url
- %ALLUSERSPROFILE%\Start Menu\360sdo.lnk
- %PROGRAM_FILES%\ico\Video.ico
- %PROGRAM_FILES%\ico\Taobao.ico
- <SYSTEM32>\safe.ico
- %PROGRAM_FILES%\ico\liaotian.ico
- %PROGRAM_FILES%\ico\meiv.ico
- %TEMP%\lnk.bat
- %APPDATA%\360se\360se_s.ini
- %PROGRAM_FILES%\ico\Film.ico
- %PROGRAM_FILES%\ico\Beauty.ico
- %TEMP%\url.cab
- %ALLUSERSPROFILE%\Start Menu\ЅрЙЅНш¶Ь.lnk
- %TEMP%\guaguadance.exe
- %ALLUSERSPROFILE%\Start Menu\360safe.lnk
- %ALLUSERSPROFILE%\Start Menu\KSWebShield.lnk
- %PROGRAM_FILES%\kingsoft\kwsui.dll
- %PROGRAM_FILES%\kingsoft\KSWebShield.exe
- %ALLUSERSPROFILE%\Desktopkws\kws.ini
- %PROGRAM_FILES%\kingsoft\kwssp.dll
- %PROGRAM_FILES%\kingsoft\KSWebShield.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:
- 'if#.#uba.net':80
- 'localhost':1044
- 'localhost':1046
- 'www.77##h.com':80
- 'www.v9##.com':80
- 'www.66##.net':80
- 'www.33##.org':80
- 'c.###gua.com.cn':80
- 'ht.##down.com':80
- 'ap#.#c120.com':80
- 'localhost':1040
TCP:
HTTP GET requests:
- if#.#uba.net/urlrcv.php?mc##########################################################
- www.66##.net/?uk####
- www.77##h.com/?kj###
- www.v9##.com/?uk###
- www.33##.org/dyndns/getip
- c.###gua.com.cn/c/guaguadance_6060000011
- ap#.#c120.com/false_host/
- ht.##down.com/sl/up_1.asp?a=############################################
UDP:
- DNS ASK if#.#uba.net
- DNS ASK www.66##.net
- DNS ASK www.77##h.com
- DNS ASK www.v9##.com
- DNS ASK www.33##.org
- DNS ASK c.###gua.com.cn
- DNS ASK ap#.#c120.com
- 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: ''
