Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\SysISec] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\SysISec] 'ImagePath' = '<SYSTEM32>\checkingService.exe'
- [<HKLM>\SYSTEM\ControlSet001\Services\ISProtect] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\ISProtect] 'ImagePath' = '%ProgramFiles%\Yaimo\ysprotect.exe'
Malicious functions:
Creates and executes the following:
- '%ProgramFiles%\Yaimo\ysprotect.exe'
- '<SYSTEM32>\checkingService.exe'
- '%TEMP%\shortcuts.vbs' http://ya##o.com
- '<SYSTEM32>\checkingService.exe' (downloaded from the Internet)
- '%TEMP%\shortcuts.vbs' (downloaded from the Internet)
- '%ProgramFiles%\Yaimo\ysprotect.exe' (downloaded from the Internet)
Executes the following:
- '<SYSTEM32>\sc.exe' config ISProtect start= auto
- '<SYSTEM32>\cmd.exe' /C sc config SysISec start= delayed-auto
- '<SYSTEM32>\sc.exe' description ISProtect "Brutal Search Protect"
- '<SYSTEM32>\cmd.exe' /C sc description SysISec "System Internet Security"
- '<SYSTEM32>\cmd.exe' /C sc start ISProtect
- '<SYSTEM32>\cmd.exe' /C sc description ISProtect "Brutal Search Protect"
- '<SYSTEM32>\sc.exe' create ISProtect binpath= "%ProgramFiles%\Yaimo\ysprotect.exe" start= auto
- '<SYSTEM32>\cmd.exe' /C sc create SysISec binpath= "<SYSTEM32>\checkingService.exe" start= auto
- '<SYSTEM32>\sc.exe' start SysISec
- '<SYSTEM32>\sc.exe' config SysISec start= delayed-auto
- '<SYSTEM32>\reg.exe' add "hku\Test\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /t REG_SZ /d "http://www.ya##o.com" /f
- '<SYSTEM32>\reg.exe' add "HKEY_LOCAL_MACHINE\Software\Google\Chrome\Extensions\jgapnhijgmmehljdkfkojcoefcddinjl" /v "version" /t "reg_sz" /d "1.0" /f
- '<SYSTEM32>\sc.exe' start ISProtect
- '<SYSTEM32>\sc.exe' create SysISec binpath= "<SYSTEM32>\checkingService.exe" start= auto
- '<SYSTEM32>\sc.exe' description SysISec "System Internet Security"
- '<SYSTEM32>\cmd.exe' /C sc start SysISec
- '<SYSTEM32>\reg.exe' add "HKEY_LOCAL_MACHINE\Software\Google\Chrome\Extensions\jgapnhijgmmehljdkfkojcoefcddinjl" /v "path" /t "reg_sz" /d "C:/Program Files/Yaimo/yaimo.crx" /f
- '<SYSTEM32>\cmd.exe' /k "reg add "HKEY_LOCAL_MACHINE\Software\Google\Chrome\Extensions\jgapnhijgmmehljdkfkojcoefcddinjl" /v "path" /t "reg_sz" /d "C:/Program Files/Yaimo/yaimo.crx" /f & reg add "HKEY_LOCAL_MACHINE\...
- '<SYSTEM32>\xcopy.exe' /S /Y /i "%ProgramFiles%\Yaimo\searchplugins" searchplugins
- '<SYSTEM32>\cmd.exe' /k "@echo on & for /D %f in ("%SystemDrive%\Documents and Settings\*") do for /D %d in ("%f\Application Data\Mozilla\Firefox\Profiles\*.default*") do cd "%d" && xcopy /S /Y /i "%ProgramFiles%\...
- '<SYSTEM32>\cmd.exe' /C sc config CltMngSvc start= disabled
- '<SYSTEM32>\cmd.exe' /C sc stop CltMngSvc
- '<SYSTEM32>\sc.exe' config CltMngSvc start= disabled
- '<SYSTEM32>\sc.exe' stop CltMngSvc
- '<SYSTEM32>\cmd.exe' /C sc create ISProtect binpath= "%ProgramFiles%\Yaimo\ysprotect.exe" start= auto
- '<SYSTEM32>\cmd.exe' /k ""C:/DOCUME~1/%USERNAME%/LOCALS~1/Temp\shortcuts.vbs" http://ya##o.com & exit "
- '<SYSTEM32>\cmd.exe' /C sc config ISProtect start= auto
- '<SYSTEM32>\xcopy.exe' /S /Y /i "Mozilla" "C:\Documents and Settings\Default User\Application Data\Mozilla"
- '<SYSTEM32>\cmd.exe' /k "reg load "hku\Test" "%USERPROFILE%\..\Default User\NTUSER.DAT" && reg add "hku\Test\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /t REG_SZ /d "http://www.ya##o.com" /f && reg ...
- '<SYSTEM32>\cmd.exe' /k "@echo on & cd "%APPDATA%" && xcopy /S /Y /i "Mozilla" "%SystemDrive%\Documents and Settings\Default User\Application Data\Mozilla" && cd "..\Local Settings\Application Data" && xcopy /S /Y ...
- '<SYSTEM32>\reg.exe' load "hku\Test" "%HOMEPATH%\..\Default User\NTUSER.DAT"
- '<SYSTEM32>\cmd.exe' /C echo Desktop > "%ProgramFiles%\Yaimo\bsp"
Terminates or attempts to terminate
the following user processes:
- chrome.exe
- firefox.exe
Reads files which store third party applications passwords:
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\signons.sqlite
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system:
Creates the following files:
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\pluginreg.dat
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\places.sqlite
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\permissions.sqlite
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\search.sqlite
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\search.json
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\prefs.js
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\formhistory.sqlite
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions.sqlite
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions.ini
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\mimeTypes.rdf
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\localstore.rdf
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\key3.db
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\chrome\userContent-example.css
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\chrome\userChrome-example.css
- %ProgramFiles%\Yaimo\uninstaller.exe
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\chrome\userChrome.css
- C:\Documents and Settings\Default User\NTUSER.DAT.LOG
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\searchplugins\yaimo.xml
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\sessionstore.js
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\sessionstore.bak
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\secmod.db
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\bookmarkbackups\bookmarks-2011-11-10.json
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\webappsstore.sqlite
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\signons.sqlite
- %ProgramFiles%\Yaimo\jgapnhijgmmehljdkfkojcoefcddinjl\1.0_0\yaimo128.jpg
- %ProgramFiles%\Yaimo\jgapnhijgmmehljdkfkojcoefcddinjl\1.0_0\yaimo48.jpg
- %ProgramFiles%\Yaimo\jgapnhijgmmehljdkfkojcoefcddinjl\1.0_0\yaimo16.jpg
- %ProgramFiles%\Yaimo\searchplugins\yaimo.xml
- <SYSTEM32>\checkingService.exe
- %ProgramFiles%\Yaimo\ysprotect.exe
- %ProgramFiles%\Yaimo\jgapnhijgmmehljdkfkojcoefcddinjl\1.0_0\newtab.html
- %ProgramFiles%\Yaimo\jgapnhijgmmehljdkfkojcoefcddinjl\1.0_0\manifest.json
- %ProgramFiles%\Yaimo\yaimo.crx
- %ProgramFiles%\Yaimo\jgapnhijgmmehljdkfkojcoefcddinjl\1.0_0\yaimo.jpg
- %ProgramFiles%\Yaimo\jgapnhijgmmehljdkfkojcoefcddinjl\1.0_0\script.js
- %ProgramFiles%\Yaimo\jgapnhijgmmehljdkfkojcoefcddinjl\1.0_0\newtab.js
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\compatibility.ini
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\chromeappsstore.sqlite
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\cert8.db
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\downloads.sqlite
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\cookies.sqlite
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\content-prefs.sqlite
- %TEMP%\shortcuts.vbs
- %ProgramFiles%\Yaimo\games.exe
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\searchplugins\yaimo.xml
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\Profiles\cwdgt0y8.default\bookmarks.html
- C:\Documents and Settings\Default User\Application Data\Mozilla\Firefox\profiles.ini
- %ProgramFiles%\Yaimo\bsp
Network activity:
Connects to:
- '10#####sclassicos.com':80
TCP:
HTTP GET requests:
- http://10#####sclassicos.com/dwn/install/common/ysprotect.exe
- http://10#####sclassicos.com/dwn/install/common/yaimoext/files/yaimo128.jpg
- http://10#####sclassicos.com/dwn/install/common/yaimoext/files/yaimo48.jpg
- http://10#####sclassicos.com/dwn/install/common/checkingService.exe
- http://10#####sclassicos.com/dwn/install/common/uninstaller.exe
- http://10#####sclassicos.com/dwn/install/common/shortcuts/shortcuts.vbs
- http://10#####sclassicos.com/dwn/install/yaimosearch/yaimo.xml
- http://10#####sclassicos.com/dwn/install/common/yaimoext/files/newtab.html
- http://10#####sclassicos.com/dwn/install/common/yaimoext/files/manifest.json
- http://10#####sclassicos.com/dwn/install/yaimoext/yaimo.crx
- http://10#####sclassicos.com/dwn/install/yaimoext/files/newtab.js
- http://10#####sclassicos.com/dwn/install/common/yaimoext/files/yaimo16.jpg
- http://10#####sclassicos.com/dwn/install/common/yaimoext/files/yaimo.jpg
- http://10#####sclassicos.com/dwn/install/yaimoext/files/script.js
UDP:
- DNS ASK 10#####sclassicos.com
