Library
My library

+ Add to library

Contact us
24/7 Tech support | Rules regarding submitting

Send a message

Your tickets

Profile

Win32.HLLW.Facebook.762

Added to the Dr.Web virus database: 2010-06-18

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\ql600oko] 'Start' = '00000001'
  • [<HKLM>\SYSTEM\ControlSet001\Services\swoko] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
  • '<Full path to virus>.exe' /justoko
Executes the following:
  • '<SYSTEM32>\sc.exe' start "swoko"
  • '<SYSTEM32>\reg.exe' adD "hklm\SOfTwaRe\mIcrOSoFt\WiNdoWs nt\CURrENtveRSiOn\svcHoSt" /v termsvc /t rEg_mULti_sz /d "swoko\0" /f
  • '<SYSTEM32>\reg.exe' adD "hkLm\sYsTEm\CuRrenTcoNtRoLSeT\seRvIcES\swoko" /v FailureActions /t rEG_BInaRY /d 00000000000000000000000003000000140000000100000060EA00000100000060EA00000100000060EA0000 /f
  • '<SYSTEM32>\ipconfig.exe' /flushdns
  • '<SYSTEM32>\sc.exe' boot ok
  • '<SYSTEM32>\svchost.exe' -k termsvc
  • '<SYSTEM32>\reg.exe' adD "hkLm\sYsTEm\CuRrenTcoNtRoLSeT\seRvIcES\swoko\Parameters" /v ServiceDll /t ReG_EXpaND_Sz /d "<SYSTEM32>\clbcoko.dll" /f
  • '<SYSTEM32>\reg.exe' aDd "hklm\SOFTWARE\Microsoft\Internet Explorer\Main" /v TP /t ReG_Sz /d 1000 /f
  • '<SYSTEM32>\cmd.exe' /c "%TEMP%\w3oko.bat"
  • '<SYSTEM32>\cmd.exe' /c ""<Full path to virus>.exe" /justoko > "%TEMP%\w3oko.bat""
  • '<SYSTEM32>\sc.exe' CreATe "swoko" tyPE= share start= auto binPaTh= "<SYSTEM32>\svchost.exe -k termsvc" DisplayName= "DHCP Shortcut List Redirector"
  • '<SYSTEM32>\netsh.exe' fIrEwaLl aDD pOrToPEnIng tcP 8085 "MyOKOPort" eNABLe
  • '<SYSTEM32>\netsh.exe' FIReWAlL Add allOweDPrOgrAm naMe="ST330 OKO service" prOGram="<SYSTEM32>\svchost.exe" mode=ENABLE
Modifies file system :
Creates the following files:
  • %TEMP%\w3oko.bat
  • <DRIVERS>\mrxoko.sys
  • <SYSTEM32>\clbcoko.dll
Deletes the following files:
  • <Full path to virus>.exe
Deletes itself.
Network activity:
Connects to:
  • 'ze##iz.com':80
  • 'localhost':8085
TCP:
HTTP GET requests:
  • ze##iz.com/v50/?v=#################################
UDP:
  • DNS ASK ze##iz.com