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Win32.HLLW.Facebook.1624

Added to the Dr.Web virus database: 2012-08-07

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\tgi] 'Start' = '00000001'
  • [<HKLM>\SYSTEM\ControlSet001\Services\ttgi] 'Start' = '00000002'
Malicious functions:
Executes the following:
  • <SYSTEM32>\reg.exe add "hklm\software\microsoft\windows nt\currentversion\svchost" /v ttgi /t reg_multi_sz /d "ttgi\0" /f
  • <SYSTEM32>\reg.exe add "hklm\system\currentcontrolset\services\ttgi" /v failureactions /t reg_binary /d 00000000000000000000000003000000140000000100000060ea00000100000060ea00000100000060ea0000 /f
  • <SYSTEM32>\svchost.exe -k ttgi
  • <SYSTEM32>\sc.exe start ttgi
  • <SYSTEM32>\reg.exe add "hklm\system\currentcontrolset\services\ttgi\parameters" /v servicedll /t reg_expand_sz /d "<SYSTEM32>\tgi.dll" /f
  • <SYSTEM32>\netsh.exe firewall add allowedprogram name="tgi" program="<SYSTEM32>\svchost.exe" mode=enable
  • <SYSTEM32>\cmd.exe /c "%TEMP%\\tgi.bat"
  • <SYSTEM32>\sc.exe create "ttgi" type= share start= auto binpath= "<SYSTEM32>\svchost.exe -k ttgi"
  • <SYSTEM32>\netsh.exe firewall add portopening tcp 8085 tgi enable
Modifies file system :
Creates the following files:
  • %TEMP%\tgi.bat
  • <DRIVERS>\tgi.sys
  • <SYSTEM32>\tgi.dll
Network activity:
Connects to:
  • '85.##.236.154':80
  • 'any':0
TCP:
HTTP GET requests:
  • 85.##.236.154/feed/?v=########################