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Profil

Win32.HLLW.Autoruner1.34063

Added to the Dr.Web virus database: 2013-03-16

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{21H0I4A2-L075-C7I0-N0R7-336531685413}] 'StubPath' = ''
Creates the following files on removable media:
  • <Drive name for removable media>:\SexIE.exe
  • <Drive name for removable media>:\Autorun.inf
Malicious functions:
Executes the following:
  • <SYSTEM32>\cmd.exe /c %TEMP%\_DelSexIE.cMd
Injects code into
the following system processes:
  • <SYSTEM32>\winlogon.exe
  • %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
  • %WINDIR%\~msapi.tmp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\mssieconfig[2].ini
  • %TEMP%\~msapi.dat
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\mssieconfig[1].ini
  • %PROGRAM_FILES%\Internet Explorer\msapi.exe
  • %PROGRAM_FILES%\Internet Explorer\msapi.dll
  • %TEMP%\_DelSexIE.cMd
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\Autorun.inf
  • <Drive name for removable media>:\SexIE.exe
  • %TEMP%\~msapi.dat
  • %PROGRAM_FILES%\Internet Explorer\msapi.exe
  • %PROGRAM_FILES%\Internet Explorer\msapi.dll
  • %TEMP%\_DelSexIE.cMd
Deletes the following files:
  • %TEMP%\_DelSexIE.cMd
Deletes itself.
Network activity:
Connects to:
  • 'www.s2##.com':80
  • '74.##5.232.51':80
  • 'localhost':1035
  • 'localhost':1036
TCP:
HTTP GET requests:
  • www.s2##.com/browser/sexie/mssieconfig.ini
UDP:
  • DNS ASK www.google.com
  • DNS ASK www.s2##.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'WorkerW' WindowName: ''