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Win32.HLLW.Autoruner.60136

Added to the Dr.Web virus database: 2011-09-26

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe csrcs.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\dyvphe.exe
Malicious functions:
Creates and executes the following:
  • <SYSTEM32>\csrcs.exe 
Executes the following:
  • <SYSTEM32>\ping.exe -n 5 -w 250 127.0.0.1
  • <SYSTEM32>\cmd.exe /c "%TEMP%\suicide.bat"
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\whatismyip[1].3319865579
  • %TEMP%\~ip.tmp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\SL6TKFAX\n09230945[1].asp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\whatismyip[1].7714796606
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\checkip.dyndns[1].4546921188
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\checkip.dyndns[1].9931613822
  • <SYSTEM32>\autorun.inf
  • <SYSTEM32>\csrcs.exe
  • %TEMP%\suicide.bat
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\n09230945[1].asp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\n09230945[1].asp
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\dyvphe.exe
  • <Drive name for removable media>:\autorun.inf
  • <SYSTEM32>\csrcs.exe
  • <SYSTEM32>\autorun.inf
Deletes the following files:
  • %TEMP%\~ip.tmp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\SL6TKFAX\n09230945[1].asp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\n09230945[1].asp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\n09230945[1].asp
Deletes itself.
Network activity:
Connects to:
  • 'ki#.##akapatama.com':4600
  • '<Private IP address>':445
  • '<Private IP address>':139
  • 'so###ng.moe.hm':5400
  • 'se#.##zcluster.com':5300
  • 'www.wh###smyip.com':80
  • 'ch####p.dyndns.org':80
TCP:
HTTP GET requests:
  • www.wh###smyip.com/?rn#########################################
  • ch####p.dyndns.org/?rn#########################################
  • www.wh###smyip.com/automation/n09230945.asp
UDP:
  • DNS ASK so###ng.moe.hm
  • DNS ASK ki#.##akapatama.com
  • DNS ASK ch####p.dyndns.org
  • DNS ASK se#.##zcluster.com
  • DNS ASK www.wh###smyip.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''
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