Library
My library

+ Add to library

Contact us
24/7 Tech support | Rules regarding submitting

Send a message

Your tickets

Profile

Win32.HLLW.Autoruner1.24089

Added to the Dr.Web virus database: 2012-07-30

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>:\nwbbfp.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\YPORKZYZ\n09230945[1].asp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\whatismyip[1].4468356839
  • %TEMP%\~ip.tmp
  • \Device\LanmanRedirector\10.0.0.2\PIPE\srvsvc
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\whatismyip[1].3329781755
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\checkip.dyndns[1].31751466775
  • <SYSTEM32>\autorun.inf
  • %TEMP%\suicide.bat
  • <SYSTEM32>\csrcs.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\checkip.dyndns[1].5002696177
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\n09230945[1].asp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\n09230945[1].asp
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\nwbbfp.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\YPORKZYZ\n09230945[1].asp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\n09230945[1].asp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\n09230945[1].asp
Deletes itself.
Network activity:
Connects to:
  • 'rt##.##akapatama.com':88
  • '<Private IP address>':445
  • '<Private IP address>':139
  • 'vn###.moe.hm':49872
  • 'io###u.dip.jp':8536
  • 'www.wh###smyip.com':80
  • 'ch####p.dyndns.org':80
TCP:
HTTP GET requests:
  • www.wh###smyip.com/?rn#########################################
  • www.wh###smyip.com/?rn########################################
  • www.wh###smyip.com/automation/n09230945.asp
  • ch####p.dyndns.org/?rn#########################################
UDP:
  • DNS ASK vn###.moe.hm
  • DNS ASK rt##.##akapatama.com
  • DNS ASK ch####p.dyndns.org
  • DNS ASK io###u.dip.jp
  • DNS ASK www.wh###smyip.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''