Library
My library

+ Add to library

Contact us
24/7 Tech support | Rules regarding submitting

Send a message

Your tickets

Profile

Win32.HLLW.Autoruner.57419

Added to the Dr.Web virus database: 2011-09-01

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '' = '%WINDIR%\winlogon.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '' = '%WINDIR%\winlogon.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\DrivesGuideInfo\S-1-7-21-1439977401-7444491467-600013330-9141\autorun.exe
  • <Drive name for removable media>:\DrivesGuideInfo\S-1-7-21-1439977401-7444491467-600013330-9141\Desktop.ini
Malicious functions:
Creates and executes the following:
  • %WINDIR%\winhelp32.exe (downloaded from the Internet) 
  • %WINDIR%\winlogon.exe 
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\SYN[1]
  • %WINDIR%\version.txt
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\SL6TKFAX\VERSION[1].TXT
  • %WINDIR%\ssms.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\DATA[1]
  • %WINDIR%\winlogon.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\VERSION[1].TXT
  • %WINDIR%\winhelp32.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\DrivesGuideInfo\S-1-7-21-1439977401-7444491467-600013330-9141\Desktop.ini
Deletes the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\VERSION[1].TXT
Network activity:
Connects to:
  • '0-##############0-0-0-0-0-1-0-0-0-0-0-0-0-0-0-0-0-0-0.info':80
  • 'localhost':1037
TCP:
HTTP GET requests:
  • 0-##############0-0-0-0-0-1-0-0-0-0-0-0-0-0-0-0-0-0-0.info/SYN
  • 0-##############0-0-0-0-0-1-0-0-0-0-0-0-0-0-0-0-0-0-0.info/VERSION.TXT
  • 0-##############0-0-0-0-0-1-0-0-0-0-0-0-0-0-0-0-0-0-0.info/DATA
UDP:
  • DNS ASK 0-##############0-0-0-0-0-1-0-0-0-0-0-0-0-0-0-0-0-0-0.info
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''