Library
My library

+ Add to library

Contact us
24/7 Tech support | Rules regarding submitting

Send a message

Your tickets

Profile

Win32.HLLW.Autoruner.57275

Added to the Dr.Web virus database: 2011-08-29

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'exp1orer.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\readme.exe
Malicious functions:
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
  • %TEMP%\exp1orer.exe
  • <SYSTEM32>\user.dll
  • <SYSTEM32>\exp1orer.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\readme.exe
  • <SYSTEM32>\user.dll