Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)


  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes


KEYLOGGER is a malware family of spyware that has the capability to capture keystrokes and send the captured data to remote servers. It also gathers the Host Name of the affected system. It drops shortcuts pointing to its copy to enable its automatic execution at every system startup. In addition, it downloads and executes malicious files.


Memory Resident: Yes
Payload: Downloads files, Logs keystrokes


This spyware drops and executes the following files:

  • %User Startup%\Wingin.lnk
  • %All Users Profile%\Start Menu\Programs\Startup\Wingin.lnk
  • %AppDataLocal%\ReadResponse().exe
  • %User Startup%\msg.lnk
  • %All Users Profile%\Start Menu\Programs\Startup\msg.lnk

(Note: %User Startup% is the current user's Startup folder, which is usually C:\Windows\Profiles\{user name}\Start Menu\Programs\Startup on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Start Menu\Programs\Startup on Windows NT, and C:\Documents and Settings\{User name}\Start Menu\Programs\Startup.. %All Users Profile% is the All Users or Common profile folder, which is C:\Documents and Settings\All Users in Windows 2000, XP, and Server 2003, and C:\ProgramData in Windows Vista and 7.. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local on Windows Vista and 7.)

Information Theft

This spyware gathers the following data:

  • Host Name

Other Details

This spyware connects to the following possibly malicious URL:

  • http://{BLOCKED}{Host Name}&str=&file=no
  • http://{BLOCKED}{Host Name}/ReadResponse()
  • http://{BLOCKED}{Host Name}&str=&file=no
  • http://{BLOCKED}{Host Name}&str=&file=no