Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'System' = 'kdzxz.exe'
Malicious functions:
Creates and executes the following:
- %TEMP%\calc.exe
- %TEMP%\notepad.exe
Executes the following:
- %WINDIR%\explorer.exe
- <SYSTEM32>\svchost.exe
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
- <SYSTEM32>\alg.exe
a large number of user processes.
Modifies file system :
Creates the following files:
- %TEMP%\calc.exe
- %TEMP%\notepad.exe
- <SYSTEM32>\kdzxz.exe
- %TEMP%\nsp3.tmp\modern-header.bmp
- %TEMP%\nsp3.tmp\DcryptDll.dll
- %TEMP%\notepad.exe.dat
- %TEMP%\nse2.tmp
- %TEMP%\linux
- %TEMP%\calc.exe.dat
Deletes the following files:
- %TEMP%\calc.exe
- %TEMP%\notepad.exe.dat
- %TEMP%\calc.exe.dat
Moves the following files:
- from %TEMP%\notepad.exe to %TEMP%\tmp4.tmp
Network activity:
Connects to:
- '64.##.183.12':80
- '21#.#55.186.236':80
- '<Private IP address>':80
TCP:
HTTP GET requests:
- <Private IP address>/home.asp
- <Private IP address>/wizard.htm
- 64.##.183.12/
- <Private IP address>/index.asp
- <Private IP address>/dlink/hwiz.html
- <Private IP address>/
HTTP POST requests:
- 21#.#55.186.236/index.php
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '#32770' WindowName: ''
