Technical Information
To ensure autorun and distribution:
Creates the following files on removable media:
- <Drive name for removable media>:\wininit
Malicious functions:
Executes the following:
- '<SYSTEM32>\taskkill.exe' /F /IM wscript.exe
- '<SYSTEM32>\taskkill.exe' /F /IM cmd.exe
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\cmd.exe
Modifies file system:
Creates the following files:
- %TEMP%\dw.log
- <SYSTEM32>\ctfmon.exe.new
- %TEMP%\26037.dmp
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\wininit
Moves the following system files:
- from <SYSTEM32>\ctfmon.exe to %TEMP%\29788
Moves the following files:
- from <STUBS_DIR>\ecmd\ecmd.exe to %TEMP%\44701
- from %HOMEPATH%\Start Menu\Programs\Startup\desktop.ini to %TEMP%\71317
- from %HOMEPATH%\Start Menu\Programs\Startup\Shortcut to startup_local.lnk to %TEMP%\23945
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
- ClassName: '' WindowName: 'AngarCl'
Executes the following:
- '<SYSTEM32>\schtasks.exe' /Delete /tn NYANP /F
- '<SYSTEM32>\schtasks.exe' /create /tn NYANP /tr "<Full path to file>" /sc minute /mo 5
- '<SYSTEM32>\schtasks.exe' /Delete /tn NYAN /F
- '<SYSTEM32>\schtasks.exe' /create /tn NYAN /tr "<Full path to file>" /sc minute /mo 1
- '%CommonProgramFiles%\Microsoft Shared\DW\DW20.EXE' -x -s 780
