Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Helper for Windows' = '%WINDIR%\Helper\atk.exe'
Malicious functions:
Creates and executes the following:
- %WINDIR%\Helper\atk.exe
Executes the following:
- <SYSTEM32>\ping.exe 127.0.0.1
- <SYSTEM32>\cmd.exe /c %WINDIR%\Helper\delete.bat
- <SYSTEM32>\attrib.exe +h +s /d /s "%WINDIR%\Helper"
Modifies file system :
Creates the following files:
- %WINDIR%\Helper\delete.bat
- %WINDIR%\Helper\log.dat
- %WINDIR%\Helper\atk.exe