Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WinRAR.exe' = '<Full path to file>'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'WinRAR.exe' = '<Full path to file>'
Malicious functions:
Creates and executes the following:
- '<Full path to file>'
Executes the following:
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shell32.dll,OpenAs_RunDLL %TEMP%\abcww.rar
Modifies file system:
Creates the following files:
- %TEMP%\res.ico
- %TEMP%\res.ico2
- %TEMP%\aut2.tmp
- %TEMP%\aut1.tmp
- %TEMP%\abcww.rar
Deletes the following files:
- %TEMP%\aut2.tmp
- %TEMP%\aut1.tmp
