Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,<SYSTEM32>\Crypt16.exe,'
Malicious functions:
Injects code into
the following system processes:
- <SYSTEM32>\spoolsv.exe
Modifies file system:
Creates the following files:
- <SYSTEM32>\Crypt16.exe
- <SYSTEM32>\Crypt_16.dll
Deletes the following files:
- <Full path to file>
Miscellaneous:
Creates and executes the following:
- '<SYSTEM32>\Crypt16.exe' <Full path to file>
Executes the following:
- '<SYSTEM32>\spoolsv.exe'
