Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKLM>\software\microsoft\windows\currentversion\Policies\Explorer\Run] 'yN' = '%PROGRAMDATA%\Uninstall Information\yN.exe'
Malicious functions
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Windows Firewall
- Windows Update
- Windows Security Center
- Windows Defender
blocks the following features:
- User Account Control (UAC)
- Windows Action Center
modifies the following system settings:
- Hides taskbar notifications
Injects code into
the following system processes:
- %WINDIR%\syswow64\msiexec.exe
Modifies file system
Creates the following files
- %PROGRAMDATA%\uninstall information\yn.exe
Deletes itself.
Network activity
Connects to
- '5.#.49.12':53
- '14#.#6.133.38':53
TCP
- '10#.#38.186.189':53
- '87.##.175.85':53
Miscellaneous
Executes the following
- '%WINDIR%\syswow64\msiexec.exe'
