Files with SDN extension are also reported to have been generated by Virtumonde / Vundo malware. In any case, you should run anti-virus to make sure these files are not dangerous.
There are 2 other file types using
the SDN file extension!
.sdn - Smart Diary Suite ingredients data
.sdn - Shareware Distributors Network archive
Software that works with sdn file extension
SDN file extension - Virtumonde / Vundo Trojan infected file
What is sdn file? How to open sdn files?
File type specification:
The SDN file extension is also related to files generated by Vundo malware. Take great care when working with these files as they could be infected. Run your security or anti-virus program to make sure your computer is not in danger.
List of recommended software applications associated to the .sdn file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file: like open sdn file, edit sdn file, convert sdn file, view sdn file, play sdn file etc. (if exist software for corresponding action in File-Extensions.org's database).
- Others sdn file
Unspecified and all other actions for computer programs working with sdn file - Virtumonde / Vundo Trojan infected file
Click on the software link for more information about AVG Antivirus. AVG Antivirus uses sdn file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).