"Troj / Ransom-A" to delete files one by one every 30 minutes

If you transfer $ 10.99 to the bank, you will be able to uninstall it and it will restore deleted files as well. It is the extreme of malignancy, this is .... , I will delete important files one by one every 30 minutes until I pay.

Ransom Trojan horse demands money with menaces
http://www.sophos.com/pressoffice/news/articles/2006/04/ransom.html

For the full text and details of the message to be displayed, see below.
Sophos virus analysis: Troj / Ransom-A
http://www.sophos.com/virusinfo/analyses/trojransoma.html

Also, it seems that even if you try to start Task Manager with "Ctrl + Alt + Del" it will not be able to start up, it will also do various malicious things.

Recently, there are more money - earning viruses that intend to threaten such money and transfer money. Such threatening viruses are commonly called "Ransomware". "Ransomu" means "intimidation". There used to be as much as $ 300 before, by the way.

So, what's worrisome about these viruses, will I really be released ...?