GOG RANSOMWARE is classified as Win32:PUP-gen (potentially unwanted program).
What is PUP?
PUP is crapware. GOG RANSOMWARE have several types of unwanted behaviour:

1. Displaying popup ads.
2. Hijacking your browser.
3. Infecting your desktop shortcuts, etc.
4. Inserting ads to the web pages.

GOG RANSOMWARE can redirect your browser search, collect your personal information and sell it for advertising.
GOG RANSOMWARE is usually hard in removing. Some people could not find uninstall program for GOG RANSOMWARE in the Control Panel.
Sometimes GOG RANSOMWARE uninstaller does not work.

How GOG RANSOMWARE got on my computer?

Usually you got GOG RANSOMWARE with as part of a bundle with another tool you downloaded from the Internet. Since GOG RANSOMWARE manufacturer pays software developers for distributing GOG RANSOMWARE within their applications, GOG RANSOMWARE is often included as part of the installer.
Usually, you have not only one GOG RANSOMWARE problem, but a bunch of similar WIN32:PUPs.

How to remove GOG RANSOMWARE?

Step-by-step Guide for manual removal of GOG RANSOMWARE:

1. Uninstall GOG RANSOMWARE using Windows uninstallation applet (use Add/Remove Programs or Uninstall Program or Apps & features).
2. Open Task Manager to kill all "GOG RANSOMWARE" related processes.
3. Use Windows search to find and remove "GOG RANSOMWARE" files and folders.
4. Run services.msc to disable a "GOG RANSOMWARE" Windows service.
5. Execute taskschd.msc to get rid of "GOG RANSOMWARE" scheduled tasks.
6. Open regedit.exe and delete GOG RANSOMWARE registry keys and values.
7. Check your shortcuts on your desktop and in the Start menu for GOG RANSOMWARE presence. Fix infected shortcuts.
8. Remove a virus from Google Chrome.
9. Remove a virus from Internet Explorer.
10. Remove a virus from Mozilla Firefox.
11. Clean your Recycle bin and temporary files.