Classification

How F-Secure classifies threats

Applications or files that are categorized as Potentially Unwanted Applications (PUA), Unwanted Applications (UA) or Harmful are also assigned a Platform, which indicates the operating system they need to be installed on, or the application they need to function.

Runs as a VBA macro in the Microsoft Access application (version 97 or later)
Runs on the Android mobile operating system
Uses the AutoCAD application
Uses the DOS, Windows or NT command interpreter or clone (4DOS, 4NT)
Uses or resides in the Master Boot Record (MBR) or DOS Boot Sector of an operating system
Runs on the Chrome operating system
Runs as a VBA macro in the Corel Draw! application (version 9.0 or later)
Uses the CorelScript interpreter found in many Corel products
Uses COM, EXE (MZ) or SYS files on the DOS operating system and require some version of MS-DOS or clone
Runs in the WinHelp application
Runs in a HTML document as a malicious iframe
Uses the IDA Pro application
Uses Windows INF files
Uses mIRC INI files
Runs on the iPhone mobile operating system
Runs on or uses the .NET framework
Uses or runs in the Java Runtime Enviroment
Uses the Jscript or JavaScript interpreter
Runs on any Linux distribution
Runs on any Mac operating system prior to MacOS X
Uses Multimedia Messaging System (MMS) messages
Uses or runs in two or more applications in the Office 97 suite or later, including related products (Visio, Projects)
Runs on the OS/2 operating system
Runs on the MacOS X operating system
Runs as a VBS macro in Microsoft Project (version 98 or later)
Runs on the Palm operating system
Uses a Perl interpreter
Uses or runs as a PHP script
Runs as a VBS macro in Microsoft PowerPoint (version 97 or later)
Runs as a VBS macro in Microsoft Publisher (version 97 or later)
Uses the Windows Registry file format
Uses a Unix(-like) shell script interpreter
Uses Short Messaging System (SMS) messages
Runs on the Solaris operating system
Runs on the Symbian operating system
Runs in or uses Microsoft Silverlight
Runs in or uses Macromedia Flash
Runs on Unix or uses ELF files
Uses the Visual Basic Script interpreter
Runs on the 16-bit Windows operating system
Runs on the 32-bit Windows operating system
Runs on the 64-bit Windows operating system
Runs on the 128-bit Windows operating system
Runs as a VBA macro in Microsoft Word (version 97 or later)
Runs on the PocketPC (Windows CE) operating system
Uses WinHex
Runs as a Windows media Audio file (usually disguised as mp3) 
Runs as a Windows media Video file (usually disguised as avi)
Runs as a VBA macro in Microsoft Excel (version 97 or later)