WDOSX 0.97 DOS extender Copyright (c) 1996-2002 Michael TippachĪnd finally stats for strings that start with ‘This’:.WDOSX 0.96 DOS extender Copyright (c) 1996-2001 Michael Tippach.WDOSX 0.96 DOS extender Copyright (c) 1996-2000 Michael Tippach.WDOSX 0.95 DOS extender Copyright (c) 1996-1998 Michael Tippach.This program requires Phar Lap’s 286|DOS-Extender.The pmodedj.exe stub loader is Copyright (C) 1993-1.PMODE\W v1.33 DOS extender – Copyright 1994-1.I mentioned 1980s… here are the signatures for these: !Library created by Axialis IconWorkshop.PMODE/W v1.33 DOS extender – Copyright 1994-1.dPMODE/W v1.33 DOS extender – Copyright 1994-1.
This program must be run under Microsoft Windows.!This program cannot be run in a DOS session.!This program requires Microsoft Windows.!This program cannot be run in DOS mode.There are tones of strings and signatures that I have not seen for many years, many I never heard of, and many referenced technologies that are long gone.
And even if some of them are old malware, they are not important for today’s standard anyway.Īfter I clustered my collection I was quite amazed. We can create yara sigs to catch these old goodware files looking at signatures that were common back then, but today are no longer used. Being able to recognize them is one way to cluster them into a bucket that we can… simply discard. On many inspected systems, servers, mirrors. You may ask why would we want to even look at it? Well, these files are still out there. Analysing them en masse gives us a rare insight into the ‘state of the MZ stub’ from that time… Many of these files go as early as 1980s. Virustotal report looks really suspicious to me, most antiviruses report some kind of malware inside.Analysing a large corpora of clean files is fun. Warning, possible malware in HX DOS Extender download!Īpparently there is something fishy with downloads available on HX DOS Extender web site. A Win32 API emulation layer is part of HX which allows many Win32 console applications to run in DOS.ĭigital Mars C++ is specifically supported by HX DOS Extender, however. HX fully supports this goal, but goes some steps further. Usually the purpose of a DOS extender is to make protected-mode features available for DOS applications. HX DOS-Extender is a free DOS extender with built-in Win32 PE file format support. For example, HX DOS Extender homepage says: There is a software that emulates Win32 API and allows Windows console programs to be run under DOS. You can get Windows without the GUI only using Server Core install mode in Windows Server 2008. Windows GUI cannot be separated from the kernel and runtime libraries that support Win32 programs (in Windows 98).
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