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Questions tagged [malware]

This tag is intended for older, vintage Malware (malicious software), a type of program designed to access a computer system without the owner's informed consent, usually for reasons of data theft or other destructive purposes.

32 votes
3 answers
7k views

Has there ever been a pressed optical disc containing a computer virus?

I got 200 computer CD games here and I think checking them for viruses would be inappropriate. Also, when I bought software on CD I was always sure there is no virus. I wonder if there ever was ...
zomega's user avatar
  • 5,372
10 votes
2 answers
742 views

Why did Windows 9x allow ring-3 software to change IDT?

I was researching how old Windows 9x viruses, such as Win95.CIH, got ring 0 access, and it's shown that one of the approaches was to get the Interrupt Descriptor Table, hook the interrupt handler and ...
Ilia Ershov's user avatar
16 votes
5 answers
3k views

What were the incentives behind WinWord.Concept computer virus?

I've just read this passage on the October 1995 issue of Virus Bulletin: WinWord.Concept The WinWord.Concept virus reported in last month’s Virus Bulletin has been found on at least one CD-ROM. ...
sourcream's user avatar
  • 277
8 votes
2 answers
2k views

What was the first computer malware that could infect Mac systems?

The number of malware that can infect Mac computers has increased significantly last decade (2010-2019), particularly scams (including tech support scams) and fake anti-malware apps. since when ...
hinamuyatutama's user avatar
13 votes
2 answers
858 views

Are there any known viruses for CP/M?

Are there any (known) viruses for CP/M? Chronologically, CP/M machines fit into the time period of the first home computer viruses, starting with other 8-bit computers. Given the hardware ...
Radovan Garabík's user avatar
33 votes
2 answers
3k views

How many OS/2 viruses were there?

When I was in college, I remember IBM representatives trying to sell OS/2 Warp to students and teachers by saying that there were no (known) viruses for OS/2. (Of course, that didn't stop the makers ...
JRN's user avatar
  • 1,265
17 votes
3 answers
1k views

Apple II: DOS 3.3 Virus?

Does anyone know the source of this Apple II DOS 3.3 virus that infected my disks back in the 1990's? I got it from a public domain disk collection that was given to me by a friend, called the ...
Dale Mahalko's user avatar
  • 3,649
38 votes
6 answers
7k views

Are old versions of Windows at risk of modern malware attacks?

On my answer to a previous question (Can I run Windows 98 and games from the same era on an AMD Duron CPU?) I finished with a warning about using Windows 98 on the Internet, which received the ...
Aaron's user avatar
  • 2,384
16 votes
4 answers
508 views

What was the first intentional malware that got spread over multiple machines?

I would like to know which program can be seen as the first malware. To define the term "malware" in this question, I would suggest those criteria, but you may modify them if you feel the need: real ...
Byte Commander's user avatar