46 votes

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

Yes, for 'software'. The first hit on a search for 'cd-ro shipped with virus' (typo mine) got me this: MS Solution Provider CD Microsoft (MSFT) has shipped CD-ROMs infected with a little-known virus ...
dave's user avatar
  • 35.6k
40 votes

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

Yes, it happened quite a few times. Software added as covermount to computer magazines may sometimes not be secure. A fast-spreading medium, computer magazines can output over 10,000 discs in a ...
g.kertesz's user avatar
  • 501
37 votes

What were the incentives behind WinWord.Concept computer virus?

I mean no offense to OP, but the question is an anachronism for two reasons that are likely not obvious to typical computer users today: Prior to ubiquitous wide-area networking of personal computers,...
Brian H's user avatar
  • 60.8k
28 votes
Accepted

How many OS/2 viruses were there?

The cited source from the question is the source for the English Wikipedia page as well, that claims that there are only very few known viruses for that system. But the low amount of viruses seems to ...
LаngLаngС's user avatar
  • 1,596
27 votes

How many OS/2 viruses were there?

I have not found a reference, but here's a search for OS/2 on Trend Micro's virus encyclopedia. That finds 30 entries, some of which are actual OS/2 viruses, and some of which are interesting OS/2 ...
John Dallman's user avatar
  • 13.2k
26 votes

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

The very first virus might have been nVir of 1987 Although technically not one, nVir worked much like a boot sector virus. Its source code did circulate on BBSes very soon after, leading to short ...
Raffzahn's user avatar
  • 223k
25 votes
Accepted

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

The very first step of an attack is to probe the target for platform. Pentesting applications such as metasploit have much more numerous and varied techniques to breach Windows 98 as opposed to the ...
dotancohen's user avatar
18 votes

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

Mostly no. Pre-XP versions of Windows are certainly vulnerable to targeted attacks, such as you'd see from Metasploit -- if you're the sort of high-value target that attracts such attacks, don't run ...
Mark's user avatar
  • 8,576
17 votes

What were the incentives behind WinWord.Concept computer virus?

Adding to the existing answer, I remember reading about the circumstances at the time. No anti-virus software looked for Word macro viruses at that point, and the creators of the CD believed they'd ...
John Dallman's user avatar
  • 13.2k
17 votes

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

(The question How could one say that older operating systems are more vulnerable? on Security Stack Exchange (linked by Stephen Kitt in the comments) provides a more in-depth answer, but I will try to ...
JAL's user avatar
  • 9,520
17 votes

Apple II: DOS 3.3 Virus?

I am one of the two authors of Killer DOS. If you know the final lock screen when your disk was corrupted, we took credit as "The Master" and "The Wizard". I was the DOS Master. We were high school ...
Apple II DOS Master's user avatar
13 votes
Accepted

Apple II: DOS 3.3 Virus?

What you're looking for is called Killer DOS, which behaved exactly like the Unnamed First Virus described on the Apple II History Viruses page. Killer DOS may have been the second version described ...
Blrfl's user avatar
  • 643
11 votes

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

The first computer worm is reckoned to be Creeper, which was written by Bob Thomas in 1971 and extended by Ray Tomlinson. It targeted DEC PDP-10 computers running TENEX. It would print "I'm the ...
Stephen Kitt's user avatar
10 votes

What were the incentives behind WinWord.Concept computer virus?

The important part to know about Concept is that it was a self-replicating virus: When an infected document is opened, Concept [...] copies its macros to the template [NORMAL.DOT]. [...] Once NORMAL....
tim's user avatar
  • 201
9 votes

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

One of the first viruses to gain widespread attention was "The Brain." Two brothers from Lahore, Pakistan had written a heart monitoring program, and realized it was being copied and distributed ...
Aaron's user avatar
  • 2,384
8 votes

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

One of the earliest -- if not the earliest -- microcomputer virus is Elk Cloner, an Apple II virus created in the early 1980s as a practical joke. An infected version of DOS would install itself into ...
fadden's user avatar
  • 9,040
7 votes
Accepted

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

The first viruses for Mac were targeting Hypercard. The first Hypercard virus appeared in about 1991. Hypercard has a scripting language called HyperTalk, which was powerful enough to perform file-...
peter ferrie's user avatar
  • 1,314
5 votes

Are there any known viruses for CP/M?

CP/M viruses could have spread quite successfully I doubt about that: A virus cannot infect every kind of file format but only files that contain code: Executable files Other files that contain any ...
Martin Rosenau's user avatar
5 votes

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

@Mark is on the right track with this when discussing targeted versus non-targeted attacks. To be more specific, this depends on the nature of the threat that you are trying to defend against. If you ...
Robert Columbia's user avatar
4 votes

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

I was researching how old Windows 9x viruses, such as Win95.CIH, got ring0 access, and it's shown that one of the approaches was to get the IDT, hook the interrupt handler and trigger an exception, so ...
Raffzahn's user avatar
  • 223k
3 votes

What were the incentives behind WinWord.Concept computer virus?

I believe the motive was just to show it could be done. The following is all just by memory from news coverage at the time: There was a text string in the code somewhere saying something like "...
Mark Foskey's user avatar
3 votes
Accepted

Are there any known viruses for CP/M?

In this 1993 USENET thread, two people claim to have written simple proof-of-concept viruses for CP/M. Since by their account these were programming exercises, it is unlikely that they ever left their ...
john_e's user avatar
  • 7,688
2 votes

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

As things look in 2022: Do differentiate between opportunist malware threats (something scanning around for whatever it could use for a botnet/spam/malware hub) and Advanced Threat Actors(tm)/targeted ...
rackandboneman's user avatar
2 votes

What were the incentives behind WinWord.Concept computer virus?

Hacking and hackers used to have different definitions. It used to be about breaking technological boundaries, gaining computer science, and doing ever-increasingly impressive feats, sometimes ...
phyrfox's user avatar
  • 2,503
2 votes

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

Sega Dreamcast game "Atelier Marie" was a video game served as GD-ROM. It contained, however some extras as a screensaver which were meant to be read by a PC. The developers weren't careful ...
Borg Drone's user avatar
1 vote

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

Windows 9x used protected mode features for stability - stopping most inadvertent programming mistakes from bringing down the system, crashing other programs running, or causing data corruption. Not ...
rackandboneman's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible