From Surf Wiki (app.surf) — the open knowledge base
Ambulance (computer virus)
| Field | Value |
|---|---|
| alias | RedX |
| type | Virus |
| isolation_date | June,1990 |
| origin | Germany |
| platform | DOS |
| file_size | 796 bytes |
Ambulance or Ambulance Car is a computer virus that infected computers running a DOS operating system in June 1990. It was discovered in Germany.
Description

Ambulance does not become memory resident. It infects only one .COM file in any given directory, but not the first one. Thus, there must be at least two .COM files in a directory for it to spread.
When an infected file is executed, an ASCII art ambulance can be seen moving across the screen, a siren starts to sound, and it displays an alert message such as: BOOM! It is not a deliberately destructive virus; it simply spreads itself around and shows off its payload once in a while. In certain iterations of the virus, the ambulance will only appear once per boot-up.
Variants
These are just some of many variants detected:
- Ambulance Car-B
- RedX-Any
- Ambulance.793
- Ambulance.793.A
- Ambulance.795
- Ambulance.796A
References
References
- "Ambulance Car Virus". 1996 Virus-Test-Center, University of Hamburg.
- "AMBULANCE.796A - Threat Encyclopedia".
- "Ambulance Car Virus".
- "Virus.DOS.Ambulance.796.a". Virus List.
This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.
Ask Mako anything about Ambulance (computer virus) — get instant answers, deeper analysis, and related topics.
Research with MakoFree with your Surf account
Create a free account to save articles, ask Mako questions, and organize your research.
Sign up freeThis content may have been generated or modified by AI. CloudSurf Software LLC is not responsible for the accuracy, completeness, or reliability of AI-generated content. Always verify important information from primary sources.
Report