| name | type | date isolation | country of isolation | continent of isolation | country of origin | continent of origin | Operating system affected | Developer |
|---|---|---|---|---|---|---|---|---|
| Acme (computer virus) | 1992 | United States | Americas | DOS | ||||
| AIDS (Trojan horse) | 1989 | United States | Americas | DOS | ||||
| Elk Cloner | 1982 | United States | Americas | United States | Americas | |||
| MDEF | 05/1990 | United States | Americas | United States | Americas | |||
| Natas (computer virus) | 05/1992 | United States | Americas | DOS |