| Alias: | |
| Strain: | --- |
| detected when: | October 1989 |
| where: | Israel |
| Classification: | Resident, appending EXE infector. |
| Length: | 1) Length on media: 1408 bytes |
Preconditions | |
| Operating System(s): | MS-DOS |
| Version/Release: | 2.xx and above |
| Computer model(s): | IBM PC, XT, AT and compatibles |
| Caroname: | Alabama.A |
Attributes | |
| Easy identification: | --- |
Type of Infection: | Appends itself to the executed file. |
| Infection Technique: | |
| Infection Trigger: | Any INT 21h load/execute function-call. |
| Storage Media affected: | |
| Interrupts hooked: | INT 21h function 4Bh (load and execute); INT 24h. |
| Stealth: | |
| Tunneling/Selfprot: | |
| Oligo/Polymorphism: | |
| Encoding Method: | |
| Damage: | Permanent damage: --- Transient damage: One hour after the start of an infected program, the following message will be displayed: "SOFTWARE COPIES ARE PROHIBITED BY INTERNATIONAL LAW", "Box 1055 Tuscambia ALABAMA USA" The message is encrypted by the NOT function. |
| Damage Trigger: | Permanent damage: --- Transient damage: 1 hour after starting an infected program. |
| Particularities: | --- |
| Similarities: | --- |
Agents | |
| Countermeasures: | Skulasons F-PROT 2.06a, McAfee SCAN V99. |
| Standard means: | Reboot and delete infected files. |
Acknowledgements | |
| Location: | Virus Test Center, University of Hamburg, Germany. |
| Classification by: | Michael Haack |
| Documentation by: | Michael Haack |
| Date: | 01-FEB-1993 |
| Information Source: | Virus-code analysis |
(c) 1996 Virus-Test-Center, University of Hamburg