| Alias: | --- |
| Strain: | SCA Virus |
| detected when: | 8th September 1989 |
| where: | Elmshorn, FRG |
| Classification: | system virus (bootblock), resident |
| Length: | 1. length on storage medium: 1024 byte 2. length in RAM : 1024 byte |
Preconditions | |
| Operating System(s): | AMIGA-DOS |
| Version/Release: | 1.2/33.166, 1.2/33.180 and 1.3/34.20 |
| Computer model(s): | AMIGA 500, AMIGA 1000, AMIGA 2000A, AMIGA 2000B |
| Caroname: | SCA.LSD |
Attributes | |
| Easy identification: | typical text: 'DON'T PANIC, Marl of LSD is Here The Virus was Strong !! But LSD is Stronger Thanks SCA for this great Code. Hi Ozz & Rebel Servo & Storeroom Boy! Now back to the Boot!!" virus feature: pressing left mouse/fire button of port 1 during system reboot, causes the screen to become green and the virus to shut down it- self by clearing ColdCapture and CoolCapture Vectors. |
Type of Infection: | self-identification method: testing 3rd longword for matching string 'CHW!' system infection: RAM resident, reset resident, bootblock |
| Infection Technique: | |
| Infection Trigger: | reset (CONTROL + Left-AMIGA + RIGHT-AMIGA) |
| Storage Media affected: | only floppy disks (3.5" and 5.25") |
| Interrupts hooked: | --- |
| Stealth: | |
| Tunneling/Selfprot: | |
| Oligo/Polymorphism: | |
| Encoding Method: | |
| Damage: | permanent damage: overwriting bootblock transient damage: screen buffer manipulation: screen becomes black, message (see above) is shown by fading in and out peaces of it |
| Damage Trigger: | permanent damage: reset transient damage: 15th infection |
| Particularities: | a resident program using the CoolCaptureVector is shut down, also when using the ColdCapture Vector when the virus is shut down by its 'suicide' function |
| Similarities: | SCA virus strain |
Agents | |
| Countermeasures: | 'CHECKVECTORS 2.2', 'GUARDIAN 1.2', 'VIRUSKILLER 2.0', 'SCA-PROTECTOR 1.0', 'VIRUSX 4.0'; own suicide function |
| Standard means: | 'CHECKVECTORS 2.2' |
Acknowledgements | |
| Location: | Virus Test Center, University Hamburg, FRG |
| Classification by: | Oliver Meng |
| Documentation by: | Alfred Manthey Rojas |
| Date: | 5-June-1990 |
| Information Source: | --- |
(c) 1996 Virus-Test-Center, University of Hamburg