| Alias: | --- |
| Strain: | --- |
| detected when: | May 1989 |
| where: | Utrecht (Netherlands) |
| Classification: | Bootsector-Virus |
| Length: | 326 Bytes |
Preconditions | |
| Operating System(s): | Atari-TOS |
| Version/Release: | 1.0, 1.2 (1.4 not yet tested) |
| Computer model(s): | All types of the Atari ST Series |
| Caroname: | 5th_Generation |
Attributes | |
| Easy identification: | First word in the boot sector = $601C. |
Type of Infection: | Infects the boot sector of the disk A, if it is regarded to be non-infected. |
| Infection Technique: | |
| Infection Trigger: | check if bootsector is executable |
| Storage Media affected: | Infection of disc in drive A. |
| Interrupts hooked: | BIOS-Trap used and changed by this virus. |
| Stealth: | |
| Tunneling/Selfprot: | |
| Oligo/Polymorphism: | |
| Encoding Method: | |
| Damage: | Infects the boot sector of the disk, if it is regarded to be un-infected. Clear Track 0 with the FAT and the directory. |
| Damage Trigger: | If counter (at start of virus + 324) = 0. Initial value depends on number of infections. |
| Particularities: | --- |
| Similarities: | --- |
Agents | |
| Countermeasures: | --- |
| Standard means: | Write protect the disk / Write an easily identifiable bootsector / 'Manually' change the checksum to a value other than $1234 . |
Acknowledgements | |
| Location: | Virus Test Center, University Hamburg, FRG |
| Classification by: | Ralf Stegen |
| Documentation by: | Ralf Stegen |
| Date: | 5-June-1990 |
| Information Source: | George R. Woodside |
(c) 1996 Virus-Test-Center, University of Hamburg