| Alias: | Taipan, Whisper |
| Strain: | - |
| detected when: | |
| where: | |
| Classification: | EXE-infector, resident |
| Length: | 496 |
Preconditions | |
| Operating System(s): | MS-DOS |
| Version/Release: | It cannot infect files which have the Read-Only attributeset |
| Computer model(s): | PC's |
| Caroname: | Tai-Pan |
Attributes | |
| Easy identification: | |
Type of Infection: | Appending, uses DOS file length to position virus. Selfrec in memory: INT_21;AX=7BCE -> AX=7BCE Selfrec on disk: FileLength-OrgFileLength=VirusLength |
| Infection Technique: | |
| Infection Trigger: | ([00..01] = "MZ") and (OrgFileLength <= 64833) |
| Storage Media affected: | |
| Interrupts hooked: | 21/4B00, 21/7BCE |
| Stealth: | |
| Tunneling/Selfprot: | |
| Oligo/Polymorphism: | - |
| Encoding Method: | |
| Damage: | Transient: - Permanent: - |
| Damage Trigger: | Transient: - Permanent: - |
| Particularities: | shrinks the current MCB, and creates a new MCB in the released space - copying the original MCB marker. Not displayed text: "[Whisper presenterar Tai-Pan]" |
| Similarities: | |
Agents | |
| Countermeasures: | |
| Standard means: | |
Acknowledgements | |
| Location: | Virus Test Center, University Hamburg, FRG |
| Classification by: | BSI (GISA) / V2, Hubert Schmitz |
| Documentation by: | BSI (GISA) / V2, Hubert Schmitz |
| Date: | 1995-01-10 |
| Information Source: | Caroentry (autom.converter by S.Freitag) |
(c) 1996 Virus-Test-Center, University of Hamburg