| Alias: | |
| Strain: | - |
| detected when: | |
| where: | |
| Classification: | COM-infector |
| Length: | 601 |
Preconditions | |
| Operating System(s): | MS-DOS |
| Version/Release: | All models |
| Computer model(s): | PC's |
| Caroname: | Dewdz |
Attributes | |
| Easy identification: | |
Type of Infection: | The virus prepends itself to the files Selfrec on disk: File[0] == 0E8h (Call ####) |
| Infection Technique: | |
| Infection Trigger: | search D: then C: then A: recursively (breadth first)excluding system files. Directories are only searched if they containno "." |
| Storage Media affected: | |
| Interrupts hooked: | |
| Stealth: | |
| Tunneling/Selfprot: | |
| Oligo/Polymorphism: | - |
| Encoding Method: | |
| Damage: | Transient: Write MSG_DISPLAYED: to (80x25) centre of screenand wait for keypress before continuing. Permanent: - |
| Damage Trigger: | Transient: 21% random chance, based on system time Permanent: - |
| Particularities: | The virus is not memory resident. copy routine to restore host program copies too many byteswhich is highly likely to crash the machine on exit from the virus. Displayed text: "Kewl Dewdz!"; Encrypted Not displayed text: "Made in STL (c) '91"; Encrypted Subdirectories within directories are counted to within the directory. |
| Similarities: | |
Agents | |
| Countermeasures: | |
| Standard means: | |
Acknowledgements | |
| Location: | Virus Test Center, University Hamburg, FRG |
| Classification by: | Adam David, Frisk Software International |
| Documentation by: | Adam David, Frisk Software International |
| Date: | 28.7.93 |
| Information Source: | Caroentry (autom.converter by S.Freitag) |
(c) 1996 Virus-Test-Center, University of Hamburg