Jumping_Jack

Alias:Gippo.Hysteria
Strain:Gippo strain
detected when:
where:
Classification:EXE-infector
Length:NONE

Preconditions

Operating System(s):MS-DOS
Version/Release:All models
Computer model(s):PC's
Caroname:Gippo.Jumping_Jack

Attributes

Easy identification:

Type of Infection:

The virus appends itself to the files Selfrec on disk: FileTime = 04:08

Infection Technique:
Infection Trigger:On execution of an infected file
Storage Media affected:
Interrupts hooked:8 (System timer)
Stealth:
Tunneling/Selfprot:
Oligo/Polymorphism:-
Encoding Method:
Damage:Transient: Virus hooks Int 8 for a shake-screen effect,LIKE Gippo.Earthquake Permanent: LIKE Gippo.Earthquake
Damage Trigger:Transient: Month = 1 month after the executed filewas initially infected Permanent: LIKE Gippo.Earthquake
Particularities:Displayed text: "Fit of hysteria offered by G.I.P.Po" ; Encrypted.Will probably never be displayed due to a bug. Not displayed text: "JumpingJackúPR""\""*.e?e""smartc*.cps" Very similar to Gippo.Earthquake, but without encryption.Additionally, author is now attempting to outsmart heuristicscanners (*.exe -> *.e?e, smartchk.cps -> smartc*.cps).
Similarities:Gippo.Earthquake, Gippo.EpidemicWare

Agents

Countermeasures:
Standard means:

Acknowledgements

Location:Virus Test Center, University Hamburg, FRG
Classification by:Gilad Japhet, BRM Technologies
Documentation by:Gilad Japhet, BRM Technologies
Date:1994-03-14
Information Source:Caroentry (autom.converter by S.Freitag)

(c) 1996 Virus-Test-Center, University of Hamburg