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Amiga Virus Encyclopedia
Gral Virus (Saddam Clone)
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====== Computer Virus Catalog 2.0: Saddam.Gral Virus (1-II-1994) =======
Entry...............: Saddam.Gral Virus
Alias(es)...........: ---
Virus Strain........: Saddam Virus Strain
detected when.: ---
where.: ---
Classification......: System virus (replacing), memory resident
Length of Virus.....: 1.Length on storage medium: 1848 byte
2.Length in RAM : 1936 byte
--------------------- Preconditions -------------------------------------
Operating System(s).: AMIGA-DOS
Version/Release.....: 1.2/all, 1.3/all
Computer model(s)...: All AMIGA models
--------------------- Attributes ----------------------------------------
Easy identification.: typical text: '! lleh eht ot yaw eht'
decoded in memory: ' HolyGralViri'
Type of Infection...: Self-identification method: see Saddam.Original
System infection: see Saddam.Original
Infection Trigger...: See Saddam.Original
Storage Media affec.: See Saddam.Original
Systemcalls hooked..: See Saddam.Original
Stealth.............:
Tunneling/Selfprot..:
Oligo/Polymorphism..:
Encoding Method.....:
Damage..............: Permanent damage:
1. If no Disk-Validator program exists on disk
or no L: directory, both are built (re-
placing Disk-Validator program oī ōisk).
2. Firus dectroys a block by writing "GRAL"
over existing data.
3. Virus makes Bitmap NOT VALID, so running
Disk-Validator next time will infect System.
4. Virus starts diskhead stepping in all floppy
drives and writing on disk (if writeable)
which will result in trackdisk errors.
Transient damage: Mouse pointer will disappeaņ,
and an AlErt will `e displayed with text:
' HolyGralViri'. After pressing mouse
button, cold Beset.
Damage Trigger......: Permanent damage: same as Saddam.Original virus:
1) insertion of a diskette
2) reading a Datablock
3) accessing rootblock
Transient damage: reading bootblock after a
certain time; same as Saddam.Original virus.
Particularities.....: See Saddam.Original virus.
Similarities........: Saddam virus strain
--------------------- Agents --------------------------------------------
Countermeasures.....: Virus Workshop 3.0, VT 2.60, VC 6.33,
VirusZ II 1.00
Standard means......: VT 2.60
--------------------- Acknowledgements ----------------------------------
Location............: Virus Test Center, University Hamburg, Germany
Classification by...: Jens Vogler
Documentation by....: Jens Vogler
Date................: 1-II-1994
Information Source..: Reverse analysis of virus code
======================= End of Saddam.Gral Virus ========================
Antivirus removal...: Kickstart 1.2 & 1.3 : VT-Schutz v3.17
Kickstart all others: VirusZ III with Xvs.library installed
Screenshot of Gral Virus (Saddam Clone):
