AMIGA KNIGHT VIRUS (31-July-1993) == Computer Virus Catalog 1.2: VirusTest_bomb_936 Bomb (31-July-1993) == Entry...............: VirusTest_bomb_936 Bomb Alias(es)...........: --- Virus Strain........: --- Virus detected when.: --- where.: --- Classification......: Bomb Length of Virus.....: 936 bytes (+ 1 byte in "virustest.data") --------------------- Preconditions ------------------------------------ Operating System(s).: AMIGA-OS Version/Release.....: 1.2/all, 1.3/all Computer model(s)...: All AMIGA models --------------------- Attributes --------------------------------------- Easy Identification.: There is a "startup-sequence" entry called "virustest", and there is always a 2nd file called "virustest.data" with 1 byte length in root directory. If diskette is write protected, bomb will write to Shell: "User Request : Please remove write Protection and press left Mouse Button to continue.." Type of infection...: --- (damage only) Infection Trigger...: --- Storage media affected: Floppy disks only Interrupts hooked...: --- Damage..............: Permanent damage: formating the floppy disk Damage Trigger......: Permanent damage: starting this program with the byte in "virustest.data" counted down to zero. Particularities.....: Calling DosFunction with Dosbase in A5 Register can crash recent Operating System versions. Similarities........: TimeBomb V0.9 (seems to be a new version) --------------------- Agents ------------------------------------------- Countermeasures.....: VirusZ 3.06, VT 2.54, VirusChecker 6.28 Countermeasures successful: VirusZ 3.06, VT 2.54, VirusChecker 6.26 Standard means......: Delete the files "virustest", "virustest.data", and "startup-sequence" entry, or use VT 2.54. --------------------- Acknowledgement ---------------------------------- Location............: Virus Test Center, University Hamburg, Germany Classification by...: Jens Vogler Documentation by....: Jens Vogler Date................: 31-July-1993 Information Source..: Reverse analysis of virus code .