VKILL 1.0 Virus (5-June-1990) Entry...............: VKILL 1.0 Virus Alias(es)...........: --- Virus Strain........: --- Virus detected when.: March 1989 where.: Elmshorn, FRG Classification......: system virus (bootblock), resident Length of Virus.....: 1. length on storage medium: 1024 byte 2. length in RAM : 1024 byte --------------------- Preconditions ----------------------------------- Operating System(s).: AMIGA-DOS Version/Release.....: 1.2/33.166, 1.2/33.180, 1.3/34.5 Computer model(s)...: AMIGA 500, AMIGA 1000, AMIGA 2000A, AMIGA 2000B --------------------- Attributes -------------------------------------- Easy Identification.: typical text: -- virus feature: 'VKILL 1.0' requester before opening CLI and detecting a virus or a non- standard bootblock (see below) Type of infection...: self-identification method: --- system infection: RAM resident, reset resident, bootblock Infection Trigger...: reset (CONTROL + Left-AMIGA + RIGHT-AMIGA) operation: on bootable standard bootblocks: any access on bootblock sectors (blocks 0,1) created using normal file system and new fast file system; on nonstandard bootblocks: when detecting a virus or a nonstandard bootblock AND 'VKILL 1.0' request AND positive answer Storage media affected: only floppy disks (3.5" and 5.25") Interrupts hooked...: --- Damage..............: permanent damage: overwrites bootable standard bootblocks; simulates bootable standard boot- blocks when examined with any tool transient damage: screen buffer manipulation: 'VKILL 1.0' requester before opening CLI and detecting a virus or a nonstandard bootblock (see below) Damage Trigger......: permanent damage: reset operation on bootable standard bootblocks: any access on bootblock sectors (blocks 0,1) operation on nonstandard bootblocks: when detecting a known virus or a nonstandard boot- block (see below) AND 'VKILL 1.0' request AND positive answer transient damage: when detecting a known virus or a nonstandard bootblock (see below) Particularities.....: a resident program using the CoolCaptureVector is shut down; detects BYTE BANDIT, SCA (and SCA clones) and nonstandard bootblocks; detects standard bootblocks of the new fast filing system ('DOS' + $01); virus encodes itself using ascii characters ' Ken' as key Similarities........: --- --------------------- Agents ------------------------------------------ Countermeasures.....: Names of tested products of Category 1-6: Category 1: .2 Monitoring System Vectors: 'CHECKVECTORS 2.2' .3 Monitoring System Areas: 'CHECKVECTORS 2.2','GUARDIAN 1.2', 'VIRUSX 4.0' Category 2: Alteration Detection: --- Category 3: Eradication: 'CHECKVECTORS 2.2', 'VIRUSX 4.0' Category 4: Vaccine: --- Category 5: Hardware Methods: --- Category 6: Cryptographic Methods: --- Countermeasures successful: without restrictions: 'CHECKVECTORS 2.2', 'VIRUSX 4.0' with restrictions: 'GUARDIAN 1.2' Standard means......: 'CHECKVECTORS 2.2' --------------------- Acknowledgement --------------------------------- Location............: Virus Test Center, University Hamburg, FRG Classification by...: Wolfram Schmidt Documentation by....: Alfred Manthey Rojas Date................: 5-June-1990 Information Source..: --- .