NANO Virus

Alias:---
Strain:CompuPhagozyte Virus strain ---
detected when:---
where:---
Classification:link virus (directory type), resident
Length:1. Length on storage medium: 1484 bytes 2. Length in RAM: up to 3976 bytes

Preconditions

Operating System(s):AMIGA-OS
Version/Release:only AMIGA-OS 1.2 / all releases
Computer model(s):all models
Caroname:Compuphagozyte.Nano

Attributes

Easy identification:s:startup-sequence contains line with six invisible characters (ASCII code $A0); root directory cotains file of the same name

Type of Infection:

Infection Technique:
Infection Trigger:call to OldOpenLibrary vector
Storage Media affected:
Interrupts hooked:
Stealth:
Tunneling/Selfprot:
Oligo/Polymorphism:
Encoding Method:
Damage:Permanent damage: manipulation of startup-sequence: virus inserts its filename (see above) at the beginning of startup-sequence. Due to a buggy routine, this may corrupt the sartup-sequence if it is longer than 1000 bytes. Sequence may be subsequently infected as virus doesn`t check if change is already present Transient damage: a) displays german flag b) diplays alert box containing text: "...another masterpiece by N A N O !!!" "GREETINGS TO:" "Byte Bandit, Byte Warrior,DEF JAM," "DiskDoktors, FANTASY, Foundation For" "The Extermination Of Lamers I.R.Q." "Team, Obelisk Softworks Crew, S.C.A.," " UNIT A ..."
Damage Trigger:Permanent damage: see intection trigger Transient damage: a) fifth reset after virus installation b) fifth infection
Particularities:- resident programs using the CoolCapture, Cold- Capture or KickTagPtr vectors are shut down
Similarities:CompuPhagozyte family

Agents

Countermeasures:Virus Workshop V3.6, VT 2.65
Standard means:VT 2.65

Acknowledgements

Location:Virus Test Center, University of Hamburg, Germany
Classification by:Karim Senoucci
Documentation by:Karim Senoucci
Date:12-July-1994
Information Source:Virus analysis, information by H.Schneegold

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