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Always.2000


Aliases:


Always.2000

Malware
Virus
W32

Summary

This virus is a polymorphic virus infecting COM and EXE files when they are executed.

Always virus activates on random dates during 1997. When it activates, the virus deletes these system files, making the PC unbootable:

C:\IO.SYS
C:\MSDOS.SYS
C:\CONFIG.SYS

After this, the virus displays this message:

  DOS/4GW Professional Protected Mode Run-time  Version 1.95
           Copyright (c) Rational Systems, Inc. 1990-1993
           Getto Virus  Version 1.0b  Copyright (C) 1995,96 by Geci Allat
           This Getto requirest 80286 or better processor
           Formating Hard Disk #1 [...................]
           Formating Hard Disk #2 [...................]
           Ready.
           gEtTo  Always the Best!  MS-SUX Destroyer

However, the virus does not format any drives. It is possible to recover the drive by booting from a non-infected system disk with the same version of DOS or Windows as on hard drive and using SYS C: from it.

The virus also contains this text, which is never displayed:

  Tested with F-Prot v2.22 and TBAV700

Always was reported to be in the wild in Hungary in December 1996.



Disinfection & Removal

Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.







Description Created: Analysis: Peter Szor, F-Secure 1997



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