VIRUS-L Digest   Thursday,  5 Apr 1990    Volume 3 : Issue 70

Today's Topics:

Where can i find MDISK?? (PC)
PKZ110EU.EXE - Katz's ZIP archive package v1.10, export vers.
Re: =VIR (Mac)
Should "Viruses" be callecd "vampires"?
Thanks-Virus paper
VirusX and Hard Drives
Virus in Text Files
virus hamming?
Dates: day/month/year (Europe) v. month/day/year (USA)
Viruses which kill other viruses

VIRUS-L is a moderated, digested mail forum for discussing computer
virus issues; comp.virus is a non-digested Usenet counterpart.
Discussions are not limited to any one hardware/software platform -
diversity is welcomed.  Contributions should be relevant, concise,
polite, etc.  Please sign submissions with your real name.  Send
contributions to [email protected] (that's equivalent to
LEHIIBM1.BITNET for BITNET folks).  Information on accessing
anti-virus, documentation, and back-issue archives is distributed
periodically on the list.  Administrative mail (comments, suggestions,
and so forth) should be sent to me at: [email protected].

  Ken van Wyk

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Date:    04 Apr 90 10:14:32 +0000
From:    [email protected] (Arent Banck)
Subject: Where can i find MDISK?? (PC)

In the documentation of scanv60, I read that I needed the program
MDISK (OR M-DISK, another problem for Havel).  Where can I find this
program? I can use FTP, and I can deuuencode it if you mail it to me.
(I have A.T. computer using MS-DOS).

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Date:    Mon, 02 Apr 90 15:35:00 -0600
From:    Keith Petersen <[email protected]>
Subject: PKZ110EU.EXE - Katz's ZIP archive package v1.10, export vers.

The latest export version of Phil Katz's ZIP/UNZIP has been uploaded
to SIMTEL20.

Because of the laws restricting exporting encryption technology from
the USA and Canada, and because of the International nature of the
Internet, SIMTEL20 has elected to offer the export version which does
not offer certain file encryption features.

NOTE: Type B is Binary

Directory PD1:<MSDOS.ZIP>
Filename   Type Length   Date    Description
==============================================
PKZ110EU.EXE  B  140116  900402  Katz's ZIP archive package v1.10, export vers.

Keith
- --
Keith Petersen
Maintainer of SIMTEL20's MSDOS, MISC & CP/M archives [IP address 26.2.0.74]
Internet: [email protected], [email protected]  BITNET: w8sdz@NDSUVM1
Uucp: {ames,decwrl,harvard,rutgers,ucbvax,uunet}!wsmr-simtel20.army.mil!w8sdz

------------------------------

Date:    Wed, 04 Apr 90 14:15:09 -0400
From:    Joe McMahon <[email protected]>
Subject: Re: =VIR (Mac)

The "not-equals"VIR resource which you mentioned before comes from
good old Interferon. Nothing to worry about. You do have something to
worry about, though, if that's your only tool for finding viruses!

--- Joe M.

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Date:    Wed, 04 Apr 90 14:51:03 -0400
From:    Peter Jones <[email protected]>
Subject: Should "Viruses" be callecd "vampires"?

On Tue, 03 Apr 90 13:57:00, in VIRUS-L Digest   Wednesday,  4 Apr 1990
Volume 3 : Issue 68, david paul hoyt <[email protected]> said:
>Subject: RE: Death of a virus
>
>  Perhaps my real point should be this
>
>        Computer viruses are not the same thing as biological viruses.

My feeling is that "viruses" should have been called "vampires", for
they change other programs into programs like themselves. But I
suppose it's too late to turn back now.

"Let your flippers do the walking" :-)
Peter Jones                    (514)-987-3542
Internet:Peter Jones <MAINT%[email protected]>  ?
Internet:Peter Jones <MAINT%[email protected]>  ?
UUCP: ...psuvax1!uqam.bitnet!maint

------------------------------

Date:    04 Apr 90 19:10:06 +0000
From:    [email protected] (Richard "Crash" Willis)
Subject: Thanks-Virus paper

I would like to thank all the people who sent me material for my
Internet Worm paper and to appologize for not replying by e-mail to
everyone, but my mail server apparently did not like some addresses.
Anyway, to everyone who requested that I forward material to them,
please respond if you still need info (sorry I've taken so long to get
back) and tell me if you just want everything sent to you, or material
on a certain topic.  Again, I appologize for the lateness of this
post, and thank everyone for their help.
                               -Richard
                                [email protected]

------------------------------

Date:    Wed, 04 Apr 90 15:41:00 -0400
From:    The Mad Doctor <[email protected]>
Subject: VirusX and Hard Drives

>Date:    03 Apr 90 21:47:57 +0000
>From:    [email protected] (Nigel Tzeng)
>Subject: Request for Anit-Viral Software (Amiga)
>
>I am looking for an anti-viral program like the Macintosh Vaccine/GateKeeper
>programs for the Amiga.  I am also looking for an anti-viral program that will
>check my hard drive for viruses on programs that I download directly to it.
>
>I am currently running the most recent version of VirusX but it does not seem
>to scan my hard drive.  So far I am hoping that the large FTP archives are
>clean and merely backing up regularly.  I know this isn't particuarly safe but
>I really do not want to recopy everything to a floppy so that VirusX will look
>at it.  Do I have VirusX misconfigured?  The disk checked count does not
>indicate that it is checking hd0:.

VirusX will not check hard drives...however, Steve Tibbet has included in the
archived file a program called "kv", which will check a file for any of the
known types of viri.  It should have been in the zooed (or lharced) file you
got VirusX with.


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Date:    04 Apr 90 15:57:50 -0500
From:    "Dr. Ruth Mazo Karras" <[email protected]>
Subject: Virus in Text Files

I have heard of a concern that text files (consisting of plain ASCII text)
may contain viruses.  I had thought that only executable files such as
*.com or *.exe files were subject to viruses.  Which view is right?  Is there
risk in moving a text file from a mainframe to a PC?

Chris Karras   [email protected]  or  [email protected]

------------------------------

Date:    Wed, 04 Apr 90 17:20:33 +0000
From:    mike <[email protected]>
Subject: virus hamming?

    hello all,

a few issues back it was mentioned that some viruses are using hamming
techniques to guard against anti-virus programs.  could someone give
me some more info about this, such as which viruses do this, where i
could get articles about viruses that do this.

thanks in advance.
mike lunny
[email protected]

------------------------------

Date:    Thu, 05 Apr 90 10:11:40 -0000
From:    Anthony Appleyard <[email protected]>
Subject: Dates: day/month/year (Europe) v. month/day/year (USA)

In  Virus-L  v3  #68  in  "MIBSRV   files   updated   (PC)",   James   Ford
<[email protected]>  wrote:  These  files  were  downloaded directly from
Homebase BBS on 3/1/90 at 11:30pm. The files they replace  (SHEZ51.ZIP  and
VSUM9002.ZIP)  will  remain  until  3/5ish/90 in case requests for them are
pending at BITFTP.".

As he wrote in USA, presumably the dates are in the order  'month/day/year'
and  mean "1 March 1990" and "5ish March 1990". But in European convention,
dates are written in the order 'day/month/year', and '3/1/90' means "3  Jan
1990".  As  Virus-L  is distributed to very many people outside USA, I feel
that it would be best if users  wrote  dates  with  the  month  in  letters
('Jan', 'Feb', etc), to avoid this ambiguity.

{A.Appleyard} (email: [email protected]), Thu, 05 Apr 90 10:03:48 BST

------------------------------

Date:    Thu, 05 Apr 90 11:19:44 -0000
From:    Anthony Appleyard <[email protected]>
Subject: Viruses which kill other viruses

Ref the articles listed in this extract from the Virus-L vol3 index:-
SUBJECT                                                               ISSUE
<Mac: Inoculation? (spread a special virus that kills ordinary viruses?)>
[Idea for WDEF Inoculation] spread a virus that kills other viruses      33
Not such a good idea [WDEF, WDEF, WDEF]                                  34
I <<don't>> want a virus, even for it to kill other viruses!!!           36
Attempted antivirus virus? Original nVIR deleted system file, so someone
     wrote new nVIR which killed old nVIR [Re: Mac Virus Harmlessness]  36
Best not try it [Re: Idea for WDEF Innoculation]                         38
Good idea! [Re: Idea for WDEF Innoculation]                              38
...........................................................................
Has  someone  already  written  something  like  this?   Klaus   Brunnstein
<[email protected]>  's  document AMIGAVIR.A89 is
said to  contain  the  classifications  of  24  viruses  including  these:-
   12) NORTH STAR I  Antivirus-Virus (NORTH STAR Virus Strain)      =U=
   13) NORTH STAR II Antivirus-Virus (NORTH STAR Virus Strain)      =U=
   19) System Z 3.0 Antivirus-Virus (System Z Virus Strain)         =U=
   20) System Z 4.0 Antivirus-Virus (System Z Virus Strain)         =U=
   21) System Z 5.0 Antivirus-Virus (System Z Virus Strain)         =+=
What are they? What do they do?
{A.Appleyard} (email: [email protected]), Thu, 05 Apr 90 11:06:44 BST

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