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Topic: Macro virus


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  Winword Macro Viruses
The DMV (Demonstration Macro Virus) virus was originally described in the paper "Document Macro Viruses" by Joel McNamara who conveniently infected the document containing the paper with the virus so the reader could experience it first hand.
The Concept macro (alias Prank) is similar to the DMV macro virus in that it is a demonstration that a macro virus can be created.
Macro viruses are here to stay and we must deal with them in the same manner that we have had to deal with other viruses.
ciac.llnl.gov /ciac/bulletins/g-10a.shtml   (3473 words)

  
 Macro Virus Update
Second, because macro viruses are easy to write or modify, the growth rate of macro viruses is very high making it likely that you will encounter a new virus that your scanner will not detect.
In the original Wazzu virus, when a document is opened the virus macro runs and with a probability of 0.2 randomly moves 3 words in the document and then with a probability of 0.25 inserts the text "Wazzu " at some random location in the text.
When a macro virus has gotten onto a system and is run, the first thing it does is to see if it is in the normal.dot template file or in a document.
ciac.llnl.gov /ciac/bulletins/i-023.shtml   (2164 words)

  
 Computer Security Guide - Macro Virus
Some dangerous things a Macro Virus can do besides simply spreading might be to delete/change document contents, change settings in the Word environment, set a password, delete files, copy a DOS Virus to the user's system or insert harmful lines into the config.sys or autoexec.bat files.
A Macro Virus can be called stealthy when it tries to trick the user into believing it is not present, or makes changes in Word for example in order to protect itself from being deleted.
If the user believes he has a virus, he can use the ToolsMacro command in the menu to see what macros are present in the system, and the viral macros would be revealed.
www.ullapool.co.uk /macro.html   (544 words)

  
 Office 98 Macro Virus
Word macro viruses do not travel freely over the Internet or any other media; they can only be transferred when a user opens a document or template that contains the virus macro.
A macro virus is a computer virus that "infects" a Microsoft Word or similar application and causes a sequence of actions to be performed automatically when the application is started or something else triggers it.
If you do not have any of the symptoms described, but you do not want to be affected by a macro virus, hold down the SHIFT key when you open a file that might be affected by a macro virus.
biochemistry.ucsf.edu /~tech/Support/MacOS9/98macro.html   (642 words)

  
 Definition of Macro virus
In computer technology, a macro virus is a virus that exploits applications which allow their associated documents to contain executable code, known as a macro.
For example, a spreadsheet program may enable the user to embed "macro" commands in a document to automate certain operations; this makes it possible to use that same facility to program a virus into the spreadsheet that can attack users of that program.
In science fiction, a macro virus is a multi-cellular virus that is visible to the naked eye, such as The Ripley.
www.wordiq.com /definition/Macro_virus   (420 words)

  
 How to deal with a macro virus in Word 2000 or Word 2002   (Site not responding. Last check: 2007-10-20)
For example, macros with names such as AutoOpen, AutoNew, AutoExec, or FileSaveAs may appear; if you already had macros by these names, their contents may have been changed by the macro virus, or your macro may have been renamed.
A macro virus is a program that is written in the macro language of a application, for example, Microsoft Word.
Macro viruses also cannot be transferred by electronic mail (e-mail), unless an affected document is attached to the e-mail message, and the recipient opens the document (attachment).
search.support.microsoft.com /?scid=kb;en-us;211800   (1233 words)

  
 Macro virus - Wikipedia, the free encyclopedia
A macro virus, in computing, is a computer virus that exploits programs' associated documents(such as MS Word Documents) to contain harmful embedded code -.
A macro virus, in biology, is a virus that is larger than usual, e.g.
None have as yet been discovered yet, although the concept has been featured several times in science fiction.
en.wikipedia.org /wiki/Macro_virus   (139 words)

  
 CERT Advisory CA-1999-04 Melissa Macro Virus
Our analysis of this macro virus indicates that human action (in the form of a user opening an infected Word document) is required for this virus to propagate.
This macro virus is not known to exploit any new vulnerabilities.
Upon execution, the virus first lowers the macro security settings to permit all macros to run when documents are opened in the future.
www.cert.org /advisories/CA-1999-04.html   (1550 words)

  
 Virus Glossary of Terms   (Site not responding. Last check: 2007-10-20)
When the PC boots, the virus program is run and will typically install itself into memory before the operating system is loaded.
A Macro Virus is a malicious macro that a user may execute inadvertently and that may cause damage or replicate itself.
This type of virus takes control of the system at a low level by activating between the system hardware and the operating system.
www.mcafee.com /us/security/resources/glossary.htm   (2313 words)

  
 W97M.Melissa Word Macro Virus
Macros detected by Macro Virus Protection are not necessarily a virus.
However, if you are alerted to a macro attached to a document you should be extremely wary because most people do not have macros attached to their documents.
Whenever you open a document that contains macros, the macro virus protection opens a dialog box telling you that there are macros in the document and giving you the option to: Open the document with the macros enabled, open the document with the macros disabled, or cancel the open operation.
www.ciac.org /ciac/bulletins/j-037.shtml   (2271 words)

  
 Macro Virus Protection in the Microsoft Office Line, Part One
ScanProt macro virus protection utility macros (there were at least 4 versions of them.) They shouldn't have - these utilities provided protection only against Concept, ignoring the fact that by then there were about a dozen of Word macro viruses back then.
If the macro was found to belong to a known virus, it was removed from the upconverted document without any warning or information.
Therefore, even if a Word 6 virus using execute-only macros was upconverted to a Word 97 virus, it would have a protected VBA project, and it wouldn't be able to infect further documents.
www.securityfocus.com /infocus/1468   (1768 words)

  
 F-Prot, Macro Virus Protection
If this option is selected, all macros are removed from any file containing a new or modified variant of a macro virus.
Macros allow people to save text and/or a sequence of keystrokes and menu choices to be reused whenever they're needed; people assign the macros a name and use the macros with many documents.
The macros coupled with Word's template feature let people create "documents" that will automatically execute a set of instructions when they are opened; they create a mini program.
www1.umn.edu /oit/newsletter/0797-itn/f-prot_macro.html   (803 words)

  
 Macro virus
For example, a macro attached to a Microsoft Word document might be executed every time you save the document and cause its text to be run through an external spell checking program.
A macro virus is a virus that exists as a macro attached to a data file.
One example of a macro virus is the Melissa virus.
www.bullguard.com /antivirus/vi_macro-virus.aspx   (285 words)

  
 How to remove unknown macro virus?   (Site not responding. Last check: 2007-10-20)
Virus can start automatically when you are opening a document for reading.
Virus has additional destructive function: when month number + day number equivalent 13 it begins damage dll and exe files so your operation system is dying.
To use this antivirus against other virus you must test this virus enough and understand what you are doing.
www.brigsoft.com /antimacrovir/virarticle.shtml   (1591 words)

  
 BU Web: Virus Alert - Melissa Word Macro Virus
If the recipient opens the Word file and does not have Word macro virus checking turned on, the macro is executed and his or her system is infected.
More details are available in the CERT Advisory on the Melissa Word macro virus, which includes a number of useful links to other sites.
To avoid sending this virus on to new recipients, you should not send any further e-mail until you remove the Melissa Word macro virus from your computer.
www.bu.edu /computing/virus/melissa.html   (542 words)

  
 Word macro virus alert "Melissa Macro Virus"
If the attached Word document is opened and the macro virus is enabled (that is, it is allowed to run), it can propagate itself by sending e-mail with the infected document to a number of recipients.
Word 97 will protect your computer from macro viruses, including this one, provided the macro virus protection is turned on (this is the default setting).
The virus is only activated if you open the attached Word document and choose to enable the macros or if your macro virus protection settings have been turned off.
support.microsoft.com /support/kb/articles/Q224/5/67.asp   (1133 words)

  
 BanMacro - Software Utility to end the macro virus problem.
The most common type of viruses found nowadays is the macro virus.
Macro viruses are easy to create and they can do almost anything a Windows EXE program can.
The latest feature exploited by macro viruses is the use of email to spread the virus itself.
www.pspl.com /products/banmacro.htm   (321 words)

  
 CNN - New Word 97 macro virus discovered - November 5, 1999
The latest macro virus to strike is a Microsoft Word 97 Macro virus called W97M.BMH, or simply BMH, which infects the global template or normal.dot of Word 97 and will infect every document opened or created on the infected system.
While macro viruses are fairly easy to create and more and more common, this one is different because the normal procedure for removing such viruses, cleaning the normal.dot file, does not work with BMH.
Once the virus infects a system it will also set the macro virus warning system within Office to the lowest setting, enabling future virus infections.
www.cnn.com /TECH/computing/9911/05/word97.virus.idg   (493 words)

  
 Macro virus
A pesar de que los macro virus son escritos en los lenguajes macro de MS-Word o MS-Excel y por consiguiente deberían infectar únicamente a documentos y hojas de cálculo, es posible desarrollar macro virus que ejecuten llamadas al sistema operativo, dando órdenes de borrar archivos o hasta de reformatear al disco duro.
Los macro virus a pesar de tener acciones muy sofisticadas en sus procesos de infección, son sumamente fáciles de crear o modificar, pues tan sólo es necesario tener nociones de programación en lenguaje macro.
A partir de esa fecha la creación de macro virus ha sido una constante a través de mensajes enviados por correo electrónico con macro virus infectados anexados a los mismos.
www.persystems.net /sosvirus/general/macrovir.htm   (477 words)

  
 VBA Emulation: A Viable Method of Macro Virus Detection? Part One
As it is a version-dependent representation, when the virus is opened in the original Excel version (Excel97 in this case), the execodes are used and the virus activates.
Office macro execution is event-driven; one cannot point out an instruction and say that it is the first virus instruction that will be executed.
Whenever a macro with that name exists, and the event is fired, the macro is executed (if the automacro execution is not turned off programmatically or by holding down the SHIFT key).
www.securityfocus.com /infocus/1571   (1930 words)

  
 Glossary of terms
Each detected virus, Trojan and worm, and family of virus, Trojan and worm variants, are each given a name.
The term 'virus' is often used generically to refer to both viruses and worms.
Word 97 macro Trojans are documents which, when opened, have undesirable effects on the system such as deleting files or compromising system security.
www.sophos.com /pressoffice/news/articles/2001/11/va_glossary.html   (3353 words)

  
 PC Hell: Killer Resume Virus - Macro Virus - Help
The "Killer Resume" virus is similar to the Melissa macro virus that spread across the world in 1999.
Released on May 26th, 2000, a Word macro virus spreading via email using Microsoft Outlook was released.
Macros are small programs designed to improve the speed and efficiency of a document by combining multiple tasks into one and running them all at once, however they pose a grave risk in security.
www.pchell.com /virus/killerresume.shtml   (569 words)

  
 W97M.Melissa.A
W97M.Melissa.A is a Word 97 macro virus that has a payload to email itself using MS Outlook.
Although there is nothing unique in the infection routine of this macro virus, it has a payload that utilizes MS Outlook to send an attachment of the infected document being opened.
Note that the virus will also infect other documents on the user's machine, using the normal infection mechanisms of macro viruses, even if the user does not have MS Outlook.
www.symantec.com /avcenter/venc/data/mailissa.html   (755 words)

  
 Foxz 'Interview with Aurodreph/SLAM' (VX heavens)
I was student and i search some space to propose my macro virus collections to the World...
A good definition of the perfect macro virus could small, indestructible and invisible for the user.
Tjoro is a pretty simple macro virus but it makes the job (replication).
vx.netlux.org /lib/iv006.html   (570 words)

  
 WD: Frequently Asked Questions About Word Macro Viruses
Also, Word macro viruses can be spread across platforms; for example, the macro virus can infect files on the Windows platform, as well as files on the Macintosh platform.
If you are familiar with the Word macros you have on your system, you can look through the various macros for ones that you do not recognize.
A macro virus embeds itself into your file and can, most commonly, spread to others if you share files from a disk, network drive, external drive media, or any of a number of other file transfer methods.
support.microsoft.com /default.aspx?scid=http://support.microsoft.com:80/support/kb/articles/q187/2/43.asp&NoWebContent=1   (1048 words)

  
 Avast, ATLAS-T: A free anti-macro virus tool.   (Site not responding. Last check: 2007-10-20)
Annoyed by infections on his network by VicodinES' Class virus in December of this year, Crypt Newsletter reader Nic Brown started working on a simple program to take away Microsoft Word's ability to act as a conduit for many macro viruses.
It will not protect against all macro viruses -- no anti-virus software can do that -- but it worked brilliantly against Class and is effective against many, many generic Word macro viruses and goes along way toward correcting the criminally brain-dead computer security model Microsoft implements in Word.
This kind of macro is used in the infamous 'Melissa' virus.
sun.soci.niu.edu /~crypt/other/atlast.htm   (507 words)

  
 Word-Macro Virus Warning
The virus itself is simply an example of how such a virus could be implemented and does not attempt to hide at all.
Microsoft has released a new version of its macro virus protection program (see below) that checks all Word documents as you open them and tells you if they contain a macro or not.
Other auto- macros may still run so you must check for a virus before doing anything else.
www.emergency.com /wordvrus.htm   (3696 words)

  
 97-0007: FWD: Laroux Excel Macro Virus
This virus is able to operate in Excel 5.x and 7.x under Windows 3.x, Windows 95, and Windows NT.
The auto_open macro executes whenever a spreadsheet is opened, followed by the check_files macro that determines the startup path of Excel.
Presence of the virus is indicated by the word "laroux" in the sheet tab.
www.stanford.edu /~security/Advisories/97-0007.html   (878 words)

  
 Macro virus
A MAC or Macro virus is a type of computer virus that spreads to other computers through software programs that utilize macros.
For example, Microsoft Word and Microsoft Excel are two popular and widely used programs that are capable of executing macros.
Macro viruses written for these programs can quickly spread by infecting other related documents each time the document is open.
www.computerhope.com /jargon/m/mvirus.htm   (94 words)

  
 What is macro virus? - A Word Definition From the Webopedia Computer Dictionary
A type of computer virus that is encoded as a macro embedded in a document.
These applications allow you to embed a macro in a document, and have the macro execute each time the document is opened.
Antivirus programs can protect your system against most macro viruses, although new ones are always being created that slip by the antivirus filters.
www.webopedia.com /TERM/M/macro_virus.html   (214 words)

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