Parent class: VirWare

Viruses and worms are malicious programs that self-replicate on computers or via computer networks without the user being aware; each subsequent copy of such malicious programs is also able to self-replicate. Malicious programs which spread via networks or infect remote machines when commanded to do so by the “owner” (e.g. Backdoors) or programs that create multiple copies that are unable to self-replicate are not part of the Viruses and Worms subclass. The main characteristic used to determine whether or not a program is classified as a separate behaviour within the Viruses and Worms subclass is how the program propagates (i.e. how the malicious program spreads copies of itself via local or network resources.) Most known worms are spread as files sent as email attachments, via a link to a web or FTP resource, via a link sent in an ICQ or IRC message, via P2P file sharing networks etc. Some worms spread as network packets; these directly penetrate the computer memory, and the worm code is then activated. Worms use the following techniques to penetrate remote computers and launch copies of themselves: social engineering (for example, an email message suggesting the user opens an attached file), exploiting network configuration errors (such as copying to a fully accessible disk), and exploiting loopholes in operating system and application security. Viruses can be divided in accordance with the method used to infect a computer:
  • file viruses
  • boot sector viruses
  • macro viruses
  • script viruses
Any program within this subclass can have additional Trojan functions. It should also be noted that many worms use more than one method in order to spread copies via networks.

Class: Virus

Viruses replicate on the resources of the local machine. Unlike worms, viruses do not use network services to propagate or penetrate other computers. A copy of a virus will reach remote computers only if the infected object is, for some reason unrelated to the virus function, activated on another computer. For example: when infecting accessible disks, a virus penetrates a file located on a network resource a virus copies itself to a removable storage device or infects a file on a removable device a user sends an email with an infected attachment.

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Platform: MSWord

Microsoft Word (MS Word) is a popular word processor and part of Microsoft Office. Microsoft Word files have a .doc or .docx extension.


Technical Details

This is an encrypted Word macro virus. It contains five macros: AutoOpen, FileOpen, MyMessage, VisuaLand, FileSaveAs.

The virus infects the global macros area (NORMAL.DOT) on opening an infected document (AutoOpen) and writes itself to documents that are saved (FileSave). The virus also attempts to infect files that are saved with new name (FileSaveAs), but fails because of an error.

On 13th of any month it erases all files in current directory and displays the MessageBox:

VisuaLand Technology is the BEST!
On saving a document with new name, if current seconds = 13, the virus sets the password: "VisuaLand". The virus creates the MESSAGE.TXT file and writes the text to there:
VisuaLand 2.0 Oleh: Milky Wahyudi
Widjaya GoldSecret (C) 1997 VisuaLand Technology
Virus  kedua  setelah  visuaLand  1.0 (rekayasa  Concept)
Seperti biasanya saya selalu  hadir  kedepan  anda  untuk
selamat, untuk segala sesuatu  yang  telah  anda  lakukan
memang enak  menjadi  orang  seperti  anda,  tapi  jangan
dikira  anda  ini  sedang  'happy',  anda  rupaya  sedang
mengalami masa-masa krisis  pada  komputer  anda,  jangan
menuduh teman anda atau pacar  anda  yang  melakukan  hal
ini, tetapi itu merupakan ulah saya.
Virus ini  merupakan  hasil  rekayasa  virus  Atom,  yang
dulunya saya akui bahwa  virus  tersebut  merupakan  saya
yang buat, tetapi banyak orang sirik yang  ingin  merebut
nya dari saya, tetapi sayalah yang  membuat  Atom,  versi
ini merupakan versi perbaikan dari virus Atom"
Bila anda ada waktu senggang, anda  bisa  menemukan  saya
di rumah pada jam-jam tertentu,  saya  harapkan  hubungan
dari anda.
Milky Wahyudi Widjaya
Jl. H Marzuki No. 37 RT 6/3
Jakarta - 11530
+62 21 5320382
The virus also contains the comments:
Virus: VisuaLand.2.WinWord
Author: Milky Wahyudi Widjaya
VRating: Make First WordMacro.virii (Atom)
Compiler: WordMacro in ToolsMacro
(C) 1983-1994 Microsoft Corporation
Copyright: GoldSecret (C) 1997 VisuaLand Technolgy
Email: 'or'
Last Update: 02-02-1997
VL Office: Visualand Technology
Jl. H. Marzuki No.37, RT 06/03
Jakarta, 11530
Phone: +62 21 5320382
Dedication: - Unknown (Atom was created by you???)
- Eko Sulistiono (MD)
- All VirMarker in the World
Thank's: God

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