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Natas

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Natas
Type Multipartite virus
Creator Little Loc (AKA Priest)
Date Discovered 1994.06
Place of Origin United States
Source Language
Platform DOS
File type(s) .com, .exe, .ovl
Infection Length 4,746 Bytes
Reported costs

Natas is a polymorphic, stealth, multipartite virus. It was created by Little Loc also known as Priest, who was famous after the SatanBug. The virus became very prevalent in Mexico.

BehaviorEdit

When a file infected with Natas is executed, it becomes memory resident, taking up 5,664 bytes in memory and infects the master boot record and COMMAND.COM. The virus infects files when they are executed, opened or copied, appending its 4,746 bytes to .com, .exe and .ovl files.

There is a 1 in 512 possibility Natas will destroy data on a portion of the hard disk every time an infected file is executed, the master boot record is accessed or an infected file is disassembled. It contains the text "Natas" in its encrypted code.

The virus has interesting stealth capabilities. When an archiver is run, it turns its stealth off, so it has more chances to spread. If the user tries to look at the master boot record through a binary editor, SatanBug will show a clean version.

VariantsEdit

All variants seem to add 100 years to the infected files date, where the original leaves it alone. Otherwise they are mostly similar.

  • Natas.4740
  • Natas.4744
  • Natas.4774- contains text: "Time has come to pay (c)1994 NEVER-1 3"
  • Natas.4988- contains a very long text, including some "Rage against the machine" lyrics:
  Time has come to pay (c)1994 NEVER-1 SANDRINE B." 
  Yes I know my enemies 
  They're the teatchers who taught me to fight me 
  Compromise, conformity, assimilation, submission 
  Ignorance, hypocrisy, brutality, the elite 
  All of whitch are American dreams 
  (c) 1994 by Never-1(Belgium Most Hated) Sandrine B." 

EffectsEdit

While created in the United States, it become very prevalent in Mexico. It was first discovered in Mexico City in May of 1994. It was brought there from Southern California by a consultant offering antivirus services. The consultant frequented message boards based in Santa Clarita, which contained many viruses, including Natas. Antivirus researcher speculation is that Natas was accidentally executed, and after turning it up in a scan, looked for it on other computers, possibly transporting the antivirus program on a disk. The stealth capabilities of the virus would sometimes allow it to be found on a file, but not on a disk sector, so he probably ended up infecting many other computers.

Norman Data Defense Systems offered Little Loc a job when he finished highschool that summer. When asked what he would work on there, he said he would work on a cure for Natas.

Name and OriginEdit

Natas is Satan spelled backwards. Its creator, who has gone by the name Little Loc and Priest also created the SatanBug, Predator, and Jackal viruses.

SourcesEdit

McAfee Antivirus, Natas. 1994.06.15

Patricia Hoffman. Online VSUM, Natas virus.

F-Secure Antivirus, F-Secure Virus Descriptions : Natas.

George Smith. The Virus Creation Labs: A Journey into the Underground, A Priest Deploys his Satanic Minions. American Eagle Publications, 1994.12. ISBN 978-1441411389

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