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Number 1

Classification

Category:

Malware

Type:

Virus

Aliases:

  • Number 1

Summary

This virus is written in Pascal and was originally published in the book by Ralf Burger, just like Vienna. Several different forms exist, probably just compiled by different compilers.

Removal

Technical Details

The source contains the following text:

Number One This is a very primitive computer virus. HANDLE WITH CARE! --- Demonstration ONLY!Number One infects all .COM - files in theCURRENT directory.A warning message and the infected file's name willbe displayed.That file has been overwritten with Number One'sprogram code and is not reconstructible!If all files are infected or no .COM - files found,Number One gives you a [Smile].Files may be protected against infections ofNumber Oneby setting the READ ONLY attribute. Writeen 10.3.1987 by M.Vallen (Turbo-Pascal 3.01A)

Since Number_1 has been written with Pascal and C, false alarms on files compiled with the same compiler are occasionally possible.

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