and replace it with a copy from original locked Apple release disks.

should not be used. You should immediately delete the damaged System file

special error message, telling you that the resulting file is damaged and

does not replace the Apple versions. In this situation, VirusScan issues a

VirusScan repairs the file, it deletes the Scores viral resources, but it

of these resources with the Scores viral versions of the resources. When

Scores. When Scores infects the System file, it replaces Apple’s versions

began using some resources with the same type and ID as those used by

release 6.0.4 and later releases of System 6. In System 6.0.4, Apple

There is a serious conflict between Scores and Apple’s System Software



unexplained behavior.

also several errors in Scores which could cause system crashes or other

have reported problems printing and using MacDraw and Excel. There are

disk space, however, and this can cause problems all by itself. People

itself and attack the two specific applications. It does occupy memory and

Scores does not intentionally try to do any damage other than to spread



immune to infection.

also become infected. For technical reasons, some applications are

minutes after you begin the application. The Finder and DA Handler usually

each application you run. The infection occurs between two and three

Two days after your system becomes infected, Scores begins to spread to



Scores gets its name from the invisible “Scores” file that it creates.



system files.

Scores does not infect or modify document files, only applications and



the end of its name.

System folder. Also, Scores’ Desktop file has an extra space character at

outside the System folder, while Scores’ Desktop file lives inside the

each other. The Finder’s Desktop file lives at the root level on your disk,

file with the Finder’s invisible Desktop file; they have nothing to do with

or some other utility program. Do not confuse Scores’ invisible Desktop

and “Desktop ”. You cannot see invisible files without the aid of ResEdit

also creates two invisible files in your System folder named “Scores”

Scores infects your System, Note Pad, and Scrapbook system files. It



icons.

to make certain your system is not infected, even if you have normal

Pad and Scrapbook icons. Consequently, we recommend running VirusScan

It is possible to be partially infected by Scores and still have normal Note



 

 


 

 

 


 	

 

 

 

 

 

 

 

 


 



by Scores.

paper with turned-down corners, your software may have been infected

Macintoshes under System 6. If they look instead like blank sheets of

They should have distinctive icons under System 7, or look like little

System folder and check the icons for the Note Pad and Scrapbook files.

There is an easy way to see if you have a Scores infection. Open your



“San Jose Flu” virus.

Scores is also sometimes known as the “Eric,” “Vult,” “NASA,” and



discovered in the Spring of 1988.

applications was ever released to the general public. Scores was first

development at his former company. Fortunately, neither of the two

programmer. It specifically attacks two applications which were under

According to news reports, the Scores virus was written by a disgruntled




xThe Scores Virus





The following sections describe all of the known Mac viruses.










åThe Viruses



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