read it later.

viruses and Disinfectant. You may read it now if you wish, or return to

remainder of this document gives more information about Macintosh

You should now be ready to use Disinfectant for the first time. The



before quitting. You can also type Command-Q to quit.

presented with an alert asking whether you want to save the report

•  Quit.  Quits the program. If the report lists any infections, you will be



cancel the scan. You can also type Command-Period to cancel a scan.

•  Cancel.  This button is active during disk scans. Use it if you want to



The author’s addresses may be found at the end of this document.



disk and he will mail you back a copy.

You can send the author a self-addressed stamped envelope and a floppy



network.

note to the author via email and he will send you back a copy over the

If you have access to either the Internet or BITNET, but not FTP, send a



anonymous FTP from site “acns.nwu.edu” (129.105.49.1).

If you have access to FTP on the Internet, you can get a copy via



It is available on CompuServe.



You can obtain a copy of the formatted document in several ways:



cannot be printed on ImageWriters.

the “SendPS” utility program to print it on a LaserWriter. The document

etc. We distribute the document in PostScript format, along with a copy of

screen shots and other pictures, a table of contents, cross references,

A formatted version of this document is also available, complete with



icon or the program name or version number in the main window.

For a completely different kind of about box, try clicking on the program



through the document.

Either the scroll bar or the up and down arrow keys can be used to scroll



section title in the table of contents on the right side of the window.

You can quickly jump to any section of the document by clicking on the



the file using a word processor or editor.

Save button to save a copy as a text file. As with reports, you can print

•  About.  This button shows the document you are reading now. Use the



option is particularly appropriate when scanning a sequence of floppies.

many disks and save the combined reports as a single file. The latter

You can save a separate report for each disk you scan, or you can scan



We recommend that you save and print all reports that list any infections.



word processor or editor to open and print it.

To print a report, use the Save button to save it, then use your favorite



editor.)

is cleared. (The text file can be read by most any Mac word processor or

location. The report is saved as a MacWrite text file, and the report field

standard new file dialog asking you to specify the report file’s name and

•  Save.  Use this button to save the report as a text file. You will get a



and shift keys while pressing the up or down arrow key.

jump to the beginning or end of the report, hold down both the command

hold down the command key while pressing the up or down arrow key. To

your keyboard has these keys). To scroll up or down one screen at a time,

keys to scroll the report backwards or forwards one line at a time (if

In addition to using the scroll bar, you can also use the up and down arrow



folder scans, file scans, or scans of server disks.

thermometer is only available on full disk scans. It is not present on

During a disk scan, a thermometer indicates the progress of the scan. The



them.

is useful if you have more than one hard drive and you want to scan all of

command keys while clicking on the Scan or Disinfect button. This option

To scan or disinfect all mounted volumes, hold down both the option and



command key while clicking on the Scan or Disinfect button.

To quickly scan or disinfect a sequence of floppies, hold down the



select the file or folder.

clicking on the Scan or Disinfect button. You will get a dialog that lets you

To scan or disinfect a single file or folder, hold down the option key while



scroll bar to view the entire report.

on the left side of the screen. When the scan is complete, you can use the

Both the Scan and Disinfect buttons produce a detailed report in the field



infected files that it finds.

Disinfectant checks each file for infection, and attempts to repair any

Use the Disinfect button to scan and disinfect the disk you selected.



infected files.

Disinfectant will check the disk for infections, but it will not try to repair

•  Scan and Disinfect.  Use the Scan button to scan the disk you selected.



held down to get a popup menu listing all of your disks.

alternative, you can also click on the disk name and keep the mouse button

floppy disks. The Eject button is used to eject a floppy disk. As an

file dialog. The Drive button cycles through all of your hard disks and

or disinfect. These buttons work just like they do in Apple’s standard open

•  Drive and Eject.  Use these buttons to select the disk you want to scan



The main Disinfectant window has 8 buttons which control its operation:



originals were not infected.

do this, use Disinfectant to rescan the replaced files to make certain your

infected and reinstall uninfected copies from the original floppies. If you

and system files, you can delete the files that Disinfectant says are

For even greater safety, if you have locked original copies of applications



section titled “Other Virus Tools”.

“System” and “Self”). For more information on GateKeeper, see the

Disinfectant all privileges (“File” and “Res” privileges for “Other,”

add Disinfectant to GateKeeper’s list of privileged applications. Grant

If you run Disinfectant on a GateKeeper-protected system, you must first



more detail in a separate section later in this document.

on your virus tools disk to avoid this problem. Vaccine is discussed in

again when you are finished! We recommend that you do not install Vaccine

to avoid the annoying dialogs. Just be certain to turn Vaccine back on

You might want to temporarily turn Vaccine off while you are disinfecting

Grant the request—this is Disinfectant trying to repair an infected file.

present a dialog box asking for permission to “add a CODE resource”.

If you run Disinfectant on a Vaccine-protected system, Vaccine may



might still be lurking in your Mac’s memory.

running any other programs. This removes any copy of the virus that

After you are done disinfecting, restart your Mac one last time before



eradicated the virus, you run the risk of reinfecting your system.

run other programs before making certain that you have completely

some other programs, and finally disinfect the rest of your disks. If you

Disinfect all your disks at one time. Do not do some of them, then run



drives and your entire collection of floppies.

the Disinfect button to scan and repair all your disks, i.e. all your hard

If you discover an infection, start up from your virus tools disk and use



infected.

check the virus tools disk to make certain that none of the three files are

infect files on locked floppies. Run Disinfectant and use the Scan button to

Lock the virus tools disk and keep it locked at all times—viruses cannot

locked Apple release disks for your copies of the System and Finder files.

Try to make certain that your virus tools disk is not infected. Use original



file, a copy of the Finder file and a copy of Disinfectant.

floppy for this purpose. The floppy should contain a copy of the System

Disinfectant from the floppy. You should make a special “virus tools”

When disinfecting, you should start up from a floppy disk and run



Finder instead of MultiFinder, to avoid possible problems with busy files.

When using Disinfectant in its “disinfecting” (file repair) mode, use



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Instructions