Characteristics Of The Jerusalem Virus

DocumentID: 633471
Revision Date: 29-Feb-96 3:03:17 PM

The information in this document applies to:
WordPerfect® 5.1 for DOS

Problem

Solutions: Even though WordPerfect cannot do anything about a virus, it may be helpful to know some of the characteristics of a virus. The information below are some characteristics of the Jerusalem Virus. Please be cautious with this information. This is strictly for your information. This may or may not be the customer's real problem. 1. The speed of WordPerfect (and any other software) will be decreased SIGNIFICANTLY. The user will be able to type faster than the computer can respond by putting characters on the screen. 2. The most obvious symptom is a black box appearing in the middle of the editing screen. It is about one inch in width and a half inch in height (two line heights). Any text which lies in the same column as this one-inch black box will be shifted up two lines. Cursoring down over this black box will allow you to rewrite the screen and temporarily fix the problem. This problem, as well as the decreased speed, does not usually begin until the computer has been running for 15 or 20 minutes. 3. The computer will frequently lock. 4. RAM will be significantly decreased, and it may decrease more and more each time the computer is turned on. 5. If you run a CHKDSK from DOS, there will usually be more than three hidden files. In any case, there will be more hidden files than there should be.

Answer:

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