32 Why does my scanner report an infection only sometimes? (Computer virus)
Description
This article is from the Computer Viruses FAQ, by Nick FitzGerald n.fitzgerald@csc.canterbury.ac.nz with numerous contributions by others.
32 Why does my scanner report an infection only sometimes? (Computer virus)
There are circumstances where part of a virus exists in RAM without
being active. If your scanner occasionally reports a virus in memory,
it could be due to the operating system buffering diskette reads or
harmlessly keeping disk contents that include a virus in memory, or
after running another scanner, there may be scan strings left (again
harmlessly) in memory. These are known as GHOST POSITIVE alerts (see C5
for more details).
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