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File infectors virus
File infectors, also known as parasitic viruses, operate in memory and
usually infect executable files. They activate every time infected files are
executed: They copy themselves into other executable files and can remain in
memory long after the virus has activated.
Thousands of different files infecting viruses exist,
but similar to boot sector viruses, the vast majority operate in DOS 16-bit
environment. A simple method of removing file infector virus is by using
antivirus software to scan and clean it. However, you cannot clean system
files files under Windows because they are locked in Windows mode. In this
case, you have to boot your computer to DOS mode and then run the anti-virus
software to clean the infected files. |
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