how do viruses add their code to an exe file? Results 1 to 3 of
3  Thread: how do viruses add their code to an exe file?    1.
#1     Join Date     Dec 2003      how do viruses add their code
to an exe file?      I've always wondered how viruses can add
their code to an exe file,i mean,when a virus is running,it
itself is an exe how does it add its code to another exe file?at
the time a virus is running,its code is in binary can you
program a virus to add its binary code to another exe file?from
the research i've done about it,it has something to do with the
headers of an exe file?    2. #2     AO Curmudgeon rcgreen's
Avatar     Join Date     Nov 2001    3. #3     Super Moderator:
GMT Zone nihil's Avatar     Join Date     Jul 2003     United
Kingdom: Bridlington      Pick a small .exe file and copy it as
a .txt file, then open it in will see that it is NOT binary.
The viral code just adds itself to the .exe and gets run as part
of that set of program instructions, just as if you wrote a
program then adde