On 3/4/2011 5:12 μμ, Arno Garrels wrote:
Angus Robertson - Magenta Systems Ltd wrote:
Additionally I used UPX and reduced size of libraries - now it's
better.
Beware that most such file compressors will eventually be used by
virus and trojan writers, and the signatures added to detect any
compressed files as malware.
That's indeed a sad story since compressors/encryptors are also used
to protect against reverse engineering. If you digitally sign packed
binaries with a valid signing certificate chances are higher that they
pass. For instance ClamWin reports a false positive in such case,
otherwise a PUA.
You are absolutely right, but with UPX I did not have any problems until
now. I use it for many years. It only compresses and somehow scrambles.
But I really had problems with other commercial products but these
products did not only compress, some also added something like their own
virtual machine (for reverse-engineering protection) on top of which the
program was loaded so this virtual machine was often considered as
suspicious or virus-like.
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