I just installed avast 4 workstation on CentOS 5. After I scanned my folder , i found some file injected by virus, but i don’t kown the meaning of these types. I know [TRJ] for trojan, but I don’t know [PUP] for what.
Does someone has manual for explaining these types?
PUP means potentially unwanted program, this does not mean there is an infection, avast is just warning you of a suspicious program so you have to decide wheather the program in question is known and trusted by yourself.
I believe PUPS are also off in default settings so if you dont understand these warnings you should revert avast to the default settings.
As craigb posted, reputable sites are best place to look.
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