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What amazes me is that some people do not believe that there can be such a thing as antivirus software. Like how would antivirus software know that the contents of a file are malicious or not.
This stuff has been around for decades.
Basically they rely upon three things: The software, the engine, and pattern files. Software is updated infrequently. The engine a little more often than the software. The pattern files are updated quite often. Sometimes more than once a day. I have an icon in my 'tray' on my PC which tells me that I'm running Trend Micro and what pattern file I'm currently on. These are pushed out to all PC's from a central location.
Cool thing. Search the internet for the Eicar virus. It's a simple test virus. You literally type it into a .txt file and try to save that .txt file. When you do your antivirus will interrupt the save and pop something up. The name of the file can be anything you want. Now if any .exe file or anything has anything imbedded in it why is flagged by any of the current pattern files it will be stopped.
I'm sure that if you had something like Powertech's loaded and installed on your IBM i it would stop you from doing an EDTF '/home/SMEDLY/myfile.txt', pasting the Eicar into it, and trying to save that file.
It's not that IBM i can be affected by a virus, but it sure can home them.
Ransomware is a different animal. Basically it's just file encryption but you have to pay a ransom to get the key to decrypt it.
Rob Berendt
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