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I've downloaded a certain DLL from the web and then uploaded it to Jotti's virus scan. All of those engines reported Found nothing. Nothing.
Can there still be some sort of security issue with this file or am I pretty safe that this file's ok?
What else should I consider to check its bad intentions?
Yes it's a patch for some original DLL. SLL is a compiled non-managed code. It differs from the original in a bit more than 2k bytes. I thought of decompiling it and compare source code of both to see differences, but since it's unmanaged DLL I'm pretty much done.
Robert Koritnik
Posted 2015-04-10T08:27:50.547
Reputation: 1 728
You either trust the source or you don't. – David Schwartz – 2015-04-10T09:38:32.197
@DavidSchwartz Unknown source so nothing to base my trust on. I'd like to go with more than just guts or trust. I'd like a more specific test. – Robert Koritnik – 2015-04-10T09:39:47.983
Run it and see what happens to your computer, bank account, and children. – David Schwartz – 2015-04-10T09:46:26.503
Ha ha. Very funny. You should go into comedy. – Robert Koritnik – 2015-04-10T10:01:30.950
A bunch of virus scanners found nothing, which means that it doesn't contain a known problem. So you're looking for something that finds unknown problems? – fixer1234 – 2015-04-10T16:34:51.047
@fixer1234 you're right. If those didn't find anything, not even a false positive, then there are only two options. 1. File is fine 2. File has a completely new virus with some completely new way of execution... – Robert Koritnik – 2015-04-10T17:10:41.433
@fixer1234 I'd say that, #2 has a higher probability. Can you please make your comment an answer so I can accept it as the best possible answer to this rather vague question. Thanks. – Robert Koritnik – 2015-04-14T06:20:53.253
I relinquish all rights to my comment. Feel free to use it if you want to create your own answer. :-) – fixer1234 – 2015-04-14T14:08:44.010