![]() When it happens, the signature gets revoked by the associated certificate authority, and when you look at the signature it will be listed as INVALID. Also these signatures can be stolen by bad actors, and then used to sign malware. It depends on WHO signed it, and whether they are a trustworthy entity. so the existence of a digital signature on a piece of code does not mean it is good. It's written down somewhere on the website.Įdit: Signed malware also exists. The best advice Microsoft gives developers who release code that has problems being classified as false positives is to obtain a digital signature, sign the code, and maintain a good reputation as a developer for not releasing malware. Unsigned binaries are also more likely to be flagged as malicious, as whether code is signed is one of the evaluation criteria weighted as to whether unknown, never-before-seen code is classified as suspicious or malicious at first sight by machine learning. It, among with lots of other files in Windows is actually cabinet signed, and you can't check the digital signature by looking at the file (hint: sigverif)Ĭode signing DOES put a unique reputation stamp from the developer on a piece of code, so you can be sure it came from that developer, and that it has not been molested or altered, like u/DeadMasteR609 points out. For instance if you check the file properties for notepad.exe in Windows System32. Also some code is signed in different ways. Code signing can cost a little bit of money, and it's an administrative pain. PLEASE CHECK THE WIKI FOR BASIC HELP + TROUBLESHOOTING INFO BEFORE POSTING.ĭevelopers can release unsigned code too, and sometimes do. Our regularly-updated wiki contains all sorts of useful information, including links to reputable developers of antivirus/antimalware/internet security/endpoint protection/endpoint detection and response/ programs, information about specialized scanning and cleaning tools, information about security tests and testers, practical information on securing your devices and a glossary. Click here send a message to the r/antivirus mods so we can set you up with your company flair. ![]() You are expected to participate in discussions where you can lend your expertise. Posting about Sales, Beta's, that sort of thing is allowed, but don't spam it. You are more than welcome here, as long as you respect Reddit's Self Promotion rules, and are not pushing your product unduly. Welcome! You can get all of the help you need here, along with advice on removing any kind of malicious or unwanted software and choosing the right antivirus/internet security/endpoint protection for you! The complete list of rules can be found here. If you see any spam or abusive messages, please use the report function to report it to the mods.
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