![]() ![]() Modern malware is more likely to lurk silently and covertly in the background, trying to evade detection so it can capture your credit card numbers and other personal information. The viruses of a decade ago were often pranks that ran wild and used a lot of system resources. Likewise, just because your PC is running fine doesn't mean it doesn't have malware. However, that's not always the case: There are many other causes of problems that can slow down your PC. "Not all of these associations directly lead to detections, however, if a program installs other programs or files that have poor reputation, then by association that program gains poor reputation," said Microsoft.Poor performance, application crashes, and computer freezes can sometimes be a sign of a virus or another type of malware wreaking havoc. "When programs employ malware-like techniques, they trigger flags in our detection algorithms and greatly increase the chances of false positives."Īnother indicator Microsoft uses is the reputation of other programs the file is associated with - what the program installs, what's installed at the same time as the program, or what's seen on the same machines as the file. Microsoft also said developers should beware of using file obfuscation, being installed in non-traditional install locations, and using names that don't reflect that purpose of the software - traits often found in malware. Reputation accrues - if a software bundler includes components that have poor reputation, the certificate that bundler is signed with gets the poor reputation." This advice particularly holds true for programs that incorporate bundling or use advertising or freemium models of monetization. Microsoft notes: "We thus advise developers to not share certificates between programs or other developers. However, if a file gains a poor reputation (by for example, being detected as malware) or if the certificate was stolen and used to sign malware, then all of the files that are signed with that same certificate will inherit the poor reputation, which might also see them tagged as malware. ![]()
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