Top 10 Malware Threats To Microsoft PCs

2. Potentially Unwanted Software

Microsoft said the potentially unwanted software threat category was driven by increased reports of product key generators. The Keygen tool generates keys for software products and is used to run pirated software, but Microsoft said it is common to find other instances of additional malware on systems. Tools used to obfuscate malware through encryption and compression to avoid detection by antivirus were also commonly detected by Microsoft.

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