| Risk Type | Description | |-----------|-------------| | | Trojan horses disguised as Win7_SP3_x64.exe can encrypt your files (ransomware) or steal passwords. | | Bloatware | Fake installers bundle toolbars, adware, and cryptominers. | | Modified OS | Some “SP3 ISOs” are pre-activated pirated copies that disable Windows Update, leaving you vulnerable. | | Rootkits | Deep-level infections that survive a clean OS reinstall. |