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How can malware remain on PC after I format my HDD?
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<blockquote data-quote="Andy Ful" data-source="post: 996497" data-attributes="member: 32260"><p>[USER=95423]@Strike[/USER],</p><p></p><p>There can be several possibilities, for example:</p><ol> <li data-xf-list-type="ol">Infected router.</li> <li data-xf-list-type="ol">Infected Bios/UEFI.</li> <li data-xf-list-type="ol">Infected SPI Flash.</li> <li data-xf-list-type="ol">Bad USB.</li> <li data-xf-list-type="ol">Another infected computer in the local network.</li> <li data-xf-list-type="ol">The infected neighborhood network (Emotet).</li> <li data-xf-list-type="ol">Local Hacker.</li> </ol><p>Points 1,4,5 and 6, 7 can be temporarily prevented by disconnecting the machine from the network for some time and not using external devices. I would also disconnect all internal drives and try to install a new system from the DVD on the completely new hard drive. Next, you should observe the system for a couple of days and scan against malware via Kaspersky Live CD created and updated on some clean machine.</p><p>The problems related to points 1, 4, 5, 6, and 7 are other stories.</p></blockquote><p></p>
[QUOTE="Andy Ful, post: 996497, member: 32260"] [USER=95423]@Strike[/USER], There can be several possibilities, for example: [LIST=1] [*]Infected router. [*]Infected Bios/UEFI. [*]Infected SPI Flash. [*]Bad USB. [*]Another infected computer in the local network. [*]The infected neighborhood network (Emotet). [*]Local Hacker. [/LIST] Points 1,4,5 and 6, 7 can be temporarily prevented by disconnecting the machine from the network for some time and not using external devices. I would also disconnect all internal drives and try to install a new system from the DVD on the completely new hard drive. Next, you should observe the system for a couple of days and scan against malware via Kaspersky Live CD created and updated on some clean machine. The problems related to points 1, 4, 5, 6, and 7 are other stories. [/QUOTE]
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