![]() ![]() yes, Viruses do survive a reformat or delete partition. Supahhh wrote: ↑you have to format the disk with a disk cleaning utility that either 0s out all sectors or writes random data on the entire HDD before using the hdd again. Sure is is not common, what most people refer to as a virus nowadays is usually a trojan or similar program, but there is all sorts of viruses out there. For a virus to survive a simple deletion of partition is trivial. There have been instances of virus variants that actually embed themselves into the system firmware ( aka BIOS )! you essentially have to throw away the motherboard. ![]() You can zero out the disk, you can buy a brand new one from the store. This would occur regardless of what you do to the disk. In which case, the virus will load into memory during the install process and write itself to the disk. The exception as I stated earlier is if your install media is infected. If you don't boot the hard drive, there is no zero chance for the virus to execute and load into memory. Since you started the computer from a power off state, that is not possible. The only risk is if the virus is still in memory. If you wipe the partition, the virus is deleted. When you're installing Windows, the virus is not running, if you just reinstall Windows on top of an existing version, then the virus was not deleted and can run after the reinstall. A virus is just like any other computer program.
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