Question is that a malware/virus? if so, how to get rid of it??

Feb 7, 2021
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one day i needed some files from my old pc, and since these files weighted like 100GB i had to connect the hard drive from my older pc to my new on
the thing is, my previous unit was really run down with viruses and malwares
after i connected the hard drive, the pc started to act yiffy, with occasional lags, and most importantly the boot up time changed from like 5 seconds to around 10. this one is important, because when i turned it on, the black screen with white '-' in the middle appeared for few seconds , and about 2 times, when i tried to google sth, the browser sent me to results on 2 different sites that ive never used before (i dont even know what duckduckgo is??) the weirdest thing is, when malwares change your main search engine they usually try to keep them so that whenever you search sth youll always end up there, but after popping up once, these 2 just disappeared never to be seen again
so naturally, i disconnected the previous hard drive and everything seemed to worked fine, the lags were gone and boot up time changed to normal, but a few days ago the black screen with '-' started to appear again. it doesnt stay as long as it used to, but the thing is im sure it shouldnt be there at all
but most importantly, my pc seems to have other problem: from time to time when i try to open an image with windows 10 'photos', they open astonishingly slow, even causing the whole computer to lag (and after restaring pc, the wallpaper turned into black screen before turning back to normal few seconds later)
im pretty sure i have some harmful malware on this pc, i dont know if it transferred from the old hard drive, or if i accidentally downloaded one from somewhere (i avoid suspicious websites but i did download some files from 'yt to mp3' type sites and a few torrents which were marked as 'safe') so i hope anyone here could identify what exact problem could it be.
 

Colif

Win 10 Master
Moderator
duckduckgo is a search engine

Slower boot speed normal enough with a hdd attached, you maybe should have checked in the bios boot order after you attached old hdd to make sure it wasn't added as a choice. Might still help now its unplugged, might explain the delay

its possible indexing had started to include all the files from your old hdd into its mix, and when you removed it, there were holes in its database.

If all you did was add drive to PC and didn't actually boot off it, then none of its files should be live and shouldn't have caused any of this. Only if you ran something off the drive will be a problem.
 
Feb 7, 2021
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full system spec?
what kind of files were you try to get from the old hdd?
ryzen 5 3600
4 cores
processor clock 3.6 - 4.2
cpu cache 32
8gb ram
ddr4 ram type
gt1650 super
graphics card memory 4gb
disc 512 gb ssd

hope that helps
and they were mostly video files, wmv i think, i dont think ive opened any exe files, i only used it for opening pictures and videos
 
Feb 7, 2021
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small update: today for no reason my taskbar wasnt reacting to anything, had to restart pc
i dont know if it will help in any way but i thought it was worth a mention
 

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