A friend tells me he clicked on a sketchy pop-up, now he thinks his computer got a "trojan virus" and all his data has been wiped out. None of that makes any sense to me, so I told him I'd take a look at it for him. I haven't done a lot of this sort of forensic cleaning on a machine with which I've had no prior contact, so I'm looking for advice on a starting point. I'd like to avoid doing any additional damage, and certainly don't want to spread whatever might be on it to my local network, so I'm not going to connect it to my LAN. Is there a boot disk/image of some sort that contains malware scanning software that I should try first? I really have no idea what the condition of the machine might be, or if it's even bootable into Windows at the moment. His son told him he "might need to buy a new OS", so I don't know if that means the OS install is corrupted, or if he's just an idiot. lol Any advice appreciated.
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