No, it can't just disappear. The virus is still there. Download MalwareBytes anti-malware or Spybot S&D and run a full system scan.
By using Antivirus
It did not.
Mcafee
antivirus
Yes you need to have the latest antivirus and anti spyware programs so you would need to download it from another computer which has internet access. Without a good antivirus is would be virtually impossible to remove a virus
Yes, but I'd feel safer using it with antivirus.
Antivirus software can be defined as a program that works to detect and remove harmful viruses from a computer. Antivirus software combats computer crime by shielding one's personal information and essentially their identity, online.
Get yourself a good antivirus.
you use antivirus and scan the computer then remove the virus
"antivirus" is protective software designed to defend your computer against malicious software.
Antivirus software will notice about the virus,malware,spyware etc
It's essential to have antivirus for your computer because it will stop virus from infecting your computer. I recommend AVG, here's a link to its download: free.avg.com/us-en/free-antivirus-download