Which antivirus software are you using? (If you don’t have one, then you should not be connected to the Internet!) Is it free software such as AVG? Or is it commercial software like Norton Antivirus? No matter what it is, I think you should at least use a commercial antivirus software and my recommendation is NOD32 from ESET.
There are mainly 3 antivirus software that my computer store carries. They are Symantec Norton AntiVirus, Kaspersky Anti-virus, and ESET NOD32 Antivirus. I have experienced with the three products and among them, ESET NOD32 Antivirus is the most effective in detecting viruses in my opinion.
There was a case where a customer’s laptop got infected with a virus which kept reseting the system date back to year 2000. The laptop had Norton AntiVirus installed which obviously couldn’t detect this virus. Because the system date was reseted to the past, it causes some programs that depends on the date and time to malfunction, including the subscription of the antivirus program. You can set the clock back to the correct date, however, once you rebooted the machine it got reset again.
In this kind of cases, we usually take out the hard drive and connect it to our isolated computer that is dedicated to scanning hard drives for viruses. On that isolated machine, we had Kaspersky installed. Once we connected the hard drive, Kaspersky was not able to detect the virus too and our machine even got infected. Kaspersky was not working because of the date problem. So we decided to install NOD32 Antivirus and give it a try.
Once we installed NOD32 Antivirus and updated it (we corrected the date and didn’t reboot our machine so that the date was not reset), it immediately detected a threat and blocked it. We have then removed the infected files and our system date no longer reset after rebooting. We did the same for the customer’s laptop and the problem was solved. We have kept NOD32 Antivirus software on our virus scanning system since then.
So what is your experience with your antivirus software?
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