It Is Safe To Download Files From The Internet As Long As You Have Antivirus Installed

[Evelio Olivo]

Hiso yesterday while I was on Safari looking for the meaning off my name an ad popped up saying I had 3 viruses and to install a certain app so I did through the App Store it was on my phone for 5 minutes until I uninstalled it. I understand now that it was a hack but I fear that when I downloaded that app a virus was installed in my phone or that it got hacked if so how can I remove it please help.

The iPhone cannot be infected with a virus unless it has been jailbroken. You didn't get 3 viruses, you simply got a popup to try and get information from you. If you receive these again, it is a java script from the website you were at. Go to Settings>Safari>Clear History and Website data. Then power off the phone and back on again, then go about your surfing. Downloading the app was not a hack, and installing an app from the App Store cannot hack or install a virus on your iPhone either. Installing and scanning your iPhone with an anti-virus is not necessary, and it cannot successfully scan your device anyway due to the sandboxing feature of iOS. You will be just fine from deleting the app and clearing your web history.

Averge, this pop up has hit me many times, and you just have to ignore it. You said that you downloaded it, so the first step would be to run an antivirus scan. McAfee is a good program for this. You can find it at -security-privacy-app/id724596345. Run a scan using the app, I promise this is legit. I have used this myself and it is very useful. After you run the scan, whether it finds anything or not, is to change your Apple ID password and watch your credit card for suspicious activity (If your credit card info is on your iPhone). I would also change any passwords that you have saved to your phone, like Emails. Hope this helps!

iOS / iPadOS devices cannot be hacked or infected with Virus / Malware / Spyware by merely clicking on a link in Safari, unless you have intentionally downloaded spurious softwares or unauthorised apps directly from internet and installed on your device or/and have Jail Broken.

It is unnecessary and useless to run an antivirus scan on an iPhone. And there is no antivirus product for iPhones that do anything useful other than transfer money from you to the company you bought it from. If your phone is not jailbroken an antivirus scan will never find anything.

Add-on anti-malware and add-on anti-virus on Macs tends to be problematic. And the run-time environments and locked-down access for anti-malware on macOS are heading toward those of iOS and iPadOS, as iOS and iPadOS block most of the access that anti-malware employs, as that access is what malware tries to use.

Hi, I would like to ask if anyone else has this problem, because after installing EIS, Windows Defender is not disabled even though it is shown as disabled in the settings, even after a reboot.

When Eset analyzes some downloaded file or sometimes when I browse web pages both antivirus use a lot of the processor.

Sometimes I notice performance drops,

Please I would be very grateful for any help you can give me.

It's Windows itself that disables Defender when another 3rd party AV registers in the Security Center. You can open a support ticket for further troubleshooting, however, it's unlikely that we'll be able to help. What you could try is rebuilding the WMI repository as per -the-performance-team/wmi-rebuilding-the-wmi-repository/ba-p/373846.

In Windows Security Center -> Threat & Protection setting, verify that you have not enabled Periodic scanning per below screen shot. If Period scanning is enabled, the Windows Defender engine will load at system startup and remaining running regardless of if a scan is being performed.

Smart App Control's primary protection method is its cloud scanning component. Smart App Control like Microsoft Defender uses file "Mark of the Web" (MotW) status criteria for cloud scanning: . There currently exists a vulnerability in MotW: -attacks-use-windows-security-bypass-zero-day-to-drop-malware/ , yet to be patched by Microsoft, that is currently being actively exploited by hackers. In reality and withstanding any vulnerability status, it is rather trivial to strip MotW ADS from a file download.

Since Windows 11 22H2, the Defender service is always on with all AV products. It's the norm now. But it won't cause any CPU or Disk usage, it stays idle but will update signatures at least once a day/after every system start or restart if fast startup is off.

Thank you all very much for your answers, so it is because of Windows 11 and its new update. In my case along with the performance errors with Nvidia GPUs, I think I will have to go back to Windows 10.

Yeah, it uses some ram which will vary from system to system, but there's no CPU usage or any disk activity. Any usual methods like GPO doesn't work to disable the service. Other methods described by turning off tamper protection, taking ownership, changing permission, etc. should work.

Microsoft describes the Sandbox as "Running Windows Defender Antivirus in a sandbox ensures that in the unlikely event of a compromise, malicious actions are limited to the isolated environment, protecting the rest of the system from harm. The goal for the sandboxed components was to ensure that they encompassed the highest risk functionality like scanning untrusted input, expanding containers, and so on. At the same time, we had to minimize the number of interactions between the two layers to avoid a substantial performance cost."

Sandbox is disabled by default and only available for builds 1709 and newer.

It came enabled by default when Windows 11 came out without third-party AV installed. But a few months later they pushed an update somewhere along the way, either part of a Defender update or Windows update, which disabled the sandbox. It even got disabled in Windows Insider editions. Later it was enabled in Windows 11 insider editions once again. So performance impact or some bugs made MS disable it. I for example found a bug when MD won't delete threats when sandbox is enabled. It only blocked, but didn't delete.

It appears to me that the reason MS is running Defender in Win 11 is to support SmartApp cloud scanning. I wonder if SmartApp was permanently disabled, Defender would revert to Win 10 behavior and not load at system startup time? This would be preferable to permanently disabling MD. I assume with MD permanently disabled, it will not auto startup if there's an issue with an installed third party AV real-time protection.

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