Questions tagged [anti-virus]

Software for protecting against, detecting, and removing viruses, malware, and other potential threats to a computer system.

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Can virus hide into installer files?

You get a zip file from somewhere, download it (several files) and you get the executable ones and send them to VirusTotal.com for example. They appear clean. Could it happen that the installer is ...
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Malicious issues found in program (RecentX) that reports as clean on virustotal.com [closed]

Trying a program called 'RecentX' (https://www.conceptworld.com/RecentX) on Windows which got great reviews, I had come across some worrying issues which were reproducible on every other PC it was ...
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What is the best anti-virus and anti-malware to use with NORD VPN? [closed]

I just installed NORD VPN. I have seen on internet that Malwarebytes is not very compatible with NORD VPN and I am trying to find the best antivirus and antimalware for use on my PC with NORD VPN.
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Leftover files when uninstalling antivirus - do they need to be removed when using newly installed antivirus? [duplicate]

I've uninstalled McAfee and downloaded a new antivirus program. However, I am now noticing there are a number of folders with McAfee still saved under Windows/System32 folder as well as AppData folder....
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win10 Windows Security, how to disable “Real-time protection” permanently? [duplicate]

every time i turn off Real-time protection, its off for a few days (maybe 3 days?) then it automatically turns itself on again, how do i stop it?
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Why some photos are not shown on my External hard drive?

I have a Seagate external hard drive and I have a problem with it. The device contains many photos, videos, music... and I have a folder of photos, this folder contains the different extension of ...
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33 views

Can Kaspersky's default encrypted connection scanning exclusion list be modified by end user?

I am just wondering whether can I modify the Kaspersky's default encrypted connection scanning exclusion list itself, without any sites being added to or removed from the "Trusted Address". ...
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27 views

How do you stop McAfee from quarantining your .EXE?

I have a history with McAfee quarantining my C code in Microsoft Visual Studio and others have had the same problem. There are solutions, but that requires every .EXE in all your solutions to be ...
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5 views

File last modified time on Windows not updated

I have an app, which Reads last modified timestamp of some files. Executes svn update process, wait until it finishes. Checks which file have been modified by comparing their last modified timestamps ...
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99 views

Keygen/crack/malware detected as virus only after unzipping

I'm wondering how come a keygen/crack are not detected as virus when it is inside a compressed folder. Only after the unzipping the antivirus detects it as a threat.
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Can a virus downloaded in VirtualBox VM get transferred to the host computer

If I download a virus in VirtualBox VM then does it store that virus data in the host computer's file explorer infecting the host computer with the virtual one? If so, can any Anti-Virus like Quick ...
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Why is my ram usage so high with nothing running? (30% used from 16Gb ram)

Task Manager Performance Task Manager Process I used Avast antivirus for some time and the ram used was like this, but a week ago I uninstalled it and it is still 30% usage (4.8Gb from 16Gb 3200mHz ...
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Avira : Realtime protection settings - archive extension

These are two images from avira real-protection settings. 1st question) In this setting, does avira scan zip/rar or not scan zip/rar ? 2nd question) What if I remove .zip and .rar in File extension ...
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Why Microsoft Defender Offline scan won’t work?

When i try to do scan, my computer shows screen with Windows Defender Offline scan loading and then just after minute restarts and never finishes scan. Why it does that, can i somehow fix it?
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1answer
62 views

How does antivirus know?

I just tried to run one of my applications, it's a client that receives commands and enters them to the cmd. When I tried to run it, the Microsft defender removed it immediately and gave me this, ...
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1answer
248 views

chocolatey install blocked by antivirus on windows 10

I'm trying to install chocolatey package manager on my local machine as administrator using instructions given on https://docs.chocolatey.org/en-us/choco/setup#install-with-powershell.exe I opened ...
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1answer
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How to give a .exe file to my friend(s) without their antivirus going crazy

So I want to give this app I developed to my friend. I've tried a lot of ways (Gmail, WhatsApp, etc.), but his Windows antivirus keeps deleting the file automatically. I know he could just disable the ...
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Exclude a Registry Value from Windows Defender in Windows 10

When adding a Registry value to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Utilman.exe of value "Debugger"="cmd.exe", and then ...
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Error Connecting to linux pop3 server from Active Directory Users (Local users OK)

I am migrating to a new Win2012 Active Directory Domain (for the sake of the example, let’s call it "example.com") and I have a Debian 10 Linux mail server (postfix/dovecot) with the same ...
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1answer
58 views

Security certificate error on my site, what's the solution?

enter image description hereMy colleagues and friends sometimes can’t go to the site(security certificate error). It happens randomly. What could be the reason? Site is https://rackadvisor.org. ...
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1answer
66 views

When does my McAfee Anti-Virus start: On installation or on activation?

I recently purchase McAfee Anti-Virus online but I haven't activated it because my previous antivirus software has few more days left. Not sure if anyone knows, but in McAfee Anti-Virus when does the ...
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2answers
1k views

CPU usage 100% till i open task manager in a 4 months old laptop

I have had an i5 10th Gen machine for 4 months, but I can now see that the CPU usage is 100% till I open Task Manager and as the Task Manager opens, the usage reduces drastically and even comes to as ...
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1answer
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Why did Microsoft Defender detect this simple and harmless program as a “Severe” threat?

I wrote the following program in C to test how the Windows API function PathCchRemoveExtension works: #include <Windows.h> #include <strsafe.h> #include <pathcch.h> #include <...
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49 views

McAfee has cursed my computer to always give me a popup every fifteen minutes with no way to stop it

I reused the hard drive I had on my old computer on my new pc, I forgot the password on it and decided to just used administrator, just a few days ago a McAfee popup decided to show on my computer ...
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Why, when I right-click a single file and go “Scan with Microsoft Defender”, does it start scanning my entire system?

I've done it numerous times now, with the same result every time. It didn't use to do this weeks or months ago. It doesn't just scan that file, but my entire damn machine. Which means it never ends, ...
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what is “ssl/tls protocol filtering” in Eset Internet Security, and do I need it?

Recently, Thunderbird upgraded to version 78.4.0, from version 68. After the update, I couldn't receive any email, from any server whatsoever. After considrerable reserach, I disabled "ssl/tls ...
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104 views

ESET does not provide protection and always wants a restart

I get these warnings, although I have already restarted my PC twice. Translation by me: Security warning Computer restart required Realtime file protection is not functional I have ESET 14.0.21.0. ...
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28 views

Is it possible to monitor RDP Sessions or Connections to a PC and Is there a good sessions monitoring program that will log remote sessions?

Is it possible to monitor RDP Sessions or Connections to a PC? I'm hyper-sensitive and a little paranoid about malware with dormant RDP and FTP-enabled code. Is there a good sessions monitoring ...
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340 views

How to get rid of “this script contains malicious content” error?

I've made a VB script for my startup procedure in Windows 10 that launches an executable. It uses the following structure: Dim Host Set Host = CreateObject("WScript.Shell") Host.Run "...
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115 views

Does Windows Defender on Windows 8.1 provide same protection as on Windows 10?

I'm concerned about reliablity of Windows Defender.I currently use Windows 8.1 and don't use any other antivirus programs. When I checked online, all the reviews of Windows Defender were that of the ...
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PUA:Win32/Vigua.A => GC.Communcator.exe unknown windows defender detected threat [duplicate]

Does anybody know what this is or might be, I have heard the name Proffessor "Eric Laithewaite" before as I have watched some of his electronics videos on Youtube and possibly downloaded ...
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Microsoft Defender Antivirus is disabled, but back to normal after reboot. How to disable it permanently?

I have Windows 10 ver 2004. Since Windows Defender changed to Microsoft Defender Antivirus I'm unable to turn it off. In Local Group Policy (gpedit.msc) under Computer Configuration/Administrative ...
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1answer
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Symantec Flagging my powershell script as virus

Was wondering if anyone could shed light about why symantec is think my script is a virus. i have a powershell script which is then compiled to exe file. our domain users run this script what it does -...
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How to enable automated USB scanning in Windows Defender while autorun is turned off - Windows 10

Is there any way to enable automated USB scanning in Windows Defender when a USB is plugged in? And is there any way we can turn this feature on while disabling autoplay in Windows 10?
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How to decrypt all my personal files which is encrypted by window after window 10 reset? [duplicate]

All my personal files and excel files are encrypted by window when i reset window 10. Now i am not able to open my excel files. In all my files, the extension .geno is added in all the files (Mouse ...
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2answers
366 views

How can it be verified that ClamAV is detecting a particular malware?

I have ClamAV running and updating via Freshclam. How can it be determined if ClamAV's current signatures in daily.cvd are indeed detecting a particular malware item? A very similar question was found ...
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3answers
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Windows defender flags an app but Norton says it's fine

I'm trying to download Lychee Slicer from Mango3D.io. I followed their suggestion by telling windows defender to allow it to download. Then I scanned it with Norton. Norton said both the website ...
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Windows Defender won't delete or restore quarantined threat

Windows Defender has quarantined two threats on my PC recently: one is an infected executable on a network share (which was put there deliberately and which someone needs), the other is a simple "...
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How to recover files encrypted by a ransomware ( .D02-C74-B2B) [duplicate]

A ransomware encrypted all my files with the extension (.haecvvv.D02-C74-B2B). I can't recognize the virus ... this is the first time i see this encryption extension. Does any one has any idea about ...
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Cryptic ClamAV results log file?

I installed ClamAV on LMDE4 and ran it using sudo clamscan -ir ./ | grep FOUND >> /home/user/Desktop/clamscan_results.txt The results file only contains the following: Binary file /bin/ntfsfix ...
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Norton: You have entered an invalid path

I've written a program for my local computer. It is written using Visual Studio in VB.net. It is signed with a local certificate. We have Norton installed and it of course will block my program if it ...
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144 views

What does Microsoft mean by this note in regards to running “Microsoft Defender” (“Windows Defender”?) on the command line?

I'm trying to automate local file scanning with Windows Defender... or Microsoft Defender. They seem to use both terms in a confusing manner. On this URL: https://docs.microsoft.com/en-us/windows/...
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Windows 10 home: security settings are empty, cannot enable Defender or Antivirus?

When checking my Windows 10 Home defender / security settings, I noticed the settings page was empty. I don't mean the defender or antivirus was disabled (although I guess it probably is) but the ...
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1answer
34 views

HYPER-V VM disappered after reboot

I have WIN 2016 server (datacenter), on which one VM hosting DHCP Server disappered after rebooting host server. I tried restarting the VMMS services but no luck. I have two antivirus running on the ...
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6/6/20 1:23:12.335 PM CylanceSvc[60]: CyHelperOSX.clientIsAllowedToConnect: bad signature status

I am running Cylance 2.1.1553.503 on OS X 10.11.6 Every few seconds Cylance is generating these messages in my Console system log: 6/3/20 10:55:40.249 AM CylanceSvc[60]: CyHelperOSX....
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Kaspersky Security Center moves devices out of groups

normally I manage devices usisng Kaspersky security center's group policies. so all devices are assigned to their groups. However KSC suddenly moved them almost all to unassigned devices, There is ...
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115 views

Computer acts like it has lost internet, but is still connected

I am having a weird problem with my laptop. My computer will act like it has lost connection to the internet (Slack cant send messages, Chrome says no internet access, stuff like that), but current ...
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1answer
361 views

Check PDF for Viruses

I found this on Github. https://github.com/alitekdemir/Python-Books/blob/master/Jon%20Erickson%20-%20Hacking%20Art%20of%20Exploitation.pdf I wan't to support the real author with buying it, but ...
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26 views

Windows 10 file copy mechanisms

I have a program that monitors a directoru and then operates on it when placed in said directory. My program seems to have some kind of error when files are large. I dont have any details yet but ...
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168 views

Remove bit9 cb protection agent approval (Carbon Black)

My system has the cb protection agent installed from bit9/Carbon Black. When I install some programs it will pop up with a message to ask me to add an exception, and I can see other exceptions I've ...

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