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Questions tagged [antivirus]

Antivirus or anti-virus software is used to prevent, detect, and remove malware, including but not limited to computer viruses, computer worm, trojan horses, spyware and adware.

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Online traffic monitoring by ISP for safety purposes

I have a question regarding approach to online security and protection against viruses, malware and phishing by one of the biggest European ISP. Below you will find my understanding of the topic. Is ...
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1answer
49 views

Do SSL proxies such as those from antivirus vendors hijack client processes?

In an attempt to understand the topic further, the following posts were reviewed. Why is 'avast! Web/Mail Shield Root' listed as CA for google.com? Are the certificates from “skype click to call” ...
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1answer
276 views

System Infected: Trojan.Naid Activity [closed]

We have Tomcat 6 in the production server with Symantec Endpoint Protection on windows server 2008 server datacenter. Symantec showing following lines in logs [SID: 27068] System Infected: Trojan....
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78 views

Malware Author's Mindset

I'm studying common malware characteristics, and I'm having a bit of difficulty understanding the design choices the malware authors make. Many of said choices seem to revolve around making life ...
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1answer
63 views

What is the thought process behind, Endpoint protection is better than firewalls?

I keep reading about, and seeing people post and recommend in the oddest places, that strong endpoint protection is better than having a in-service/supported/receiving security updates firewall. What ...
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0answers
11 views

Norton 360 blocking Windows 10 network share/printers if Default Block Microsoft Windows 2000 SMB is active

Tried asking via Norton's forums but would never let me post question. Norton 360 blocking Windows 10 network share/printers if Default Block Microsoft Windows 2000 SMB is active. Is anyone else ...
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1answer
26 views

which antivirus best for window 10 on hp laptops? [closed]

which antivirus best for window 10 for security and virus protection specially for hp laptops.
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1answer
95 views

Kali.download website blocked by Kaspersky because of Trojan, is it safe?

So when I tried to dist upgrade my Kali, at the end my Antivirus blocked it from downloading from this website Do all Kali Linux operating systems try to download from this webpage (http://kali....
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2answers
188 views

How would one scan a large, untrusted file?

I've recently started to convince relatives to upload anything they download to Virus Total, to help them be more safe when downloading stuff. However, I have recently come across an installer for a ...
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1answer
134 views

How does malware stay undetected for months?

For my college course, I am currently researching how malware works and stays undetected from antivirus and users. I built a proof of concept that stays hidden at scan time and run time. If a hacker ...
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1answer
193 views

Antivirus warns about processes trying to access my webcam

For the last two weeks I am constantly getting notifications from my antivirus about attempts of using my webcam. I have always chosen "Block access", often after checking "remember for this ...
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3answers
83 views

Choice of Anti Virus Tool vs Anti Malware Tool?

We've had a breach in our network recently and we have been challenged over the the AV tool we are using. Because the malware/virus was cleaned (variant of Ransomware) by using an advanced anti ...
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2answers
74 views

What is the recommanded periodicity for antivirus RAM and disk scans?

Antivirus scans consumes resources, and far more when the full disk or RAM is scanned. Anyway, files are scanned before opening and often when they enter the system, so periodic scans on this point of ...
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2answers
105 views

Should antivirus be centralized?

We have hundreds of workstations, tens of servers, both Windows and Linux, in tens of premises, with centralized logs. And we have an internal rule that says the antivirus shall be centralized. I ...
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2answers
98 views

Can an ISP limit what security software (firewall) that will work?

My ISP (JCOM) says that McAfee is the only security software that will work with them. Is that true? The system is running Windows 7 Home Premium Japanese Version. The McAfee system is provided by ...
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2answers
175 views

How dangerous is this Network?

Our school requires everyone to bring their own laptops for homework, etc. It uses something called 'Genian NAC' to authenticate users. I can either use Ethernet or Wi-Fi to connect, but both require ...
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2answers
55 views

Does Antivirus software upload files they find to their servers?

As the question suggests, do antivirus softwares running on a local machine upload files they find malicious to their own servers for further research and is there a privacy concern here?
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1answer
95 views

Information on the specifics of how behavioral antiviruses work?

I'm looking into security software and it seems like the Next Big Thing is behavioral antivirus. I'd like to try possibly making my own rinky-dink "next-gen behavioral AV" so I can gain a better ...
82
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7answers
15k views

Company claims hardwire connections are a security issue

Someone to whom I am related is at a study camp for their desired profession. This person, let's call her Jane, is supposed to be studying rigorously for two months. The housing provided offers ...
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1answer
77 views

Virustotal detecting threats in Suricata rule set

Virustotal scans are detecting threats from the Suricata default rule pack located https://rules.emergingthreats.net/open/suricata-4.0/ Is this a false positive? https://www.virustotal.com/#/file/...
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1answer
70 views

How does Windows knows a particular software is an AV?

First, I did some GoogleFu and came up with nothing. My question is: How does Windows 10 know things like McAfee, Symantec, AVG, etc are antivirus solutions? My assumption is that they set a ...
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3answers
42 views

Read Write Execute on infected thumb drives

There is some debate going on among my peers. With differing opinions regarding risk on infected thumb drive with limiting policies set on it. Question is Can you still get an infection with read ...
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1answer
255 views

Docker + AV on the host

I've dug through some history of this site (which inevitably means someone will post how I missed it) and didn't find anything directly relating to my question. What has been the typical solution ...
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0answers
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Website marked as dangerous (phishing) in the past. How to get off blacklists? [duplicate]

One of our clients got his website infected almost a year ago. The site indeed contained some malicious files on the FTP server, and it got marked as dangerous, with suspicion of phishing attempts. A ...
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1answer
139 views

My system is being attacked or it is attacking

My system is running on Windows 10. I am using Avast Free Antivirus. Today i got an update from Windows update. After installing that update Avast started raising notification saying We've safely ...
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1answer
91 views

How (and where) to report a web site distribute a program with a virus?

I came across this free video converter program for Windows called Any video converter and installed it, my antivirus program immediately found a virus within it (Win32:Evo-gen). How and where can I ...
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1answer
251 views

(WMI Infections) Suspect behavior from scrcons.exe detected?

In almost every five minutes, I come out of the AVG avg stop downloading files and do not know which program wants to download these files. I have read this before WMI Infections So, i opened this ...
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1answer
163 views

Official recommendations for antivirus on Windows servers

I'm looking at rolling out agent based AV to around 1000 Windows servers across our estate. This feels like too much of a blanket approach. We have a mixture of services running - the usual things ...
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2answers
117 views

Do Transient, Volatile Servers Require Antivirus Scanners?

We are often asked whether we install antivirus software on our servers, specifically the kind of signature-based scanners that run on a schedule. Client security questionnaires and ISMSes often ...
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1answer
135 views

Firefox accuses of malware, but virustotal have 0 matches

I sometimes download PDFs on libgen and sometimes Firefox will acuse them of being malware with the advice "this file contains virus or malware" but gives no details. I've run several of these files ...
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2answers
100 views

While installing Go programming language trace.exe detected as virus by KAV

When I tried to install Go programming language, Kaspersky AV in my system detected a path to file: C:\Go\pkg\tool\windows_amd64\trace.exe as suspicious one and triggered a virus alert. my doubt is ...
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2answers
170 views

How to make a well-known malicious programs undetectable by anti-virus solutions? [closed]

I want to make well-known malicious programs, like Mimikatz and Incognito, undetectable by anti-virus solutions. I have already tried various approaches myself, like packing the binary with UPX or ...
0
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1answer
355 views

Should I get an antivirus for Linux Desktop

On a non-international forum I was reading a discussion about using an Antivirus on Linux Desktops. There are two opinions: 1. Anti-Virus is best-practise regardless of the OS used 2. Anti-Virus on ...
3
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1answer
48 views

Central console antivirus for Linux computers in LAN or equivalent solution

In our company, we need by policy AVs on every developers' Linux (Mint) computers. Right now we have ClamAV running on them, daily scheduled scans and every developer manually sends the report log to ...
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1answer
157 views

Filezilla for mac OS - Virus?

I hope this is the correct stack to post this. So I'm trying to download FileZilla for my macbook and I have McAfee installed, when I click in the download button, the antivirus flags it as Artemis!...
3
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1answer
468 views

How to detect malware in linux

Is there any way to detect rootkit/malware in linux servers? While for windows users the easiest way is to leave it for an antivirus/anti-malware application, but when you have a Linux machine that ...
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0answers
69 views

VBoxClient error in BitDefender rescue CD [closed]

I'm afraid that I am targetted by hackers. To resolve this, I'm now trying the BitDefender rescue CD. When starting it, I get the following error notification: VBoxClient: VirtualBox kernel ...
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0answers
124 views

How do I update Windows Defender to use old definition files?

I'm attempting to replicate a customer's issue locally. One of the differences is our Windows Defender definition file versions. The current version seems to be 1.269.694.0, and I'm looking for ...
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1answer
268 views

Why can RunPE Injection bypass Antivirus Software?

I informed myself about RunPe Injection and programmed my own runPE. Right on my first try, I was able to hide a meterpreter payload from my antivirus program (Avira Antivirus). The meterpreter ...
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2answers
109 views

How to make a Virus Analyser? [closed]

want to create a program that can check a file and give output about file is in infected or not,also need to know what kind of infection that file have (ex : Trojan, worms, etc ) Is there a way to ...
2
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2answers
108 views

Integrate antivirus with a sandbox

When reading the Difference between antivirus and sandbox?, I came up with the idea of how to integrate a sandbox with AV. When the sandbox analyzes the sample and finds that the malware, antivirus ...
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0answers
38 views

Dell Bios Patcher via dup2 Patcher - false positive

I have written a tool that patcher Dell BIOS updates to work on any other system, which is usefull for the Dell T20 to patch it as T1700. I have used the dup2 Patcher to create the patch. But it ...
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0answers
29 views

Creating exceptions / rules for online backup programme

The desktop client for a backup provider i use called Backblaze is with very high CPU usage; around 60% of a 2.7ghz i7. I contacted Backblaze's support and they informed me that Avast anti virus and ...
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2answers
107 views

Is it insecure to use a single antivirus exclusion list?

I work in an organisation that struggles to manage and maintain services. We're rolling out an AV solution and I want to configure a single exclusion list across our entire estate to cover SQL, AD, ...
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0answers
64 views

How to check for malware in existing personal data

tl;dr: Before concentrating on the walls of my walled-garden security model how can I be sure that I don't already have infected plants. Put another way: How can I be sure that I'm not compromising ...
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3answers
172 views

What are the privacy conerns with cloud based submission in antivirus?

It seems like many antivirus programs use the cloud to scan files for malware. Isn't this a privacy concern if local files are being uploaded to the cloud? For example with Automatic Sample Submission ...
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1answer
41 views

Standards and Guidelines Pro/Con Anti Malware programs

For a whitepaper about anti-malware products used in combination with (server side) applications and infrastructure components (database server) I am looking for standards, guidelines and codified ...
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0answers
86 views

Which Anti-Virus companies share their signature databases?

I recently heard that AVG and AVAST shared their malware signature databases (avast forum) Which AV vendors share their signature databases or use the same engine for detecting malwares? Based on ...
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2answers
140 views

Why does Kaspersky warn me about PHP trojans on a Mac?

I have a question regarding PHP Trojans on a Mac. I have downloaded a website's home directory which has been hacked to my local Mac. On this Mac I am running Kaspersky Internet Security which ran a ...
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1answer
78 views

Windows flags Microsoft Sysinternals .zip files as malicious

Downloaded sdelete v2.01 from official Microsoft website using Google Chrome on Windows 10 Pro: https://docs.microsoft.com/en-us/sysinternals/downloads/sdelete Basic info for SDelete.zip: SHA256: ...