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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3
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1answer
110 views

Can I trust my antivirus' assessment of my computer as clean, if it previously found threats?

Yesterday, I went to my Recycle Bin (for the first time in a while) to purge a bunch of files I had sent there. When I clicked on the folder, my antivirus warned me of a trojan out of the blue. Later, ...
0
votes
2answers
321 views

Difference between antivirus and sandbox?

When reading about how antivirus and sandbox work, my understanding is that an AV scans a file to see whether it matches with known viruses signatures. Sandbox can be used to obtain the behaviors of a ...
10
votes
0answers
79 views

Should the risk of antivirus products be reconsidered in light of the TrendMicro critical bug report [closed]

Tavis Ormandy of Google has recently discovered a critical TrendMicro design flaw identified in this bug report - TrendMicro node.js HTTP server listening on localhost can execute commands. The bug ...
7
votes
1answer
1k views

Is rooting an Android phone to install an anti-virus firewall worth it?

Some Android anti-virus offer a firewall like Avast or Comodo anti-virus but you need to have a root access to use them. However rooting an Adroid phone is often presented as a security risk. So: ...
4
votes
2answers
617 views

What is the difference between a HIDS/HIPS and an anti virus?

I have gone through what IDS/IPS's are. I understand the difference between a NIDS/NIPS and a HIDS/HIPS. But Host IDS and Host IPS sound like an antivirus software to me, is there a difference?
0
votes
1answer
70 views

Is it a good idea to use two antivirus? [duplicate]

I read a "no two anti-virus" rule and I also read about how you can use two anti-virus programs, but you need to do some configuration. Is it worth it to run two anti-virus programs on one system and ...
4
votes
1answer
364 views

Antivirus constantly detecting tmp files as threats

Recently my antivirus has been constantly detecting threats and it's always tmp files. I delete maybe 50 of these files each day. A few days ago it detected a trojan. Last week it detected many '.json'...
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1answer
49 views

Does AV Search Machine Code or Source?

When scanning a downloaded file, does AV search the malicious source code or assembly code to identify malicious code? Are there any online resources that give detailed analysis of how AV scans files,...
5
votes
1answer
109 views

How Can Malware Hide Using Cryptography

How is it possible for malicious programs to hide using polymorphic cryptography when programs must be first compiled into machine code? You cannot cryptographically hide machine code, can you? Then ...
3
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3answers
117 views

Detect trojan/keylogger/virus on a businees network

On a business computer network with around 50 computers, there is a computer infected. We need to find that and remove it. I have been running the software below in the suspicious computers, but ...
0
votes
3answers
97 views

How to successfully prevent advance persistent threats

With the topic of advance persistent threats (APT) getting common nowadays, how do you successfully prevent such an attack in the workplace? Do you have to purchase expensive tools, such as those from ...
0
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2answers
328 views

Virus-total offline Alternatives [duplicate]

These days I am working on FUDing my own written backdoor, RATs, etc. what is the alternative offline version of virus-total, if I don't want AV companies gaining my virus signature?
8
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3answers
764 views

Where Does ClamAV Get Its Virus Signatures?

I see that ClamAV has virus definition files which are mostly hash codes in md5, sha1, and sha256 formats, which either look at the whole file or what are called PE sections of an executable file. Of ...
2
votes
1answer
122 views

Linux antivirus and files bigger then 4GB

I wish to scan files that are bigger then 4GB. For example video files. I noticed many antivirus software are limited to a maximum of 4GB (ClamAV for example). So: Is there a antivirus software ...
22
votes
3answers
5k views

Metasploit Meterpreter alternatives

These days I am testing various type of client hacking techniques, but in all scenarios I am using Meterpreter variations as payload. Now I can bypass Anti-Virus and Firewalls easily, but Symantec ...
0
votes
1answer
62 views

If my antivirus caught suspicious .exe files transferring from a mac to my PC, am I safe from them?

I've been trying to help my mother in law to backup / upgrade her old Mac. In order to use online backup solutions, I've had to transfer her files to my Windows PC. As files were transferring, I saw a ...
2
votes
3answers
87 views

Is there a more precise approach to generate signatures for ClamAV, than regex signatures?

Actually I generate signatures from libraries, to scan executables for beeing statically linked to that library. My actual approach is to read out the .text section and generate a byte sequence for ...
1
vote
1answer
67 views

Access to email without antivirus [duplicate]

I am doing a test where we want to asses whether an email with a benign virus in it, exits a network. I need a means to receive the test emails I am sending from inside the network, without any ...
1
vote
1answer
580 views

ClamAV Flagging application .swf files as malware

ClamAV scans on our application servers are identifying some of our legitimate Flex .swf files as malicious, specifically citing CVE-2015-5548 (specifically, "Swf.Exploit.CVE_2015_5548 FOUND"). ...
5
votes
1answer
80 views

“Segmented” malware

I've been researching how anti-malware tools function and I feel like I'm missing something with heuristic analysis. What I've learned so far Anti-malware programs can use heuristic analysis and ...
1
vote
2answers
212 views

Is Linux getting less or more secure? [closed]

The famous so-called virus-and-hacker-free Mac is a thing of the past: As it gets more popular it gets more vulnerabilities. Will Linux be the same at some point in time? Is it getting less of more ...
2
votes
3answers
96 views

Wordpress: a Virus detection plugin is necessary?

Is a Virus detection plugin is necessary for WordPress nowadays? EDIT: I mean to prevent attacks and violations... for example i'm using this plugin: https://sucuri.net/wordpress-security/wordpress-...
4
votes
3answers
180 views

Best way to check if your browser is secure

There is a lot of Malware checking software which seems is just a virus. How can you check for sure that your Windows 8 computer is uninfected with virus and malware? Is malwarebytes enough, or ...
2
votes
1answer
106 views

Effectiveness of Secure Boot on kernel-mode rootkit detection

With so many new patches and updates, how effect is Secure Boot on detecting kernel-mode rootkits?
4
votes
2answers
403 views

Why Antivirus Detects Simple Java Program as Trojan?

Just now I was testing a very simple code in Java when I noticed a strange thing. On compiling the program my antivirus detected it as trojan and deleted the jar file. Further it is not allowing me ...
-4
votes
1answer
113 views

Will Kaspersky or BitDefender work on Hyper-V? [closed]

In case if I decide to test them or just don't want install them on a physical machine. I mean usual versions of antiviruses, not specially designed for virtual machines. Also interesting if I can ...
41
votes
5answers
11k views

Accidentally came across the source code for some malware, what to do?

I accidentally, the other day, went to a dodgy site, and today I discovered that in my cache there lay a text file. And after reading the contents of the file, I have deduced that it is the source ...
2
votes
1answer
173 views

Antivirus monitoring activity: why do they not have an internal firewall to prevent processes' access to user's documents?

A question that arises after an updated and licensed version of Norton Internet Security has detected a trojan installed in my new laptop (Windows 7 installed on 26 Aug'15 and fully updated). Trojan ...
1
vote
1answer
104 views

what is the most secure hash for virus definition databases in 2015?

I have been told, if I wanted to create virus signatures from infected files to use for detection in the future, I should be careful as some of them are prone to collision attacks?
2
votes
2answers
87 views

Is it possible to safely watch a specific folder with virus scan on Windows Server?

I have a website that must allow numerous file types to be uploaded, some of which could possibly be dangerous, such as a word document. There's only a single website on this server that allows this. ...
2
votes
0answers
1k views

How to disable injection JavaScript into browsers? [closed]

I am using Kaspersky Antivirus and recently I've updated it to Kaspersky Total Security 16.0.0.614. When I checked my browsers I realized Kaspersky injects remote JavaScript into all my pages even ...
5
votes
1answer
147 views

Kaspersky Lab malware faking. How worried should I be? [closed]

Well most probably we will never know the truth, but anyway: Beginning more than a decade ago, one of the largest security companies in the world, Moscow-based Kaspersky Lab, tried to damage ...
5
votes
2answers
354 views

What's the attitude of anti-virus vendors toward ransomware?

I was recently asked to look at a Windows computer behaving strangely, and I found a "Your files have been encrypted" ransom note that had been left in several directories. I wasn't able to identify ...
108
votes
8answers
16k views

Are there technical differences which make Linux less vulnerable to virus than Windows?

What makes Linux so different than Windows in terms of anti-virus needs? My question is not if I should get an anti-virus for my Linux. I perfectly understand why an AV is important. I would like ...
28
votes
4answers
20k views

Is HTML5 vibrate feature a security vulnerability?

While surfing a news website on my mobile, I receive a virus infection alert warning that triggers my phone to vibrate incessantly. The alert looks like the following: I didn't expect my phone to ...
-1
votes
1answer
215 views

A sneaky way of disabling Microsoft Security Essentials?

For a long time I've been dismissing and ignoring this popup, which is easy since it only appears at boot (or logon) which is once every few months: But recently I became suspicious after a crash (...
23
votes
3answers
3k views

Could malware move during a scan to avoid detection?

I think every AV-Scanner is using some predictable recursive scan to search files for malware. Couldn't malware easily detect a scan and just move to an already checked location, determined by knowing ...
3
votes
3answers
3k views

What is the precise difference between a signature based vs behavior based antivirus?

I do not understand very well the difference between signature based vs behavior based antiviruses. Please clarify the distinction between the two.
5
votes
2answers
258 views

SSL Handshake failure when antivirus is enabled

This is a problem related to SSL handshake failures when an anti-virus (Kaspersky) is in between. From WireShark, I am able to notice the SSL handshake successful (i.e towards the end client ...
-6
votes
3answers
165 views

What File Types Should I Scan Before Opening? [closed]

In general, a person downloads some files from the Internet. Secure practice is to, at least, scan them before opening them. In light of this, what file types (i.e. extensions) should a normal user (...
3
votes
1answer
130 views

Methodologies for test & benchmark of Antivirus Software

I want to evaluate a new antivirus product which obviously hasn't undergone the tests by known test labs. So I want to measure its performance in different aspects and come up with common comparisons ...
-3
votes
1answer
95 views

Is there a Antivirus called “Application level antivirus” [closed]

Recently I heard the term called application level antivirus. I just wanted to know is there anything like that. I heard a company provides such kind of antivirus(I dont want to post company name) I ...
11
votes
2answers
2k views

Custom Metasploit payload with UAC bypass

The machine I am attacking has anti-virus installed. I have managed to use Veil Framework in order to create an initial reverse shell payload that is undetected by the AV. However, UAC is enabled on ...
4
votes
2answers
857 views

How do cryptographic algorithms help hackers to bypass Antivirus software?

I was wondering how do hackers use cryptography for bypassing antivirus software. I don't have some deep understanding on how antivirus software works, but I know that every antivirus has base of ...
4
votes
2answers
722 views

Is there a way to use VirusTotal.com offline?

I live at a place where we don't always always have internet. I wonder if there is something like VirusTotal but that could work without internet connection and sync when I have some wifi to update ...
1
vote
2answers
793 views

How effective is antivirus software? [duplicate]

On one hand, most antivirus websites claim their products are highly effective, and I've seen antivirus "test" videos claiming 95%+ detection rates for new malware (as in less than a day old, not old ...
1
vote
3answers
323 views

How to get started as a Malware Analyst? [closed]

Sorry if this is posted in the wrong section. A little about me: I'm going to be a sophomore in the fall at university, my major is Computer Science (Information Assurance). I've been interested in ...
2
votes
1answer
123 views

How long does it typically take to distribute malware signatures?

Are there industry-wide measures that identify how long it typically takes to identify, develop and distribute new malware signatures? I want to understand how long organizations are typically ...
6
votes
1answer
2k views

How can one create one's own anti-virus scan server at home? [closed]

I suppose that every one used a service such as virustotal.com, anubis.iseclab.org, or any other service that could provide the same objective to scan same files. So my question is how can I make ...
2
votes
0answers
130 views

Remote accessed? [closed]

I'm not an IT professional but I'm hoping someone will take the time to answer this. I'm not generally such an idiot but this happened: I was using Ancestry.com on Chrome and clicking links within ...