Malware is any software application which subverts the will of the legitimate owner of a computer, by means of force or subterfuge, with or without personal or monetary gain on the part of the creator.

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2
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1answer
29 views

Suspicious Network Activity - is my system compromised?

When using Firefox to open a blank page, I have a weird network connection that shows under Network Activity in Resource Monitor (Windows 7). The address is: "insiders-guide.pacedev.com". A screenshot ...
0
votes
0answers
53 views

What other actions can I take to remove malware from an compromised device and how do I do them? [on hold]

My device has been infected with a RAT (Remote Access Trojan) or whatever the phone equivalent is. Here is my device info: Model: Samsung Galaxy Note 5 (CDMA) (SM-N920V) Service Provider: Verizon ...
3
votes
2answers
77 views

My cellphone is infected, and it keeps coming back

Please bear with me as English is not my native language My Android smartphone downloads apps automatically without any interaction. Generally the apps are known but some are unknown apps. I can only ...
-4
votes
0answers
85 views

Can someone help me dissect this virus? [on hold]

It's a well known virus found on USB sticks, where it will hide the data in the pendrive and creates a shortcut of the pendrive inside pendrive. Plug this into any other computer, and the virus ...
0
votes
1answer
34 views

How to know if a file is malicious with static analysis? [on hold]

I'm a beginner in malware analysis.I would like to know what should I do when basic dynamic analysis doesn't allow me to know if an executable is malicious or not. Should I start reversing the main ...
2
votes
1answer
241 views

Malware infected ATMs in China via specialized device

Hackers inserted a specialized device which was connected to the notebook into the card reader slot on the ATM and installed malicious software. 100 thousand US dollars were stolen from at least seven ...
0
votes
0answers
25 views

How to mitigate attacks on mobile phone via mobile network, i.e. imsi catchers and other methods to take into account [closed]

I have AIMSICD installed on my unrooted Galaxy Grand Prime running 5.1.1. I don't connect it to my home router, which I'm assuming as a matter of course has been compromised, or wifi hotspots. I never ...
92
votes
11answers
7k views

How do you explain the necessity of “nuke it from orbit” to management and users?

When a machine has been infected with malware, most of us here immediately identify the appropriate action as "nuke it from orbit" - i.e. wipe the system and start over. Unfortunately, this is often ...
6
votes
4answers
4k views

Malware infections from visiting or using YouTube

Is it possible to be infected by viruses or other malware while visiting YouTube? What kind of measures do the YouTube staff take to prevent viruses and malware?
21
votes
2answers
3k views

How do I remove my website from the malware database?

I have a website which is basically a service platform. As far as I know there is no malware in my website (at least not found according to these free scanners). However, Check Point malware database ...
3
votes
3answers
69 views

Does typical Ransomware only 'attack' certain folders/filetypes

I expect this is very much on a per malware and OS basis so could potentially be very broad hence the typical. A user's computer has been infected by a piece of malware which aims to encrypt all ...
37
votes
5answers
5k views

How do I safely inspect a potentially malicious website?

Sometimes I'm interested in what's behind a malicious website. How do I stay on the safe side if I decide to inspect? I'm searching for methods that are quicker and more simple than running the ...
139
votes
8answers
16k views

What should you do if you catch ransomware mid-operation?

You boot up your computer one day and while using it you notice that your drive is unusually busy. You check the System Monitor and notice that an unknown process is using the CPU and both reading and ...
-3
votes
0answers
52 views

What is this program because I can't uninstall it [closed]

So there is this program on my pc but it is in full chinese and I don't know what it's called and in Programs and Features there is no sign of that program. This is what it looks like: ...
16
votes
2answers
418 views

Do the most common ransomware programs delete the original files as they go, or in a big bulk delete at the very end?

I'm talking about the most common varieties like Cryptolocker, Cryptowall, Torrentlocker, KeRanger, RSA4096, etc. (There is not necessarily a need to answer for all of these, one or two may do.) If ...
0
votes
0answers
30 views

Can a virus execute without user interaction? [duplicate]

I have seen a lot of malware infection techniques where the user is infected by drive by downloads through browser vulnerabilities or social engineering. But is there a way that a virus could execute ...
3
votes
2answers
43 views

Is there any chance of PC getting infected when you analyse PCAP malware file?

Currently, there are lots of pcap files of malware analysis carried by other researchers available on Internet. Such files show the traffic pattern and communication of the malware with it's C&C ...
0
votes
0answers
31 views

What are best ways to begin to write embedded system exploit code? [closed]

Nowadays, unsecured embedded systems have became a route to infection of the network. I was reading the post of the person who hacked "Hacking Team", where he mentioned that he found embedded devices ...
27
votes
3answers
3k views

Malware that can survive BIOS re-flashing

The well-respected security consultant Dragos Ruiu is reporting that he has been infected with mysterious malware that can survive re-installation of the OS and re-flashing of the OS. In other words, ...
0
votes
1answer
47 views

What is ffmpegsumo.dll [closed]

What is ffmpegsumo.dll? I do not want to visit any websites as my AV protection is currently limited. It is one of the 4 DLLs that Avira detected on my computer. The files detected were: Unsigned ...
7
votes
2answers
201 views

Can malware infect more than one operating system?

Is is possible for malware to be written in a low-level language such as C or C++ and do the following: Infect a single operating systems(such as Windows) Detect other machines on the same network ...
0
votes
1answer
94 views

website - infected by malware and if yes, how can I treat it? [closed]

A friend told me that the website of our association, here , got blocked by the corporate network of the company he is working for, due to malware (see picture below) I've tried a few website like ...
2
votes
3answers
1k views

Does Skype compromise my system (beyond the scope of calls/chats)?

First of all, please don't shout at me for wanting to use Skype. I know that it's evil and I fully expect all the calls and text chats going through it to be stored permanently in govt data centers, ...
2
votes
2answers
44 views

Protect against virus and malware attacks from website ads with iptables

Lots of websites spread malware by publishing advertisements that distribute malware. Even YouTube's ad network has been compromised in the past. Browser ad blockers and related plugins have there own ...
2
votes
1answer
262 views

Can malware spread via bluetooth file transfer in Android?

I am aware of some malware that spreads when two devices are paired using Bluetooth; but can malware spread when sending a clean file to someone or receiving it via bluetooth ? If so, does it need ...
1
vote
1answer
89 views

Android Malware Dataset

I am working on a project to identify the author of the malicious apk. To test my results I need dataset of malicious apks along with their authors. Currently I am working on a dataset which is very ...
3
votes
2answers
307 views

Google Chrome on Android constantly being redirected

I have an Android (5.0.1 with December 2015 patches). My problem is with Chrome (latest version as per Google Play Store). Which has malicious redirect going on to ...
-2
votes
0answers
14 views

Computer infected with Skeeyah.A!bit [migrated]

Today I did a virus lookup for my relative via Windows Defender, and it found an Skeeyah.A!bit trojan. Windows Defender has deleted it, and even after reboot he didn't find traces of that trojan. ...
0
votes
2answers
124 views

Why don't the majority of today's malware use strong cryptography?

While reading another story of botnet takedown, my wondering has reached its apogee: Why don't malware authors use cryptography (encryption + signing) provided by good libraries when their creations ...
-3
votes
0answers
26 views

Rogue file appears over and over again, how to fix security [duplicate]

I've been trying to get rid of several rogue files that appear in my website file directories. I run a cronjob to check for any file changes and delete them every time the cron job catches them. I've ...
13
votes
2answers
474 views

Advertisement on Skype tried to download a file to my computer using Javascript

I usually have Skype running in the background. If you have ever used Skype before, you probably know it has advertisements. One of these advertisements made two windows pop up on my screen, asking to ...
0
votes
1answer
58 views

mail.ru and slightsearch.ru hijacking browser default search engine set by admin

I recently got malware installed on my PC that contained software that infected my google chrome, by hijacking my default search engine. I tried: Removing newly installed programs from PC, using ...
5
votes
3answers
134 views

Mitigating the risk for a successful ransomware infection

The company I work for has been getting hit with loads and loads of frightfully sophisticated ransomware spam lately, people masking as consultants, customers, very specific company requests, etc. ...
0
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2answers
88 views

Posting links to executable files and security

If someone is able to post on the forum of my website links to executable files (malware) hosted on remote websites: can we say that my website suffers from a security hole ?
1
vote
2answers
912 views

Malware removal: Iframe injected javascript

My Joomla! website is infected by an iframe injected malware, according to Sucuri SiteCheck: To remove the malware, does it suffice to remove the infected file site/media/system/js/caption.js? Or ...
0
votes
1answer
29 views

How to safely exchange functionality of a file between two computers?

I have two computers and the goal is to move a functionality of a given file from computer A to computer B. The file is supposed to have a certain known functionality but it potentially could expose ...
8
votes
2answers
853 views

How to avoid ransomware

Malware files execute themselves after downloading them. Let's look at it from the point of view of a piece of ransomware like CryptoLocker, from Wikipedia: Crypyowall 3.0, uses a payload ...
0
votes
2answers
461 views

How exactly does this Flash malware function on Ubuntu?

In this video, an experienced Ubuntu user manages to infect his system with some sort of malware. This is the first example I've ever seen of truly successful malware in the wild aside from privilege ...
3
votes
1answer
4k views

Zeus botnet source code

I am doing my project on botnets and wanted to understand the source code of the Zeus botnet. Where is the right place to get started with some analysis of zeus botnet source code? I need a good ...
0
votes
0answers
48 views

Do these DNS requests seem like Conficker/Torpig-like behaviour?

I'm at my wit's end on this one... I have been seeing weird traffic from an IP on a client's local network and I think the host is malicious. Looking at the traffic it is producing, is always ...
1
vote
2answers
28 views

Random autofill [closed]

I was trying to pay for something just now, and when I put my name in the chrome autofill came up and I clicked it. The address that showed up was wrong though but corresponded to the postcode of one ...
8
votes
2answers
2k views

Will completely wiping your hard drive remove all malware? [duplicate]

I recently bought a new computer. Now I want to convert my old PC into a Linux system. However, I want to start completely fresh and not bring over any malware. I am already planning to wipe ...
-3
votes
1answer
50 views

How can a polymorphic virus decrypt and execute portions of the code during runtime?

I found this article about a polymorphic virus that encrypted and decrypted itself during runtime. The article said that the only non-encrypted part was a stub that decrypted the next part of the ...
0
votes
2answers
69 views

Malware able to “read” one's screen

I was searching online about multifactor authentication. One of the reasons that people recommend it is because they fear someone may use a keylogger to "steal" their password, so they use one more ...
2
votes
1answer
101 views

Could someone help me deobfuscate this malicious script code [duplicate]

Two months ago one of our Wordpress sites was infested through and through. This was at the same time I started working at this company. Our main platform is Plone, but I guess they did some on the ...
6
votes
3answers
97 views

Is tails os susceptible to a cold boot attack?

I've looked at the documentation and it mentions that upon shutdown the data residing in the ram is overwritten, however it doesn't go into any detail on how it does this. Documentation link: ...
1
vote
2answers
169 views

Server full disk encryption protection from malware

A group of LINUX servers is using dm-crypt to encrypt data. The servers do not store data long-term but are only temporary stopping points for data before it is sent to other systems. The time the ...
0
votes
2answers
57 views

Malware or viruses by browser redirects?

Recently was browsing and clicked on a link to the following address: (In code blocks so you cant accidently click it) http://paycheck-calculator.org/ Clicking on this quickly loaded 2-3 different ...
15
votes
5answers
2k views

Can a .sh file be malware?

Can a .sh file be a virus or something harmful? Is it like .exe files on Windows? If yes, can someone read this script and tell me if it safe and is it effect any how on GnuPG security? It gives me an ...
4
votes
1answer
61 views

How do I use a directory of YARA files?

I'm going through the Malware Cookbook PEScanner and they want a path to my YARA files to search on. I currently have a directory full of YARA rules for known pieces of malware. What would be the ...