Malware (short for Malicious Software) is a type of software designed to access a computer system without the owner's informed consent.

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Can Virtual Box/VMware infect the host PC when testing Cryptolocker?

Can cryptolocker encrypt the host PC if I test it on a Virtual Machine? Currently I am using 'NAT' as my network type or whatever...
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6answers
3k views

USB drive gets infected every time I plug it into my laptop

Whenever I plug in my USB flash drive into my laptop running Windows XP, an AutoRun.inf file gets created inside it. Also a hidden folder called "Cache" which uses the Recycle bin icon gets created. ...
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2answers
57 views

Hidden Files: Odd large system files taking up space on hard drive

In the above image there are four large files with names composed of what appear to be random (non-Roman) Unicode characters. I have no idea where they came from. Is anyone familiar with these? Do I ...
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5answers
556 views

Preventing malware from sniffing the sudo password

I often hear people citing sudo as one of the main barriers to malware infecting a Linux computer. The most commen argument seems to go along the lines of: Root privileges are required to modify ...
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2answers
141 views

Active Adblock Plus shows weird error in Chrome JS Console

Every page i browse with chrome shows this error in the console: extensions::uncaught_exception_handler:8 Error in event handler for (unknown): SyntaxError: Failed to execute 'insertRule' on '...
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1answer
109 views

Weird-looking Registry entry under HKCU\Software\Classes (is it a virus)?

I wanted to set Photoshop as my default image viewer (need a workaround because Windows doesn't recognize it), so I have to edit my Registry. In the tutorial on the official Adobe website, they say to ...
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1answer
163 views

How to remove cryptowall encryption

Please help me urgently, Because My all files are encrypted by unknown virus named, 'CryptoWall encryption'. I attached one screenshot, which is provided by this virus.
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3answers
346 views

How can malware affect a router?

I had a problem with my router (in the question Same popup on my devices, is there a malware? I wasn't able to reply) it was infected with malware.I checked the problem by changing the router and the ...
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2answers
53 views

Why are my router's DNS settings changing?

I'm using d-link 2600U router (updated to latest firmware). My router's DNS setting keep changing and my browser redirects to adult websites and fake ads. I scanned my computer with this softwares: - ...
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2answers
70 views

Youtube link gave me a virus?

I was watching a Youtube video, and I then clicked on a "View all replies" link under a comment. I tried this again 2 times, and none of the clicks had worked. Immediately afterwards, three console ...
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1answer
669 views

Can I delete the AI_RecycleBin folder?

I'm trying to clear out some space on my SDD and I have this folder in C: (where windows is installed) that takes up 12.2 GB of space and is called AI_RecycleBin. I've tried to search for this folder ...
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1answer
34 views

Malware Allowing Remote Access to my Machine

I would like to understand how Malware allows a remote connection to my machine. Am I correct in thinking that my modem / router will block all inbound connections from the internet? A scan has shown ...
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0answers
19 views

How to track what's creating a temp file? [duplicate]

On every bootup, a file named gxxx.tmp.exe is created in %temp% and the name changes every time. How do I find what's creating this? Here is the file https://malwr.com/analysis/...
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2answers
38 views

Can Malware infect a machine with UAC enabled and not elevating a process

Is it possible for Malware to infect a machine (i.e. not just a user account) running in a standard user account when UAC is enabled, if the process is not elevated? I ask because I want to know how ...
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2answers
50 views

Please suggest some safety measures for analysing viruses on my pendrive

My pendrive have been infected by virus and my antivirus fails to detect it. Several folders on my pendrive have been hidden and the virus has spread all over my computer. I see many strange changes ...
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1answer
5k views

Disable chrome auto refresh bug

When chrome starts, whenever I open a new tab and start surfing, the tab in which I have the focus gets refreshed to Google.com. Every time I change, after 1 or 2 secs it gets back to Google.com. When ...
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1answer
93 views

High Risk Desktop Configuration

I'm a part time activist. (nothing I do is illegal in any democratic country) I receive files that could potentially include zero day exploits. The machine is a laptop. I keep very regular backups so ...
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2answers
78 views

How do I stop this active malware alerted by Avast?

I am not knowledgeable on how to find adware/malware beyond scanning for it with whatever protection software I have. I avoid suspicious websites and often get popups from Avast if a page is infected ...
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1answer
47 views

why Ransomware malware payment message not encrypted also?

it is an awkward question but just want to know why the payment message not encrypted or corrupted or any error seems to happen when pop-up? and what type of this message is it an excutable extension ...
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0answers
15 views

Protect debian from a typical dropper (malware)?

I have a Debian box that I have pretty secure. Browsers are rarely used, except lynx which is used almost exclusively to download specific files. The daemon servers running on the machine are just a ...
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1answer
46 views

WD external hard drive some folders can not be viewed due to a possible virus?

Now I am using a windows 8.1, Samsung laptop, with WD Elements 1tb. The problem is one day some folders in my external drive decided to not show up. I figured it might be due to some virus affecting ...
6
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4answers
2k views

Most of my files in my Windows 8 got encrypted; Windows is still running

Around 90% files of my files, including *.doc, *.jpg, got converted into *.micro! There are two files left: help_recover_instructions+iyf.html help_recover_instructions+iyf.txt These files say: ...
9
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1answer
804 views

Does Windows 10 File History protect against crypto malware

Is the saved data generated by Windows 10's file history feature isolated from users and administrators? I'm asking this after reading of the recent crypto attack against OSX machines where time ...
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0answers
29 views

Currently blocking malicious websites with Malwarebyte, what to do next? [duplicate]

This question is concerned with the management of a temporarily contained but potentially active computer virus in a particular case. Background information System information Windows 10, 64-bits, ...
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1answer
47 views

Windows 8.1 won't start after malware cleaning

I've got my friend's laptop and was asked to clean it. After running Malwarebytes, CCleaner, AdRemover the Windows won't start. Automatic repair doesn't work. According to Windows\System32\Logfiles\...
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1answer
4k views

MMLoadDrv apart of Catalyst Control Center? Look suspicious

This loads at startup every once in a while. It looks strange, and it's always the same image in that window, but it's slightly animated. Does anybody know the purpose of this? Can I remove it? I've ...
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1answer
21 views

Where do I start to troubleshoot this strange activity from my firewall?

I noticed that my firewall yesterday blocked outgoing attempts starting at port 61494 and worked its way up to 62381, making a TCP outgoing attempt at each port once. The remote IP address seems ...
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1answer
197 views

Suspicious CPU activity when computer wakes from sleep; VPN suspected?

Recently I noticed that upon waking from sleep, one or more of my CPU cores were running at full blast. My computer sleeps without fans on, so this is worrisome to say the least. I have experienced ...
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2answers
314 views

Can I disable this Dell PremierColor feature?

Is it possible to turn these blue boxes off? They pop up whenever I drag a browser window.
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1answer
210 views
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0answers
156 views

Decrypt files encrypted by LeChiffre ransomware

Over the weekend, my personal server got hit with the LeChiffre ransom ware. Unfortunately, they were able to get in due to an insecure Active Directory account. I've since disabled all accounts and ...
5
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1answer
238 views

Can my Linux-mint become vulnerable after updating?

According to Linux Mint's blog post: The website of linux-mint is hacked and some ISOs are replaced with backdoored operating system. I am installing my operating system from a few weeks ago. ...
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0answers
900 views

IE and Chrome are requesting that I allow ect.html.gz to be downloaded for some sites

IE and Chrome are requesting that I allow ect.html.gz to be downloaded for some sites. What is this file? Is it dangerous, or is this a malfunction of IE and Chrome? The problem does not occur with ...
4
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1answer
372 views

How did Symantec get a certificate on my laptop?

I just bought a Dell Inspiron 5559 and I immediately proceeded to switch the hard drive for a fast SSD and install Windows 10 Pro from an ISO downloaded from Microsoft. Since almost everything is ...
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1answer
290 views

Redirect pop-up to wonderlandsads.com malware for webbrowsers [duplicate]

My PC has been infected with a malware that opens pop-up to some ads, mostly in my native language (Persian) but from (wonderlandads.com), when I click on a link or in an input box in StackExchange ...
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1answer
832 views

Why does my antivirus software detect XiaoU/LenovoService uninstaller, Lenovo software, as malware?

I recently purchased a Lenovo H50-55 computer with Windows 10 Home x64 on it. I uninstalled some of the Lenovo software that shipped with the computer, but not all of it. I ran a full malware scan ...
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3answers
10k views

How and why is this string of text a fork bomb?

Found on a random chan board: echo "I<RA('1E<W3t`rYWdl&r()(Y29j&r{,3Rl7Ig}&r{,T31wo});r`26<F]F;==" | uudecode Somehow running this this results in an infinitely spawning ...
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1answer
8k views

How to remove osx kernel extension

I am trying to remove a kernel extension but every time i restart it keeps coming back how to permanently remove it? i believe this com.ab.kl.engine is some sort of spyware output of: kextstat | ...
2
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2answers
564 views

Purpose of :A when creating virus (Ethical Hacking please)

I am studying how to make simple virus (for Ethical Hacking in Virtual Computer) This video gives demonstration, https://www.youtube.com/watch?v=vkxtOr2RLbY In short, you create .bat file with ...
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2answers
204 views

Log application changes made to the system

Windows 7, 64bit. I have an application which I don't trust but still need to run. I would like to run the installer of this application and later on the installed executable under some kind of "...
2
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0answers
193 views

Possible for malware to set a BIOS password?

Strange issue. My PC locked up and I reset it by holding down the power button. It had been overclocked and I received a message that my PC had experienced a boot failure due to voltage issues. I'...
4
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1answer
79 views

How could an unscrupulous company benefit from knowing my hard drive serial number?

I have recently run into some malware on my computer that has gathered up my computer's make and hard drive make and serial number, along with probably many other things. The malware installed itself ...
2
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2answers
613 views

Can't Get Rid of Mac/Linux Malware or Hardware Bug

My MacBook now has a permanent back door for some hacker that I can't seem to get rid of. I even tried booting from a Linux USB stick, wiping everything including the EFI partition, but every time I ...
0
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1answer
53 views

LAN client attempting to connect to many unkown IPs on Boot

I have a Zywall 110 Firewall. While perusing the logs I was seeing random bursts of attempted connections to unknown external IP addresses from a single LAN client computer. I noticed because I would ...
5
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1answer
2k views

What exactly is Java's new helper tool? Updating from Java 8 update 60 to Java update 71 on a Mac

I've looked around online and can't seem to find that much information of what Java's new helper tool is. I've found another thread here on SE but it doesn't explain that much. Is it something that ...
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2answers
54 views

Can Sophisticated Malware, Spyware and Viruses Read Files?

I've recently began encrypting my personal files using veracrypt. I've got my resume, which, obviously contains personal information (name, address, phone number etc.) A little bit of reading here, ...
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1answer
103 views

Manually detect malware (such as a keylogger)? [duplicate]

Is there any way to manually detect if malware, specifically a keylogger is installed? Looking for answers on XP, 7 and 8.1. For example, is there a combination of any of these options that can ...
0
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1answer
106 views

How to get rid of search.safefinder malware [duplicate]

At the time of updating my kmplayer software, "Safe Finder" malware has been installed in my computer. I have searched for solutions for removing it and I got many solutions. But, probably they are ...
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1answer
27 views

Remotely running malware detection on a *unix server

I've used Linux Malware Detect in the past and it's very efficient and useful, however to run the installation shell script access to the root directory is required. As a result, when I'm on many ...
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0answers
59 views

Haven't found DNS Unlocker in the Task Manager. Where could it be?

This morning I found DNS Unlocker on my workstation, and since then I am trying to remove it. I guess, I visit some wrong website yesterday during the lunchtime. I really need help with this. There’s ...