Questions tagged [virus]

A virus is a malicious computer program that can duplicate itself and spread to other computers.

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26
votes
4answers
6k views

Git Config Error in Xcode

When I opened xcode and tried to make a macosx app, this weird message came up. Is this a glitch or a virus, as Apple wouldn't say something like this. It does not look like a system message.
16
votes
5answers
4k views

Can someone help me evaluate if this is a scam for Mac support?

My father-in-law purchased a $400 lifetime support contract with a company (Cyber PC Experts). Recently his computer has been acting up—running very slowly—so he requested support. The service tech ...
12
votes
5answers
25k views

Are auto-downloaded malicious .dmg app files a security risk if they are never opened?

I visited a page to stream a TV show, and upon clicking the search result link got the following pop-up: I clicked OK, as nothing on Chrome was available, and when I did that, Chrome auto-downloaded ...
10
votes
9answers
1k views

Trash folder is not emptying because of the P ͎̮͉͍ͨ̈́̾̈́A ͎̮͉͍ͨ̈́̾̈́I ͎̮͉͍ͨ̈́̾̈́N ͎̮͉͍ͨ̈́̾̈́.jpg file

When I cd ~/.Trash in the terminal, it shows that there is a folder Downloads, and inside the Downloads folder, another folder Reactions, and inside Reactions, there is a file called Shutting down ...
10
votes
1answer
4k views

Pop-up “Firmware changes detected” randomly appear

This message just popped up on my Mac What could have caused this? I see the file eficheck.bin, how can I tell if my EFI firmware is OK? After sending this to Apple, what happens next?
9
votes
8answers
24k views

Random shutter sound

Every once in a while I hear a loud sound from my Mac. It sounds like either a camera shutter or a keychain lock/unlock. It all started a couple of weeks ago. I fear something is snapping shots of my ...
7
votes
1answer
3k views

Dropbox109 process asking to access firewall on Yosemite

As the title says, I have a process called Dropbox109 asking to access the internet. I have denied it. I have Dropbox installed since Mavericks, and its been working fine (uploads/downloads/sync). ...
6
votes
3answers
13k views

How do I tell if the Flash Player Installer is a virus?

There's been a couple of trojans recently that imitate the Adobe Flash Player installer one of which is called OSX/flashback.A. (More info here) I've been wary of updating Adobe Flash Player due to ...
6
votes
1answer
772 views

Potential virus as Excel macro, opened on iOS

I have just received and email which contained an Excel file with a potential virus in form of macro. I opened the attachment on my iPhone (because it looked like an invoice I was actually expecting) ...
4
votes
4answers
4k views

How to remove Malwarebytes from Mac?

I would like to remove Malwarebytes from a friend's macbook. There is nothing in Applications Folder /Library/LaunchAgents (or in /System/Library/LaunchAgents) /Library/LaunchDaemons /Library/...
4
votes
1answer
1k views

Is it possible or likely for malware or a virus to be transferred by plugging a USB hard drive into my Mac?

I am in the process of transferring data from my old MacBook Pro to a new MacBook Pro. In order to transfer some files, I decided to plug in a USB hard drive that contained a bootable partition of my ...
4
votes
3answers
564 views

Is antivirus software a necessity with the “rise” of MacDefender and others?

I have heard broadly about the so-called "rise" of the Mac viruses. Apparently, there is a "whole new deluge" of Mac viruses. So far, I have gotten nothing that I can see. But I'm beginning to wonder ...
4
votes
1answer
2k views

Can ransomware infect iCloud Drive?

I have all Apple products in my household, and am very security conscious. But the recent articles about ransomware infecting all sorts of computers got me thinking. Even if I was foolish enough to ...
3
votes
2answers
4k views

Rogue calendar event

I have just had a mysterious thing happen: a calendar event has appeared out of nowhere. At more or less the same time I received a similar email: Now I am used to email spam, but how on earth has ...
3
votes
1answer
4k views

Why am I seeing these weird characters in the popup that asks for my password when I try to update Adobe Flash on my Mac?

I'm running OS X Yosemite on a Macbook Pro. I recently had an update for adobe flash but when the password prompt pops up to continue the installation of the update it looks like this: What's going ...
3
votes
1answer
274 views

Restore a potentially compromised iMac - best course of actions

Long story short, a friend of mine received a "unrecognized IP successful login" alert on a Microsoft mail account he owns. The conditions of the "hack" (timing, password used etc) are such that the ...
3
votes
1answer
986 views

Found old viruses on a computer running macOS Sierra: what to do now?

My father was lamenting how random ads will pop-up even with adblock and while browsing trusted websites and how Firefox was always on at startup on his OSX computer (with all software updates ...
3
votes
0answers
4k views

Podcasts no longer play sound

My podcasts played fine two days ago, and sound works on other apps. My podcast episodes are fully downloaded. One I listened to two days ago and was halfway through when I paused it, but now it ...
2
votes
4answers
2k views

How to remove Trovi malware from Safari?

I am pretty much 100% certain that I have somehow gotten a virus installed into my Safari. My homepage and default search engine changes to "Trovi" every time I restart Safari no matter how many ...
2
votes
1answer
13k views

Is it possible to download a virus via iPad safari browser?

I understand that PDF reader in iPad can be a security loophole for virus to get through; but beyond that, how easy ( or hard, or even possible ) is for a virus to sneak through iPad safari browser? ...
2
votes
1answer
279 views

A lot of mysterious executable files inside /Users/Shared

Recently I've noticed that a lot of mysterious .tar.gz and executable files have spawned inside my Shared folder, and by a lot I mean 466 total. /Users/Shared $ ls | wc -l 466 I'm the only user ...
2
votes
1answer
163 views

How vulnerable is 10.6 Snow Leopard to hacking?

My 2007 Mac Mini is used as a TV media device, for watching free-to-air TV channels and Youtube. It cannot be upgraded past 10.6.8. I read somewhere that older OS X can be vulnerable to unnoticed ...
2
votes
1answer
1k views

MacBook locked or with virus? (Apple.pass@post.com)

Yesterday I was out of home and I receive a message on iPhone forcing me to change my iCloud account details. I changes everything to new passwords, keep the 2 factor enabled and sign out in every ...
2
votes
1answer
38 views

STRANGE: After saving a file named BD.jpg, a few minutes later it got renamed to: Good morning -darling …!…-).jpg. WTH?

Yesterday a really strange thing happened to me. I exported 3 files via PhotoShop from the same .psd file: first CA.jpg, second HK.jpg than the third BD.jpg to a website's src project folder (loaded ...
2
votes
2answers
621 views

What is this strange process `qemu` connecting to minergate.com?

I noticed this in Little Snitch: qemu-system-x86_64 /usr/local/Cellar/qemu/3.0.0/bin/qemu-system-x86_64 Total: 444 B sent, 0 B received Outgoing to xmr.pool.minergate.com (78.46.23.253, 46.4.119....
2
votes
2answers
3k views

Is it possible to get a virus on an iPad Air?

I went on a website and some ads (the ones that open up another tab on your screen) popped up. Then I did some research and it turns out the website I went to is fake and is known for hacking, ...
2
votes
2answers
11k views

Java Pop-Up Window

I keep getting a pop-up window that states "To view this content you must download Java Runtime Environment". I even got it while using Pages. Now supposedly one cannot get viruses on Macs (really?)....
2
votes
1answer
194 views

Self-Renewing 'Automation' virus redirects Safari and Chrome through ads to bing. Renews through a memory alert

Running macOS 10.14.2. Safari 12.0.1. Symptoms: Safari redirects searches through proxy to bing Chrome redirects searches through proxy to bing In Privacy Settings, under Automation "Finder" with no ...
2
votes
1answer
105 views

Cannot find/remove browser hijackers

My roommate brought me her iMac this afternoon because it's been behaving very badly since she upgraded to High Sierra. It turns out that her boyfriend has gotten a lot of malware onto it, and I'm ...
2
votes
2answers
404 views

Can malicious software meant for Windows affect a Mac through Wine?

If I install malicious software (which is meant for Windows) using Wine on my Mac, will that malicious application be able to affect my computer at all? (For example, see/do things to files outside of ...
2
votes
2answers
210 views

Mac OS Sierra Feedback app came out of nowhere

So I was just using my mac normally until I looked at the dock and saw a feedback app (which I didn't open). I thought it was from google due to the material icon design but I cannot find a source ...
2
votes
1answer
454 views

Strange sound playing at random intervals

I was able to record this random sound. It started playing few weeks before. I have tried many things to find out which application is playing it, but nothing has worked. I have already tried ...
2
votes
1answer
439 views

What do “Mac Ads Cleaner” and “Mac App Cleaner” do while installed?

Recently I responded to a suggestion that I "upgrade Flash" on my macOS system only do end up with several applications running, and intruding into my browser and desktop that I did not (mean to) ...
2
votes
1answer
150 views

Concerned I may have accidentally dropped malware (or something) onto my system

First time poster in this part of Stack Exchange - apologies I have posted in the wrong section. In short I have an iMac running 10.8. Most of the time I quite happily get about my business but about ...
2
votes
3answers
15k views

Manually cleaning up a threat detected by Sophos Anti-virus?

I was viewing another answer on this website and one of the links lead me to a malicious website. I have Sophos Antivirus installed, and a warning immediately popped up telling me that a threat was ...
2
votes
0answers
107 views

MacBooks randomly restarting at same time: virus or forced software update?

At about 8:50 PDT this morning, 2 out of 3 MacBooks in our household restarted at the same time (about 1 minute apart). What happened is I left the room for about 5 minutes, and when I came back I saw ...
2
votes
0answers
39 views

Safari opens new tab with rapidly changing URL

Potential virus Hi I recently went to a streaming website and after watching a movie I went on and did other things like surf the web But two hours later in a next safari tab I noticed that It had ...
2
votes
0answers
12k views

Connected to WiFi but no internet

A couple days ago, I was streaming a show on the internet when suddenly the internet stopped working. I closed my tabs and restarted my WiFi but to no avail. I checked to see if the internet was ...
2
votes
1answer
376 views

What are these folders and files in my library folder?

I have several suspicious folders and files in my library folder. And I was wondering if I should delete them. ApplicationaContents ApplicationContents ApplicationSupport appn this is just a file ...
2
votes
0answers
119 views

Do I have malware or viruses? [closed]

I have been having problems with my Mac for over a year now. I thought I had fixed this issue... for all that my limited computer knowledge would let me anyway, but it is back and seemingly different ...
2
votes
0answers
669 views

Is this a new virus or adware/malware signature? How do I resolve this?

Since the last 12 hours or so, I've been facing a virus that's somewhat peculiar. When I open websites, and click any link on those websites, I get a new pop-up tab that opens a link from ad.adsmatte....
2
votes
3answers
141k views

Is it possible for an iPad to get a virus?

I was using Safari on my iPad and suddenly a pop up message saying "your device has a virus" appeared. I just clicked okay because that was the only option and then it redirected me to youradexchange....
2
votes
1answer
921 views

Strange unidentified sound playing at random intervals

I luckily managed to record the odd sound especially considering it plays at random. Two weeks back it played about 4 times, one minute apart. Then there was nothing for a long time and now it has ...
1
vote
6answers
16k views

My iPad has a popup saying I have a virus

When I went to a website in Safari, it opened up another website with popups claiming my iPad has a virus. I deleted some of my apps to try and get rid of the virus, but the popup keeps showing up ...
1
vote
2answers
647 views

Is my mac being hacked by a user called Guatoan? And how can I remove this user?

I recently visited a website and on pressing a link another window automatically opened saying the website had found a virus on my laptop. Obviously this was a scam so I returned to the original ...
1
vote
2answers
351 views

Virus infected boot camp

If the boot camp partition of my mac gets a virus, will the macOS part be safe? If the macOS part gets a virus, will the Windows part be affected?
1
vote
1answer
898 views

Macbook Pro (2010, OSX Sierra) has started prompting me to enter password for DHCP again and again and again

All of a sudden my mac has started prompting me to enter my password with the dialog: "Network Configuration needs to update DHCP setting. Type your password to allow this." I've just recently ...
1
vote
2answers
80 views

Is it safe to plug my iPhone into a life fitness cardio machine?

If I plug in my iPhone over USB on a life fitness machine I will be able to play media on my iPhone onto the included tv screen (Hulu/Netflix etc). Should I be concerned that it will install malware ...
1
vote
2answers
2k views

How can I access a specific part of my volumes directory?

My antivirus software has told me that a potentially unwanted program called 'Bundlore'has been detected, but to remove it I need to do so manually. It says it's located in /Volumes/Install/Install....
1
vote
2answers
12k views

Can a website on safari give you a virus?

I was browsing around on good ol' Sarari when all of a sudden, when I tapped on a website that I had successfully visited before, I was redirected to a site simply called Addware Detected !! On screen ...