Questions tagged [virus]

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

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Opened a zip file in a spam email which created a folder in the /net folder

I accidentally opened a zip file from a spam email. There is a text file in the zip file which I have also clicked to view. Later, I checked that this file has the following content: /net/us.e-fax....
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Why is there a different username in my terminal? [duplicate]

When I opened terminal, i noticed something strange. Instead of seeing something like Last login: Fri Aug 9 14:54:37 on ttys000 Alis-MacBook-Air:~ alidehghan997$ I now see the following: I have no ...
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2answers
172 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 ...
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79 views

Safari hijacked by Safe Finder. Change homepage preference greyed out

I must've downloaded this virus when I was prompted to download Flash thinking it was the real software. Now whenever I open Safari I get linked to this search engine. I had this issue with Chrome ...
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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 ...
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Do I need version.xml file in Applications folder?

While cleaning out my folders I found a XML script with ~160K lines of code. Maybe i'm ignorant and this is normal for a version file? I won't paste snapshots because Im unsure if there is sensitive ...
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1answer
181 views

What is the function of `Library/Application Support/updater_mcy/updater_mcy` file?

My Avast security app has isolated the following file: Library/Application Support/updater_mcy/updater_mcy Since this has happened, I think it has resulted in me getting error messages on my Mac ...
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2answers
615 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....
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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 ...
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44 views

How to detect and maybe eliminate Malware from 'Flash Player'?

I read about that some websites do claim you have old Adobe Flash Player installed. I am not sure whether or not I got such notifications legitimately or not. I know I have downloaded some Flash ...
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1answer
272 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 ...
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55 views

I think I opened an unsafe unix exe file! Can anyone tell me what this file might've done?

I was downloading a crack file for premier 2019 pro cc as something went wrong with my subscription and now I don't have premier, so when I opened the dmg. It showed an installer and I went through ...
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1answer
191 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 ...
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680 views

Mac suddenly restarted due to 'problem' and then guest account appeared on login screen

The guest account appeared after a crash restart (with an unusual message and screen that I haven't seen in earlier system crashes). The guest account is now there despite it being turned off in the ...
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23 views

How can I restrict restrict an apps permissions to a specific file?

I intentionally have downloaded the virus lose/lose. My antivirus keeps quarantining it, so I'd like to change the apps permissions so that it can't access lose/lose.zip. How can I change the apps ...
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1answer
728 views

Flash Player.dmg Question

Quick question concerning malicious flash player.dmg files.... I was on news sites (on the likes of CNN, BBC, etc.,) the other night when suddenly my tab automatically opened a new tab with a long ...
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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 ...
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1answer
361 views

Shortcut Virus: What's the effect on a Mac?

I was at school when we tested a PowerPoint presentation on one of the school's laptops. Apparently, when we got home, many of my classmates told me that the laptop gave a "shortcut virus" on their ...
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2answers
102 views

Virus detected. how do I remove it?

How to fix this? I am on High Sierra. I can't purchase, Help!
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1answer
438 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) ...
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1answer
291 views

What is proper way to get rid of quarantined files after ClamXav scan?

I used ClamXav to scan my iMac for viruses. Now that I have them quarantined (19 files) do I just put them in the trash? Or is there a different method to making sure these are gone and won't be a ...
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60 views

How did simply visiting a site made my iPad unresponsive?

I went to this weird site for fun named (DO NOT VISIT THIS SITE UNLESS YOU HAVE A VIRTUAL MACHINE) virus4u dot com This site is extremely malicious. On a school computer, the audio screamed "Alert ...
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1answer
51 views

Running the memz virus on a parallels vm: safe?

I have a copy of the memz virus, and have parallels windows vm. What I'm wondering, is if I run memz.exe/bin (not memz-clean.exe/bin), will I screw up the mac that I'm running the vm on? Thanks
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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 ...
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2answers
4k views

Downloaded a torrent of cracked software – think my Mac is now infected

So I downloaded a torrent of Apple Final Cut Pro. There was a quick pop of either Terminal or Green looking terminal. The said application (green Terminal) opened and close, opened and close, and so ...
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1k views

Fake Chromium showing on launchpad and won't uninstall

My colleague has noticed there is a Chromium icon on their launchpad screen but it's not possible to remove it. We've tried dragging it to the Trash but nothing happens. There is no app listing in /...
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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/...
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347 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?
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1answer
2k views

Hidden processes causing huge increase in ios data usage?

On my first iphone the data usage was both reasonable and logical at the beginning, but a couple months in and I was seeing a ridiculous increase of >5x usage. I started off average 5-8 gb/month and ...
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2answers
1k views

iPad keeps asking for Apple ID login

My iPad 2 keeps asking for my Apple ID and iCloud login, cleared Safari hx, reset my iPad. I was contacted by Apple that my ID was reset by IE on a Windows PC. Changed my Apple ID from my iPhone. iPad ...
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1answer
33 views

My Font book opens every time I log in. Is it a virus?

Every time I turn on my MacBook, the font book opens too in my dock. Is this a virus? How to stop this?
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2answers
644 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 ...
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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.
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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 ...
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42 views

Think my Dad may have just downloaded the Apple Security Malware

My dad doesn't use a Virus checker (doesnt disable Java either and isn't running the latest OSX) and just appears to have fallen for the Apple Security malware popup (looked and sounded something like ...
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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 ...
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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 ...
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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 ...
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1answer
902 views

Found Virus Bloodhound.PDF.20 on the time machine external drive, how to remove

Just got a bran-new work-issued macbookpro loaded with Symantec endpoint protection (not by choice), it's less than 2 weeks old. Created backup using the time machine software, and endpoint kicks in ...
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1answer
182 views

‘bin needs to download the font “Nanum Myeongjo”’

My Mac gave me a pop up that asked "bin needs to download the font “Nanum Myeongjo” I clicked it away and ran Malwarebytes which found and quarantined "Adware.Spigot". Am I fine? Should I still be ...
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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 ...
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1answer
708 views

Possibility of viruses from opening dmg file?

While installing a file, the pop up with the fake flash player downloaded a dmg to my computer. Because I was already downloading something else and expecting to find it in my downloads I accidentally ...
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1answer
7k views

AddressBookSourceSync a virus?

On my mac, in activity process, there are two processes that keep on running even though I stop them. They are AddressBookSourceSync and com.apple.AddressBook.ContactsAccountsService. Is it possible ...
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2answers
856 views

Mac is using 100% CPU while it is OFF

I have a MacBook Pro (Retina, 13-inch, Early 2015) MacOS High Sierra 10.13.2 Sometimes my mac using a lot of CPU power. The usage is 75% of the system. But this occurred when I was away and the mac ...
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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 ...
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1answer
162 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 ...
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1answer
450 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 ...
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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 ...
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2answers
215 views

Strange network activity virus when Aiport is off / No Wi-Fi

So I have this strange issue on my aging MBP (pre-retina generation, running 10.8.5 (need this for Maya 2013 to run), where basically the network is always showing activity even when I am not ...
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1answer
44 views

Mac Infection via Website Visiting?

Is it possible for a mac to get infected by just visiting a URL? I was searching for someone's profile when suddenly the URL browser showed a couple of re-directions and then my macbook started ...