Malware, short for malicious software, is software designed to disrupt computer operation, gather sensitive information, or gain unauthorized access to computer systems.

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6
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3answers
276 views

Paste stops working (“CFPasteboardRef: Lock timeout”)

Pasting from the clipboard stopped working on my Mac. Nothing is pasted, and the following line appears many time in syslog. Apr 5 **:**:** *** com.apple.WebKit.WebContent[6583] <Warning>: ...
4
votes
3answers
4k views

How to get rid of booby-trapped pop ups to update flash player?

I'm coming across a malicious pop up to update my flash player. The message in the pop up: Warning! Your Adobe Flash Player version is outdated. Security risks. Please update now. I've seen this ...
0
votes
1answer
18 views

How can I find out which process was stopped by RansomWhere?

I use RansomWhere, a tool to protect from ransomware. I have OS X Yosemite. As far as I understand, RansomWhere just warns me whenever an app tries to encrypt data. It's up to the user to judge ...
0
votes
1answer
25 views

Sluggish 2013 21.5" El Capitan iMac

My second hand 2013 iMac has been running really slowly. I have already done a complete wipe and reinstall, but that didn't help. trying to get to the bottom of this, and suspecting imminent HDD ...
0
votes
0answers
25 views

Can malware be the source or 600% load on 8-core i7 processor with nothing in Activity Monitor nor `top`?

My Mac suddenly started showing a heavy processor load, i.e. 600% or more. When I checked in iStat Menus, Activity Monitor and sudo top, no process was shown to consume more than 10%. Should I worry ...
1
vote
0answers
34 views

Why does kernel_task cpu% grow unbounded until forced reboot? [duplicate]

I saw an issue with my MacBook Pro running El Capitan with Chrome running that the kernel_task went haywire and started sucking up all the available CPU and the % cpu just kept climbing to where it ...
5
votes
2answers
792 views

HP Product Research on Activity Log

I'm seeing an item on my activity monitor called 'HP Product Research.' I assume it's associated with some HP Printer drivers that I no long need, and have have removed, but this tracker keeps ...
0
votes
1answer
63 views

What is the performance penalty of using RansomWhere.app?

As many might be aware OS X is now potential victim of ransomware exploits. So far we have one example only, First Mac-targeting ransom ware hits Transmission users, researchers say, but chances are ...
0
votes
1answer
56 views

Is DetectX itself malware?

A friend installed Mackeeper, and I tried to uninstall it with DetectX. As far as I know, DetectX is not known malware as I can only find positive comments about it. But, I'm concerned that I cannot ...
2
votes
1answer
186 views

Does FileVault protect against ransomware?

I've already asked a question about ransomware on OS X in general. But I failed to get a response regarding whether FileVault protects against it. That is what this question is about. I'm also ...
0
votes
1answer
37 views

Suspicious warning about a Kernel Extension

This morning i received this warning from BlockBlock about a new kernel extension being installed. I'm running OS X 10.11.4. I looked up on google and found out that it could be related to a ...
6
votes
2answers
465 views

Logging in to main user turns off the mac

I am not a mac user, and honestly, I have no idea how to use one (besides the terminal). So, a friend asked if I could help them out with fixing their computer. She says the last thing she was on, was ...
0
votes
0answers
202 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 ...
2
votes
2answers
140 views

My iMac will not allow me to log onto my desktop

I got a viruses alert when using my Mac and sadly I reacted ASAP. I gave control to a remote technican via log-me-in and I went through the steps that where asked. After I got off the phone with the ...
-1
votes
1answer
54 views

Should I be worried after clicking on attachment in scam email?

I received the email in the screenshot, which I'm fairly sure is a scam. I clicked on the attachment in the Mail app on my iPhone 6 (iOS 9.2). Note that I didn't unzip the attachment. Should I be ...
0
votes
0answers
21 views

Mail on Yosemite 10.10.5 Can't stop Mail from downloading attachments

Simply trying to disable Mail from downloading attachments automatically. So I went to Mail > Preferences > Accounts > Advanced tab and turned off the "Automatically download all attachments" option. ...
0
votes
0answers
57 views

What is the origin of dubious popup “UPDATING_LOCKED_TITLE”?

I was working on a Mac running Yosemite (10.10.4) with the following applications running: XQuartz (with around 10 windows), App Store (running the last update: OS X Update 10.10.5, iTunes 12.3.3, ...
1
vote
2answers
120 views

WeTransfer email received without ever using the service

I'm am using a MacBook Pro 2012 using El Captain version 10.11.3 I received 5 minutes ago an email from WeTransfer (noreply@wetransfer.com) saying that "Your file has been sent to ***@libero.it. As ...
0
votes
2answers
2k views

Yahoo is taking over my Google search from my Safari on my Mac

In Safari Preferences, Google is my Default Search Engine; New Windows and New Tabs are set to Homepage. However, recently whenever I Google something, I click on my choice and I end up on Yahoo ...
2
votes
1answer
55 views

Is it too much paranoia to be suspicious of software that require a separate “Helper App”?

I was out trying to find a good system monitor application and decided to give a shot to Monity, which has gotten several good reviews from respectable journals. What bothers me is that the ...
-3
votes
1answer
66 views

do i need to reinstall el capitan

I have recently acquired my first apple product an Imac el capitan. I let a security firm scam into my computer and even though nothing has changed I feel compromised. others have suggested I ...
0
votes
0answers
33 views

When acting as a “Personal Hotspot”, does an iPhone ever do anything beyond routing?

I want to use the iPhone's Personal Hotspot feature as my primary connection to the internet. I'm a little nervous about placing my iPhone at risk to hacking. Does Personal Hotspot perform any action ...
1
vote
1answer
49 views

Start app/command-line tool without internet/network access

Is there anything that can help me launch an app or command-line tool without internet or network access even when I'm connected to the internet? (so that I can use other apps with Internet, and block ...
3
votes
4answers
2k views

A security update locked OSX.GenieoDropper.A

I need to launch an app but OSX recognise it as a malware. While launching this app, OSX says "app will damage this computer. You should eject this disk image. It contain OSX.GenieoDropper.A". ...
0
votes
1answer
89 views

Need to force close suspicious tab/dialogue box jamming everything

Need to force close suspicious tab without accepting a download from a dialogue box that currently has the whole browser stuck.It wants me to click "OK" to unfreeze things. The screen shot (for those ...
1
vote
1answer
2k views

impact and removal of XcodeGhost

Unfortunately, I installed some of the apps mentioned on this list, and confirmed that the versions I have are still compromised by XcodeGhost: http://researchcenter.paloaltonetworks.com/2015/09/...
0
votes
0answers
209 views

What is AppleCameraAssistant and why is it using so many CPU cycles?

I noticed in top that AppleCameraAssistant is one of the most CPU-intensive processes currently running (well, technically it's sleeping, so it has 0.0% CPU, but it's still near the top of the list ...
0
votes
0answers
29 views

How to make sense of >100% CPU usage and re-spawning of a force-quitted process?

My MBP was making loud noises again so I opened up my activity manager and I was baffled to see that the CPU usage of mutt is more than 100%. This is strange because all I was doing in it was to ...
0
votes
0answers
41 views

How to get rid of the malware which creates folders

Recently I encountered some weird folders in the names of my files (including extension) which prevents some files being called. e.g. a file named index.html has been moved to a folder named index....
0
votes
1answer
48 views

What is MacUpdaterSwift in my com.apple.loginitems.plist file?

I saw some strange entries in my Login Items, so I decided to do some digging in the associated com.apple.loginitems.plist file, and found something called MacUpdaterSwift. Google only gave me three ...
1
vote
1answer
59 views

Performance problems, possibly malware?

I have concerns about malware or something significantly affecting the performance of my iMac. As you can see from the screen shot below I have updated to OS X Yosemite Version 10.10.5, but I did ...
4
votes
1answer
7k views

How do I check to see if my computer is infected with the OSX/Crisis Trojan?

Just recently, a new trojan for OS X was discovered. Apparently it only affects Snow Leopard and Lion. Whether it does/doesn't affect Mountain Lion is still unknown. The trojan sits on your computer ...
0
votes
0answers
33 views

Can a Remote Access Trojan infect a MacBook Pro's Hardware?

I recently threw out my old MacBook Pro HDD and replaced it with a new ones as I suspected it had been infected with a RAT (Remote Access Trojan). Is it possible that the RAT is still lurking ...
0
votes
1answer
38 views

Unknown wifi connection in my Connection dropdown menu

My problem is that I have this strange wifi connection name as shown in the attached image below among my wifi connections. Each time the name is different which is always a randomly generated ...
0
votes
2answers
424 views

How can I reinstall OS X without a valid App Store connection?

I have a Mid 2009 MacBook Pro that was used by a "less than responsible" user. As such, it seems to have become infected with malware that rewrites all SSL certificates. These certificates cannot be ...
5
votes
4answers
2k views

How did my Mac end up with iPhone 4S as my host name in the user prompt in OS X terminal?

The other day I was searching for Xcode iOS 5 tutorials. About a day or two later, I noticed my terminal prompt is now "iPhone4s : myusername". Naturally , my biggest fear is that there could be a ...
50
votes
3answers
606k views

Is the message “You must change your passcode within 60 minutes” valid / non-malware?

A few minutes ago, after unlocking my phone (iPhone 4, iOS 7.0.1) I got a dialog over the home screen: Passcode Requirement You must change your passcode within 60 minutes and it offered to ...
4
votes
2answers
2k views

What is AppSC extremely slowing down my MacBook Pro?

I noticed that my OS X very frequently runs extremely slow and everything lags. I opened up Activity Monitor and I saw that something called AppSC is using up to 95% of the memory. It makes my ...
7
votes
8answers
10k 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 ...
0
votes
1answer
1k views

What is coupond?

I restarted my Mac, running El Capitan, and got a pop up asking whether I wanted to allow "coupond" to accept incoming network connections. I said no. I rebooted and got the message again. I have no ...
0
votes
0answers
54 views

Advice on securely removing malware

I helping out a friend who thinks they may have malware on their machine. I don't what kind or to what extent, so I don't want to boot into the system. My question is Is there a good boot time ...
1
vote
1answer
65 views

“Remote Desktop Client” updated, but NOT installed

I just purchased a used iMac yesterday. Today, the app store updated "Apple Remote Desktop Client". I can not find an app called that in my app folder. Could it be hidden? Could this be used to 'spy' ...
2
votes
1answer
80 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 ...
-1
votes
1answer
487 views

why Chrome pop up from gocomputerhelp247.com/system-alert

Why did I suddenly get a message with a Chrome icon to call a phone number immediately because I was under attack? The address was gocomputerhelp247.com/system-alert. It told me under no circumstances ...
4
votes
1answer
502 views

How to recover files from the home directory that malware removed on OS X 10.10.5 Yosemite?

Two days ago, somehow, my Mac running OS X Yosemite 10.10.5 got infected by malware and it deleted almost all my files from my home directory. I have no idea how it happened (it wasn't because clicked ...
4
votes
1answer
2k views

Can I unload com.apple.mrt via launchd or otherwise remedy these errors?

I just realized that the job com.apple.mrt crashes every 10 seconds on my Mac. What exactly is the aim of com.apple.mrt? Apparently it should be a "Malware Removal Tool". Can I remove it from ...
1
vote
2answers
82 views

iPad 2 company installed monitoring malware

A company I used to work for installed tracking malware on my iPad 2. It monitors my emails, Facebook, changes my passwords, etc. I did a complete reset at an Apple Store, it is still there. The Apple ...
0
votes
1answer
22 views

Removing MySearchDial malware

My brother decided to install uTorrent on my iMac. In doing so, he accepted the installation of MySearchDial, a browser hijacker. I now have no idea how to remove it. Adding a new tab in Chrome will ...
0
votes
0answers
38 views

lsof on 10.7.5 does not show some connection attempts - is rootkit the only explanation?

After having SANS 504 training recently I am trying to catch some nasty stuff on my computers and finally I found something I am unable to explain. I am running concurrently Wireshark and lsof loop ...
1
vote
1answer
35 views

OS X: Spontaneous Application Appearance

A friend of mine asked me to inspect her computer a while ago as she suspected that she may have some virus trouble. In part of my initial check of her computer (MacBook Pro OS X, probably Mavericks) ...