Questions tagged [rootkit]

Rootkits are programs designed to hide malicious activity on a compromised computer by hiding files, processes or registry entries.

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Typical risky connection count from firewall [closed]

So, I have McAfee's suite of products on my computer and obviously, working from home has caused me to work a lot more using my home computer. Recently, I noticed that my number of risky connections ...
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23 views

Attempting to troubleshoot factory reset for Macbook Air (MacOS Catalina)

So I have task I am attempting to accomplish- fresh, clean factory reset for my current Macbook Air. This issue is challenged by the following 2 conditions on current macbook: 1) Potential rootkit/...
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46 views

Will disabled secure boot put at risk my pc?

I'm having Win10 and Linux on dual boot on my PC. I'm using Linux all the time but now I want to play something that runs only on Win10. The secure boot on my PC is disabled. On Windows I've got only ...
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1answer
101 views

High CPU usage unless task manager opened, but no rootkit detected

I am using Windows 10 (v1903). Whenever I open Task Manager, I see that CPU usage is at 100% -- but then it plummets to ordinary numbers (typically below 20%). This change happens so quickly that I ...
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22 views

How to force run antivirus at boot time if a persistent virus present? [duplicate]

Recently i get a virus, undetectable with virus scanners in offline OS state. The virus doesn't let to run antiviruses, debuggers, cmd, msconfig. Unfortunately, by backup is broken. My idea is to ...
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1answer
329 views

Scanners cannot find a virus - are there alternative scanning technologies? [duplicate]

Leading antiviruses / scanners (Kaspersky, Bitdefender, AVG, Avira, SuperAntiSpyware, MalwareBytes, ... etc. from 2k10 USB drive), AVZ cannot detect a virus in Windows 7 x64 installation that ...
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1answer
65 views

Why I can see lot more free disk space as root than as a user?

When I am logged in as a user, I can see free disk space: 1.2 Gb, with Midnight Commander. Surprisingly when I run "sudo mc" then Midnight Commander shows a lot more free disk space: 1.9 Gb. How is it ...
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1answer
129 views

Is this some type of malware?

I ran chkrootkit on my Linux Mint system, and it complained about several processes like this one: scott 31745 0.0 0.3 1206060 120352 ? Sl Oct03 0:15 /usr/share/atom/atom --type=...
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34 views

Isolate (secure) multiple boot images from harming my PC

Is it possible to protect my bare-metal from compromise, so that I can be fairly confident that (for example) restoring a VHDX system image every month keeps me clean? If so, how? I'm building a ...
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326 views

Chkrootkit False Positive?

After setting up a fresh Kali system in VB I decided to do a chkrootkit to check the filesystem. Chkrootkit identified a lot of suspicious files. Is this a false positive or something to be concerned ...
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1answer
145 views

Format and encrypt compromised USB stick with TrueCrypt to make it clean again?

Let's say I bought an used USB stick from a very professional hacker who has compromised the stick with really professional methods, the NSA or FBI would use to compromise it: Would it be safe to ...
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1answer
2k views

Windows 10 Reset PC with malwares,viruses and rootkits

I have been recently wondering whether the option we have in windows 10 to reset the PC, which includes the reset function that does a deep scan and delete all files in all partitions and drives, get ...
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1answer
146 views

are there any rootkit/virus/malware/etc.. that a windows 7 factory install could leave behind?

can any sort of malware/ rootkit still be on my computer after a factory install? my dell inspiron running windows 7 had(maybe still does) some sort of malware (a rootkit maybe) at its worst point it ...
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1answer
137 views

Computer possibly hacked. Now what

I think someone somehow managed to gain remote access to my computer and was able to log into my ebay account and purchase some stuff. I was noticed the suspicious activity, and yanked the power cord, ...
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39 views

Prevent www.win32.cn/g9 being run automatically [duplicate]

I have recently bought an a4 tech wireless mouse + keyboard. Everything was working fine, but when i started cmd as admin, i started getting the run command automatically and it executes www.win32.cn/...
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1answer
86 views

Sony CDs and “Rootkit scandal”

I recently bought a secondhand copy of a CD that was part of the Sony "Rootkit Scandal" in 2005. I assume it to be infected until proven otherwise. Am I safe to try to rip this on my PC with modern AV ...
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1answer
301 views

Can rootkits and malwares affect a live ubuntu usb with no peristence?

Can rootkits and malwares affect a live ubuntu usb with no peristence ? Can any malware possibly persist and affect all the sessions ? Also, can it affect current session if it cannot persist ? I am ...
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154 views

Is this malware?

I have a machine running Linux Mint (qiana). I noticed it was often slow and when I looked at top I found PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND ...
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2answers
380 views

My friend fell for a tech support scam. I formatted her computer. What should I do now?

My friend received a call from a person claiming to be a Microsoft tech support representative. This person claimed her laptop was infected with malware and compromised by hackers. He proceeded to ...
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2answers
1k views

Why is elasticsearch user running SSHD?

My home network is frequently down and I've narrowed down the problem to my ubuntu box. $ ps -ef | grep elastic elastic+ 11183 1 0 8월10 ? 00:07:49 [.ECC6DFE919A382] eugenek+ 14482 14453 0 ...
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14k views

What is “.HFS+ Private Directory Data” and why is it SO BIG?

I’m recovering this old disk I accidentally formatted, and stumbled across a hidden and HUGE folder of questionable origin. I can plainly see the folder’s contents thru a data rescue program. By ...
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1answer
172 views

What is a rootkit?

I use Avast as my antivirus. Yesterday while using my system, an Avast popup came up saying 'a suspicious rootkit has been found'. Avast suggested to delete it and I did so. Normally when Avast finds ...
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2answers
954 views

Process With No Name: A Possible Linux Rootkit?

Situation When I was looking at gnome-system-monitor one time, I saw a process without a name. Didn't bother me at first. Later, my laptop seemed to be heating up, and would see spikes in CPU ...
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2answers
466 views

Cannot delete folder or files inside

I have a rather strange problem. I have encountered a folder with a file in it, that I can neither see or delete. This is, I believe, a rootkit and I am desperate to get it off my machine. I am logged ...
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1answer
298 views

VirtualBox VM Rootkit Infection

What is the risk of having a host machine infected if a VirtualBox VM running on the host gets infected? Let's assume both run Windows 7.
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1answer
584 views

OS X Rootkit Hunter 0.2 - Results - Help interpreting

maybe someone can help me makes sense if these scan results are something to be worried about and if so, how to fix them. I seems that I do not have any viruses (check with Sophos AV) or rootkits, but ...
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90 views

Rootkit I can not find.

I am running windows 7 ultimate. Chrome Browser. and advance system care. I have run every malware scanner I can find and all the rootkit scanners as well. Nothing seems to be able to find this thing. ...
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4answers
132 views

How does badBIOS jumps airgaps? [closed]

I was reading this article from Ars on badBIOS and came across this line which states the malware, has the ability to use high-frequency transmissions passed between computer speakers and ...
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4answers
2k views

Am I attacked or just stupid?

I run a server using Debian Squeeze with several OpenVZ containers. The containers run mostly Squeeze, some Lenny, and some already updated to Wheezy. The host doesn't do that much beyond iptables and ...
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1answer
4k views

How to find out if my MBR is infected?

I imagine that bootkits and other malware can install themselves in the MBR and be invisible to antivirus software running after the MBR was executed. Is there any way to execute an antivirus scan on ...
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3answers
3k views

“autorun.inf” autogenerated in each drive generates EXE and PIF files in Windows CP [duplicate]

I have Windows XP SP2 installed on my laptop, its been infected by a virus, which creates autorun.inf in each of my drives as read-only, hidden and system file attribute being set, and which generates ...
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1answer
244 views

Need guidance in understanding rkhunter results

Today, I performed a system wide scan for rootkits using the rkhunter --check command. All results were ok, with the exception of a warning: [10:14:30] Warning: The command '/usr/bin/unhide.rb' has ...
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1answer
2k views

EFI partition malware?

I have a 2011 Macbook Pro, running 10.8.2 and was worried that the laptop may have been tampered with while left unattended for a few days while abroad in Asia. I have mounted my EFI partition using: ...
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1answer
3k views

If I connect a USB drive to a PC with a rootkit, will the USB drive be infected as well? [closed]

I'd like to know if I run the risk of infecting a pendrive if I connect it to a PC with a rootkitted hard disk. Let's say I have a PC infected with the TDSS rootkit, and I run tdsskiller from a USB ...
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2answers
438 views

How do I remove a root kit from Windows XP? [duplicate]

Possible Duplicate: How do I get rid of malicious spyware, malware, viruses or rootkits from my PC? I was looking for root kits following these instructions http://computersight.com/software/how-...
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1answer
2k views

Remove or Disable MBR from old C:\ Drive

Using a USB to Sata connection from an old XP box, is it possible to remove/disable the MBR\boot sector on a drive pulled from a Win7 box? C: - I can see the drive and folders and such on my XP box, ...
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1answer
3k views

No internet connection on laptop

I'm trying to recover from a rootkit infection, where I am unable to connect to the internet. When I try to ping the router this is the output: Pinging 192.168.1.254 with 32 bytes of data: Reply ...
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1answer
1k views

My computer gives a known virus warning and reboots

"Windows must now restart because the Plug and Play service terminated unexpectedly." "Windows must now restart becasue the DCOM Server Process launcher service terminated unexpectedly." ...
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1answer
923 views

Unknown undeleteable, unformattable partition

I had two partitions on my hard drive labeled as unknown in gParted that showed up out of nowhere. I use 3 OS's on my computer, Windows which I just recently deleted, Backtrack5, and Ubuntu 12.04 ...
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is it possible to monitor dll injection events on Windows, such as to detect user mode rootkits?

wikipedia article's section on user mode rootkits is not quite clear about the mechanism of injecting code into running processes. Does this take advantage of normal OS functionality and so could be (...
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2answers
37k views

what does it mean for MalwareBytes to find malicious registry keys but nothing else?

I have a machine that is obviously infected, and when I ran MalwareBytes it told me that it found some "malicious" registry keys (surprisingly enough these contained file path to currently non-...
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2answers
574 views

rogue process consumes too much memory in linux

I was going through the output of top when i saw a process listed as pine -i I don't have pine in my system ! Then i got into proc and did a `ls -l /proc/9827/exe` 9827 is the process id. It ...
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1answer
195 views

Can signature verification expose a rootkit?

I know that rootkits operate as part of the kernel, driver or service running on the system, injecting themself into DLLs or installing as a legitimate applications. If I were to scan the system with ...
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1answer
781 views

Deleting content in swap space and emptying cache using terminal in linux

Wish a script which would delete cache content and remove additional files which have been downloaded via the internet and saved voluntarily by the user and files any thing other than those used by ...
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7answers
25k views

My webcam just came on “out of the blue”

I have a Microsoft LifeCam HD sitting atop my monitor. Today, completely out of the blue, its light came on -- I was simply browsing the web (in Chrome) when it happened. After about 5 minutes the ...
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3answers
4k views

rootkit: Avast says it deletes it, but it detects it every time I boot up. How do I get rid of this?

After cleaning up the majority of my malware infestation with Process Explorer and Autoruns I am relying on Avast antivirus to clean up the rest. It continues to find a rootkit described as follows: ...
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2answers
608 views

Examples of usable rootkits

I'm trying to learn more about rootkits and was hoping to take one and let it loose in a virtual environment. Does anyone know of a rootkit currently available that I can safely use to do this, and ...
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1answer
223 views

Reality of a Windows Vista “recovery disk” virus?

I recently borrowed a disk from a guy I don't really know. It was a Windows Vista install disk (lost my old one, and needed to reformat). The disk was a copy of the original, and I was wondering how ...
4
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4answers
945 views

Strange phishing attack?

When I login to wachovia/wells fargo/amazon/paypal , no matter the user/pass that I insert, i get a "we need to verify your information" page where they ask me everything, from the atm pin to my ssn ...
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1answer
8k views

Windows-7 system files integrity

Is there a tool that will check integrity of system files in Win7 and search for invalid or changed ones. I would like to find which files were changed by rootkit installed on system. It would be nice ...