A software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer.

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1answer
29 views

Multiple instance of rundll32.exe found, but what are they doing ? Suspious?

I recently found there are always two instance of rundll32.exe running on my computer. I was able to retrieve info about modules that are using them, but what are these modules? Am I infected by a ...
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0answers
18 views

I can't quit Google Chrome because of Chrome pop-ups [duplicate]

I think that this has something to do with MacKeeper because my computer and Chrome always worked fine before I accidentally installed it not knowing what I was doing. I can't delete MacKeeper and ...
0
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0answers
18 views

How to remove luckysearches.com? [duplicate]

I accidentally opened an unknown sofware installer out of sandbox and kaboom! It installed lots of useless adware most of which was easy to remove, but even after following the uninstall instructions ...
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2answers
21 views

How could an old worm infect my computer on VMWare?

My current computer is on Windows 8.1, and using Norton. I've started to gain interest in old viruses, and therefor I've created an virtual machine using a software called VMWare (Workstation 11) ...
0
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1answer
27 views

Got ransomware and Shadow explorer dont work

I got infected by the CTB Locker and probably I have removed the virus itself. But the files all got polluted. I tried to use shadow explorer but it shows all blank in CDEF any drives and got no dates ...
0
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1answer
21 views

Can Chrome extensions install other?

Is it real, that current installed in browser Chrome extensions can install other? Or all extensions from Google Store are safe, and cant contain viruses?
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1answer
37 views

Can Windows Viruses/malwares infect mac osx if installed through Wine?

I am relatively new to OSX in general, I started using it two weeks only, the app Wineskin (a.k.a Wine in Linux environment) is used to run a Windows application inside osx by creating the correct ...
2
votes
1answer
69 views

My home IP (supposedly) was involved in a DDoS attack

There did not seem to be any SO community dedicated to computer security, so I'll ask here... As the title implies, my home IP (supposedly) was involved in a DDoS attack. I got a phone call from a ...
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1answer
53 views

Virus changed folder to executable

I loaned my flash drive to someone who used said drive on a Windows machine infected with a virus. My flash drive subsequently got infected with a virus that changes folders to executables. Research ...
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1answer
37 views

Possible to get a virus from just visiting a website? [duplicate]

This has been something that has been on my mind for quite some time now. I have some experience with Javascript and know that it has a function that can store files on a user's computer. My question ...
0
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1answer
42 views

How do I access the internet with an infected computer that WILL NOT let me? [duplicate]

Im trying to fix my friends Toshiba laptop. She has Windows 7, no anti-virus and is infected with a virus. The computer shows no connection problems; but I cannot access the internet or download a ...
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1answer
36 views

Malicious ads show on every site [duplicate]

Yesterday my brother's computer was showing ads on almost every site, the same ads in the bottom right corner with a black close button. Today, my computer started showing them. I use the same network ...
0
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1answer
39 views

CasperJS and “extensafree” virus

Today when i booted up my computer and when windows had loaded, Notepad++ opened which had the following file loaded into it: Set shell = WScript.CreateObject("WScript.Shell") ...
7
votes
2answers
938 views

Is there any way to prevent a USB flash drive from being written to? [duplicate]

I see lots of articles about preventing a specific computer from writing to a USB flash drive or preventing malware from getting from a USB flash drive to a computer; what I can’t find anything for is ...
0
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0answers
47 views

Nasty virus won't go away [duplicate]

I have windows 10 technical preview installed. I was looking for pdf to excel orc converter and I downloaded a software which I believe infected my pc. on chrome whenever I click on a url which is ...
0
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2answers
58 views

Ensure nothing is on an SD card after main system it was on was infected by CTB-Locker

My parent’s computer—which is running Windows 7—got infected by CTB-Locker, an SD card was attached too so it got corrupted as well. I want to remove everything from the SD card, does a simple format ...
0
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1answer
105 views

Adult websites open on visiting any website in my chrome [duplicate]

Since, past few days, an adult website opens on visiting any website in Google Chrome. I have re-installed my chrome, and ever reset my chrome settings. Is their any option to prevent this virus? I ...
0
votes
1answer
27 views

Wi-Fi adapter in a Dell Inspiron keeps disconnecting

I’m using a Dell Inspiron and the Wi-Fi adapter keeps on disconnecting, it allows me to connect using ethernet. I know that it isn’t disabling since it isn’t turned off, it doesn’t even give me the ...
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0answers
17 views

removing an extention that is “installed by enterprise services” on chrome that I can't find in regedit

The name says it all. I have something that is most likely a virus, having appeared as an extension at the same time a child managed to copy a virus to my computer. The extension claims to be ...
0
votes
1answer
60 views

How do I stop chrome from redirecting me due to malicious software [duplicate]

When I click some links in chrome (trusted websites), I get redirected to 'spam' websites that say "your computer has viruses" or something stupid like that. How do I stop it from doing this? I have ...
0
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2answers
61 views

How does HDD firmware espionage software work [closed]

NSA's most recent addition to modern espionage is some type of HDD firmware, as found by Kaspersky and later reported by Reuters, Ars Technica and others. But I don't get how it functions: Does it ...
0
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0answers
35 views

Mouse does not work if Internet is not connected and it’s laggy when it is connected

If I try to use my PC (Windows 8.1 Pro) without Internet access—such as removing the Ethernet cable—then the mouse and keyboard stop working. I noticed this on the same day that the mouse began ...
0
votes
1answer
45 views

how to open encrypted files [duplicate]

i got a virus,CryptoLocker, few weeks ago, and i managed to eliminate it, but all files on my pc are now encrypted, and they have got this extension, for example nameFile.docx.imivxjj when i try to ...
0
votes
1answer
54 views

Does marking files as readonly make them secure?

In Windows (or any OS, really), does marking a file as "Readonly" make it less susceptible to malware and unwanted manipulation? Additionally, should I still scan readonly files for viruses and other ...
0
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1answer
55 views

Automatic password reset prompt on Windows 7?

My wife just told me that earlier today she received a prompt on her laptop to change her password, and complied with the request. Her laptop is running a vanilla install of Windows 7, 64-bit. All ...
3
votes
1answer
315 views

Unknown linux process with random command

I have a unknown process when I run top: When I kill the process it is coming again with another random name. when I check the rc.d levels and init.d there are many random name similar like this ...
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votes
6answers
209 views

Computer infected by adware that my antivirus hasn't picked up

I've recently noticed that my browser (Google Chrome) occasionally opens two new tabs on its own seemingly randomly. The two tabs display the same page- supposedly offering some BT broadband 2015 ...
2
votes
0answers
29 views

Does Keepass protect passwords from malicious software like viruses?

If a computer got infected with a virus or a trojan and the user interacted with Keepass, is there a chance that the malicious software would be able to get the password database? In other words: ...
3
votes
0answers
28 views

which virus is responsible for files in the USB goes to hidden? [closed]

which virus is responsible for files in the USB goes to hidden? which antivirus can detect that virus? http://en.wikipedia.org/wiki/Computer_virus
0
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0answers
118 views

How to remove deal peak virus? [duplicate]

I have a computer that is kinda stumping me. It has something that has hijacked the browser with ads by dealpeak. I have checked browser extensions, hosts files, proxy servers, scanned with ...
0
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0answers
31 views

Recommended to Update Flash Player Virus [duplicate]

I keep getting this popup on my Internet Browser that tells me "It is recommended that you update Flash Player to view this site..." And it will redirect me to some very suspicious-looking website ...
0
votes
1answer
834 views

Asus Windows 8 Computer black screen and cursor

Yesterday my friend sent me a link and I clicked on the link. The computer gave me a warning about it being harmful but since it always does that I allowed it to open the link anyway. The link was ...
1
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1answer
61 views

After formatting External Harddrive, Why do hidden OS folders $RECYCLE.BIN, System Volume Information get created

My antivirus ESET Nod 32 was flagging up a virus found in my C:/$Recycle.bin folder, after reinstalling fresh OS I decided to store some things on an external Harddrive and dumped to another PC. My ...
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1answer
502 views

Computer keeps stuttering every few seconds

Recently my computer has started freezing while making weird sounds while playing videos. This happens on all kind of videos; from youtube to live streams. It happens around once every five seconds. ...
0
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1answer
58 views

Recommended value for NoDriveTypeAutorun? [closed]

The AutoRun feature of Windows can be controlled through the Registry by tweaking these values: Current User: ...
0
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0answers
75 views

0% of network usage on task manager

I am downloading a game from Steam and loading a HD video on Youtube, download rate is about 10Mbps, as it says at the Performance tab for Wireless on the Task Manager, but when I go to the Processes ...
0
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0answers
80 views

Explorer.exe connecting to IP addresses

I run Comodo on Windows 7, and within the last couple of days, I notive that explorer.exe is trying to connect to port 80 on the following IP addresses: 23.199.200.154 5.196.196.149 185.48.59.20 ...
0
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1answer
212 views

Trojan au_.exe - how to get rid of it [duplicate]

I installed the popular software 'Synthesia' from its official website. It is a program for piano transcriptions. It has always been safe. I decided to uninstall it and as soon as I uninstalled it, a ...
0
votes
1answer
354 views

cmd.exe error windows 7 the application was unable to start correctly (0xc0000142). Click ok to close the application

when i try to open the cmd.exe. a box pops up with the message of cmd.exe error windows 7 the application was unable to start correctly (0xc0000142). Click ok to close the application. my pc was ...
0
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1answer
37 views

Opening a flash disk using command line to avoid getting virus

Could my PC get a virus from a USB flash drive or external hard drive without opening that drive? So if we do our work from command line (such as xcopy, del, rmdir, ...) without opening any folder on ...
0
votes
3answers
95 views

Drive shows Nothing but full

My External Hard drive have been infected with virus. the thing is its supposed to be 500GB but it shows it only have 2.56gb left out of 465GB. Now I have showed hidden files and found the black ...
1
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2answers
30 views

How do I delete files that are locked when no other app can delete them?

So I found out that I had a Trojan on my external hard drive. My anti-virus app killed it, but it has created a bunch of random files on my computer which cannot be deleted. These are image files. ...
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votes
1answer
59 views

Folder being created in C:\ProgramData called GufeSoman. Keeps coming back?

It has been brought to my attention by my antivirus that a certain file is a dangerous trojan. I removed it. However, the folder (GufeSoman) keeps recreating itself whenever I delete it. I have found ...
0
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2answers
33 views

Hard drive failure with notification to install matrix console [duplicate]

My wife's computer has suddenly popped up with a notification saying her hard may fail soon. Shortly after a program called Intel matrix storage console asked permission to download. My question is; ...
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2answers
145 views

How to stop windows explorer from taking up 70 percent of CPU?

So when I start up my computer, (windows 7), I always run task manager to kill any buggy programs if they occur. About a week ago, when I did so, I noticed that Explorer.exe was taking up 70 percent ...
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votes
1answer
107 views

Botnet/Virus Removal? [duplicate]

I am not sure what type of virus I have on my computer, and I am not sure if this is the right site to ask this type of question on, but here it goes: About a month ago I downloaded something i ...
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0answers
37 views

Has my laptop been infected by APR virus?

Recently, I have experienced high latency on my home network. So I downloaded an APR monitor to see whether there were some problems. After some time, I found a MAC address, which sent lots of ...
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0answers
91 views

Manipulating firmware of USB flash drives

As far as you may know, about four month ago, a new malware-like program found that was infected USB device's firmwares. (Take a look here) I want to know, how it is possible to read and modify ...
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2answers
38 views

Mysterious folders and files with symbol names on Windows 7

I opened a thumbnail drive last evening and noticed that there were several files and folders with symbolic names (not alpha-numeric) added to it. The Date modified was also a curiosity. I have run ...
4
votes
1answer
136 views

Can an infected Android or iOS phone infect a PC running Windows?

I realize that any .apk may not run on Windows via anything other than an emulator, but my instructor insists that it can. Here are my objections: Can I infect the computers at school with my ...