-1
votes
1answer
114 views

How can we find out the fully undetectable virus and kill it in our computer? [duplicate]

As I know, most hacker can crypt the virus to bypass all antivirus. Even famous antivirus like kaspersky and avast doesn't know it. So, is there a good way to find out the FUD virus and protect from ...
2
votes
2answers
237 views

Are there any logic-bombs that execute when the file is deleted?

I want to delete a suspected malicious file from a server. For the purposes of this question assume that the infected machine is Windows Server 2003 or later. Is there any risk in deleting such a ...
0
votes
1answer
136 views

Unknown Website Linking to my Local Files?

I recently discovered a website that I am in no way affiliated with linking to the files of my local website stored on an external hard drive. This unknown website is actually executing the scripts, ...
1
vote
0answers
140 views

Problem with qgankgyefx..vbe virus

I am not sure if I am in right forum. But i am having problem with this virus. On affected computer, If we use a USB drive, all the file become hidden. I am using HFV.exe for retrieve all data in ...
0
votes
1answer
78 views

Self-changing javascript characters in text editors

On Windows Server 2008-R2, certain javascript files are exhibiting the same behavior. Text can be copied from other files and pasted into new ones. In both NotePad++ and Windows' default notepad, ...
0
votes
3answers
699 views

Prevention against Cryptolocker virus by requesting password for all installing apps in Windows 7

Is it possible to protect Windows like Linux? I mean, I have Ubuntu installed on my laptop and when some program wants to install something etc. the pop up shows up and I need to type the password. ...
8
votes
3answers
503 views

Can I use the same keyboard on both my infected and non-infected computers?

I have a computer which is virus infected. Can I use the same keyboard on both it and a "safe/clean" computer without fear? Keyboards these days seem to come with built in software and thus must ...
4
votes
3answers
490 views

Virus with PGP Encryption Preventing Virus Scan

A user reported having a virus that was causing pop up windows asking for money. When he turned on his laptop and logged into PGP encryption (whole disk) the desktop quickly showed but then a white ...
3
votes
4answers
622 views

Is it possible to catch a virus on my LAN without clicking on anything?

My unpatched PC running Windows is connected to a network which contains other "infected" computers, can I get infected by viruses without any interaction on my part?
0
votes
1answer
518 views

csrss.exe process

I've experienced some odd behavior lately (cookies being cleared in Firefox, forcing me to log in again). Antivirus scans (MS Security Essentials, MalwareBytes) aren't showing anything, but Process ...
-1
votes
1answer
133 views

Windows “Send to compressed file” creates an image? [closed]

One of my friends windows laptops (which I don't have access to right now) has in the recent past had a virus (where .doc files were converted to .exe files) which we dealt with. Now when she ...
5
votes
5answers
1k views

Windows 2003 Enterprise infected by Conficker; post-infection problems continue

I used various tools to remove Conficker, and I pretty much succeeded, but I've had recurring problems afterward. It won't update anymore (with the following error message: 0x800706B5) I tried ...
1
vote
3answers
214 views

How isolated are 2 operating systems on 1 harddisk?

Lets say I have 2 windows dual booting on the same harddrive (windws 7), How isolated are they? I am thinking that there should be up to date antiviruses software on both Windows, and they should be ...
17
votes
7answers
739 views

How to deal with a person who gets easily fooled by internet and mail scams?

alternative title: How to deal with a person who has gotten paranoid and doesn't want to go online anymore? A person, who has over the years been scammed many times, by bad spam/fraud emails, and ...
2
votes
3answers
139 views

Is possible to know if increased marketshare means more viruses?

I'm having an argument with other developers about why more "viruses" exist (including all forms of external attacks, exploits, etc) in Android vs iOS. Like with Windows vs *nix, the main idea is that ...
5
votes
6answers
599 views

How can a novice find proof of a system compromise?

I am almost certain a colleague has installed a keylogger on my system. I am totally new to IT security, but have substantial linux / windows / programming experience. The system I believe is ...
3
votes
1answer
202 views

Potential services.exe infected file?

I was asked by a coworker to help solve a problem with a remote client site through VNC. Immediately after connecting I've started noticing some strange behaviors that I am lead more and more to ...
2
votes
4answers
478 views

Virus won't be picked up by Antivirus tools

Today we found a virus / trojan on our network which has thus far: Hidden all files and folders Replaced the hidden files and folders with executables of itself, with matching icons, and renamed ...
2
votes
2answers
8k views

How does Remote Access Trojan / Backdoor Software work?

How does the RAT works? I understand it as once we surf the infected website, browser might download the trojan to our PC automatically. Will it executed and auto install in our computer? I can't ...
6
votes
4answers
463 views

Would running VMs inside of VMs be a more secure way to study viruses, etc?

I was reading this post on SuperUser, and it made me wonder about security. I've read somewhere else that some viruses/malware/whatever CAN break outside of a VM... and then infect the host OS. BUT, ...
-2
votes
2answers
241 views

Will winlock virus really delete information after 12 hours? [closed]

I've got virus which tells that all data will be deleted after 12 hours. I cleaned autorun and now scaning my computer with anti-virus, but still is this message just to scary people or is this virus ...
2
votes
3answers
1k views

How can winlock virus change Windows Registry without admin permission?

When you try to install program you'll always asked about administrator permission. Same thing when you try to user 'regedit' command. So I'm interested in how does this virus works. How can it edit ...
1
vote
0answers
147 views

Hidden Registry Strings - possible rootkit? [closed]

Win server 2003 R2 SP2 - no noticeable issues on the machine. When I create new strings in regedit, I hit refresh and they are gone! I try to re-add and it complains the string already exists. I am ...
3
votes
2answers
243 views

ltd.exe, “Vista Antivirus Security 2012”, any info?

I was taking a look at someone's computer who had a virus. It called itself "Visa Antivirus Security 2012". It turned out to be ltd.exe. It would seemingly randomly block programs, it turns out it had ...
0
votes
1answer
360 views

Iframe hack / done through FTP?

On two websites which I host for a friend, I found that there is an iframe at the bottom of each site's index.htm file. <iframe src="http://www.kunstsalen.dk" width=1 height=1 style="visibility: ...
6
votes
3answers
669 views

How effective is something like Deep Freeze against boot sector infections?

I work for an embedded system manufacturer and on our older generation systems, which are powered by Windows Embedded, a number of customers have been experiencing virus infections. Due to the real ...
8
votes
3answers
2k views

Am I protected from USB autorun malware on Windows 7?

As far as I know, the autorun.inf problem (the possibility of automatically executing code when a USB stick is plugged in) was solved through Windows Updates for XP, and on 7 it is no longer possible ...
2
votes
3answers
396 views

How do I ensure that my computer is 100% worm-free?

Ok say I have a brand new laptop that was is brand new. Is it true to say that as long as I keep the bluetooth turned off, and I am not connected to the internet, and only copy files that are 100% ...
11
votes
7answers
2k views

Can viruses actually inject their code in other processes?

Can a virus really inject its own code into a process so it stays on your computer permantly? The only way to actually remove it is to reinstall your OS. My question is how can it do that without ...
8
votes
4answers
769 views

Is disabling auto-run enough to protect against malicious code from removable media automatically infecting a machine?

If I block auto-run on a windows machine, is this enough to protect it from malicious code (assuming I don't run any files manually)? Or are there known vulnerabilities that may cause infection?