0
votes
0answers
9 views

command executed when a folder is opened [migrated]

once a wise man told to me that every folder contains a file autorun.inf (not sure about the name but properties are same as autorun.inf) and he changes the codes of the file to execute a batch ...
-2
votes
0answers
14 views

Can ping the ip-Address but not the site and neither browse to it [migrated]

Due to some malware or virus, I was unable to connect to any site while the connection showed "Internet Access". On experimenting, I found that I was able to ping the I.P. address of google. But when ...
1
vote
2answers
66 views

Verifying integrity of text files

While I was away from my home I needed to do some work on a java program so I booted a friends netbook(windows 8) I had with me and finished most of the works I needed to do there. Tho when I returned ...
3
votes
2answers
79 views

Can viewing an email message in Outlook 2013 install malware on my computer?

I routinely get spam messages which state "Your account for [Insert game here] has been flagged. If you don't click this link/send us this info/go to this website in the next 72 hours, your account ...
1
vote
1answer
62 views

Malware threats from other mounted hard drives

I am going to install Linux on an external hard drive and my internal hard drive is currently running Windows. When I boot to my Linux and I still have my windows hard drive mounted is it possible for ...
0
votes
2answers
115 views

Is anti virus software supposed to clean up registry entries made by malware?

I just cleaned up a virus infection on my computer (running windows) by running an Anti Virus Scan. The malicious executable files are now deleted. However, the registry entries made by it remain. ...
1
vote
2answers
226 views

Can I get a malware on Windows without administrative rights?

I'm a Linux user and I installed Windows recently, I need it for some software. I don't want to use any anti-malware programs, I don't plan on giving administrative rights to applications I don't ...
0
votes
1answer
107 views

Java Drive By & Stub - Explanation [closed]

I have been trying to make some extensions for chrome lately to block some unwanted stuff. I have also been searching for quite some time to find what a JDB does.So , the applet downloads a file , ...
1
vote
5answers
181 views

“Safe” public WiFi [duplicate]

Is there any danger of any of my computer's files being read or changed (mainly - infected by malware) in the following scenario (I'm using Windows 7): I have file sharing turned off (in "advanced ...
0
votes
1answer
104 views

One or two machines in a network have been compromised. How to proceed [duplicate]

Edit This post has been marked as duplicate. While I have read the referenced thread I see some differences in the descibed situation. My scenario below is a non-server home network with both machines ...
1
vote
1answer
123 views

Can a program change the shortcut location of a browser to itself without UAC (Admin) in Windows?

I was reading an article on .desktop files used to spread malware on Gnome and KDE. I just thought that the same could be applied to Windows. On Windows: Malware is disguised as a picture by ...
1
vote
1answer
96 views

Reliability of windows OS security for “program files” safe guard

I want to do inter process communication between Firefox (via extension) and my application. Both reside in "Program files" (of windows 7 OS). I also assume that malware is running in the system and ...
0
votes
3answers
501 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. ...
-6
votes
1answer
234 views

Do you recognise this suspicious folder: Malicious or Benign [closed]

Does anyone recognise this suspicious folder that sits on my C drive? The folder sits on my C drive at C:\cacde6d0fd849a939328ab\ The name obviously looks like a hash/encryption/or junk text. The ...
-4
votes
1answer
243 views

How to prevent malware infection and file accessibility through a wireless router? [duplicate]

The answer suggested in the 'duplicate' is about a different issue. But since my original wording of the question seems to have not been clear - here's a second attempt: Is there any danger of any of ...
2
votes
2answers
616 views

Is this a valid Windows update page

In my chrome browser if I google for Windows Update the first hit is windowsupdate.microsoft.com/‎ When I click on it I am redirected to ...
28
votes
2answers
6k views

How secure is the Windows 8 included Anti Virus known as Windows Defender?

How secure is the new Windows 8 anti virus known as Windows Defender? Does it have a protection against malware which uses UAC bypass/process injection/rootkits/process persistence/running the binary ...
-1
votes
2answers
230 views

My Computer hacked?

I have Window 7 and believe it has been hacked. On two occasions, as I was reloading my operating system, I got a message that my computer had been counterfeited. I get the impression that my computer ...
2
votes
3answers
421 views

does switching to linux remove existing computer virus

if you change from a malware/spyware infected windows setup to a linux setup will infections migrate to linux if they were on the computer? (when you are hacked/infected is it the op system that is ...
1
vote
2answers
2k views

Does Chrome OS Allow Executable Files?

My company has some real security issues and I am wondering if using Chrome OS can be some solution to my problem. Typical Windows computers seems all to vulnerable to attacks from malicious images ...
6
votes
6answers
1k views

Using linux to combat windows flash drive malware?

I just put an old flash drive which i used with a windows machine into my linux. I noticed many files, mostly exes which were never visible in windows (my windows does not hide hidden files and ...
0
votes
2answers
176 views

No where to run, no where to hide - suggestions to improve personal security needed

I think that as a windows user, I have no where to run and no where to hide. In the windows world no matter how many precautions I take, I can get infected by - 1 - Drive by on legal and popular ...
24
votes
3answers
2k views

Stack Overflow is www.doioig.gov/? If not, then could I be infected

Great! I made a post recently where I mentioned that my system might be infected. Now something new came up. When I search for Stack Overflow on Google, I see that the URL is www.doioig.gov/. When I ...
0
votes
2answers
1k views

Regedit shows strange chinese characters in my system - should I be worried?

I suspect that my system has been hacked into. I see huge drops in free hard disk space for a while and then the space returns to near old values. A few days ago, when i clicked 'my computer', i saw ...
0
votes
2answers
172 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
6answers
581 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 ...
3
votes
2answers
140 views

DPAPI and malware

I'm considering using the Windows DPAPI to protect an ECDH key I use to encrypt some data in a local database in a Windows desktop application. I'm new to DPAPI, but its my understanding that DPAPI ...
1
vote
3answers
12k views

Multiple running instances of rundll32.exe

I've noticed that in the Task Manager of Windows 7, I have multiple running instances (2) of rundll32.exe. Does this necessarily means that my machine is infected by a malware as noted here: ...
2
votes
3answers
517 views

Strange file named Aview.exe - WinClient

Today I've just discovered some strange files on my Win 7 PC. I was browsing through the Windows Firewall Inbound Rules and saw two ACCEPT rules for a program, Aview.exe. It is located in ...
0
votes
1answer
99 views

How does duqu implement its dll files in PNF file format?

As you know files with PNF extension are associated with bitmap file type, from technically point of view how did authors of duqu implement this? as I concluded it is possible to make dlls in any ...
5
votes
2answers
1k views

How would I go about rebuilding the IAT of a packed executable?

When executables are packed with a tool such as UPX, the real code and data sections are encrypted or obfuscated, then loaded into memory using an injected decrypter stub. This makes static analysis ...
2
votes
2answers
248 views

How does duqu delete itself?

I'm curious to know how Duqu deletes itself. From technical point of view and generally, how can an executable delete itself while is running? Does Duqu use a specific procedure to do this?
8
votes
1answer
2k views

Detecting reflective DLL injection

In the past few years, malware (and some pen-test tools like Metasploit's meterpreter payload) have begun to use reflective DLL injection (PDF) to load a DLL into the memory of a process. The benefit ...
4
votes
1answer
361 views

Is Window's system restoration useful for getting rid of malware?

If your computer has been infected with some kind of malware, could a restoration of the system, using the tool provided by windows, help you getting rid of that malware? We should suppose that it ...
7
votes
3answers
3k views

How to manage admin rights for helpdesk staff?

My question is about issuing administrative rights to helpdesk staff in a large Active Directory setting. Helpdesk staff commonly require administrative rights to provide support for end users. I ...
2
votes
2answers
7k 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 ...
5
votes
2answers
5k views

Can Keyloggers get passwords from Windows 7/8 Logon Screen?

If yes, do you know some examples of Keyloggers capable of perform this? EDIT: I mean when logon in the windows right after power on the PC and/or when locked with Win+L.
-1
votes
3answers
240 views

How to find & remove twitter spambot?

Sometimes i can see that i've "retweeted" some tweets , that i actually didn't. And all of them spam to some gaming & pharma websites. I've got windows 7 64bit, norton internet security , using ...
6
votes
4answers
440 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, ...
0
votes
1answer
273 views

Can the FiddlerCore library be used for Malware (e.g. MitM attacks)?

I've used the excellent Fiddler web debugging software before and have recently come across the Fiddler Core headless .NET library which gives you all the abilities of Fiddler in library form. It's ...
0
votes
2answers
94 views

Should a host based firewall have an API accessible to other applications?

Some people are hesitant to use Windows Firewall because it allows software to alter its state via an API. The benefit of this is that the Firewall configuration can be centrally manged in GPO. On ...
16
votes
3answers
650 views

Why do rootkits hide in drivers?

A lot of rootkits for Windows (maybe even Linux?) do hide in drivers. Why is that? One reason I can think of is that using a driver they run in kernel mode and have full system access, but aren't ...
1
vote
0answers
138 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 ...
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 ...
3
votes
2answers
167 views

Potentially unsafe files on second hard drive, how to get my files back?

I have my files on a second hard drive (disconnected for now). This drive was connected to a system infected with Virus:W32/Virut. I have formatted my main hard drive and reinstalled Windows XP. Now I ...
3
votes
2answers
174 views

What is multi-path malware?

I would like to know, in malware analysis, what is meant by "multi-path execution". I read this when I encounter the words in malware detection literature related to Control Flow Graph (CFG).
8
votes
4answers
415 views

Unknown malware, how to report it and whom to report it to?

I'm a professional Windows system administrator, but I've been caught off-guard (or maybe some malware writer has been very clever) and I caught some unknown malware on my home computer (Windows 7 x64 ...
13
votes
2answers
957 views

Can Windows malware harm a Linux computer when it's executed with Wine?

I am an (Ubuntu) Linux user. Sometimes, I have to use Wine for running Windows executables. I would like to know if Windows malware (virus, trojan, worm,...), i.e. malware that was not intended to ...
1
vote
1answer
450 views

Firefox Desktop Shortcut Being Renamed

On my Vista PC the Firefox shortcut icon is being randomly renamed. The name changes to some variation of a recently visited URL. This unwanted action has survived several version updates. Of course I ...
8
votes
4answers
724 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?