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1answer
20 views

A malware in Mozilla, An URL opens automatically?

Some times when I open a site in Mozilla, a URL that starts with vadabzauefrpph4xraz8ewblhsbsbxkfq7sx8d9me4nuemgnx2yt5cnyfzzlxek.com will replace with the site's URL, What should I do to solve this ...
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1answer
263 views

How do I scan Firefox on Ubuntu Linux for malicious JavaScripts?

I run Ubuntu Linux in a VirtualBox VM. I was browsing using Firefox, and I always use Adblock Plus with default configuration (EasyList) and NoScript. Then my VM lagged(mouse badly out of sync with ...
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1answer
129 views

How to detect unwanted Firefox add-ons?

I have a Firefox add-on that seems to inject ads on the top of the pages when I'm using search engines. For example, for a search on hard drive on Google.com, I have this banner on top: You may ...
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0answers
81 views

Is this a ransomware?

I just got this window on my main computer: Apparently, it's from Windows. I checked, the process EXE file is the original one (efsui.exe or something like that). But the thing is, I don't use EFS (...
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0answers
67 views

How to protect Linux from Ransomware by detecting mass changes?

I wonder if it would be possible to stop running ransomware on a Linux system by detecting mass changes on files. Can watchdog or entr or inotifywait be used to detect bulk file changes and stop what ...
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0answers
59 views

Preventing ransomware attacks by detecting suspicious levels of file system activity

Assume a Windows 8/10 home/small office system with 3-4 users and a few TB of file share (say 6TB in a suitable RAID). Most files are static, but sometimes files get moved round or modified. But if ...
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0answers
890 views

Detect and remove malicious malware chrome extension that opens many tabs with ads

I observed throughout the day yesterday three episodes where my processor gets hijacked for a minute and the memory gets maxed out (12 gigs). The culprit was a seemingly infinite number of tabs being ...
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36 views

Unable to send email error message in Yahoo webmail client: suspicious of fraud

When I was trying to send an email using Yahoo webmail client opened in Chrome, I kept getting a small rectangular box with a red border containing the error message "Unable to send email" beneath the ...
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0answers
79 views

Cuckoo Sandbox Sample Reports

I am trying to find some Cuckoo Sandbox sample output reports.. I started with malwr.com, the problem is that I can't scrape the website because I can't it uses javascript to fill in the parts I want ...
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35 views

How to prevent sotware installation in Windows10 w/o asking machine password

Recently I upgraded to Windows10 and my brother did some downloading of books which brought some malwares too like mystarsearch engine, AnyProtect etc... Even after un-installing from Contol Panel it ...
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38 views

Can IDA pro detect packing/unpacking in Windows?

I am going to purchase IDA pro SDK for my research on botnet detection. Beside system calls I need to monitor packing and unpacking of new botnets. Does IDA pro detect packing/unpacking in Windows?
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177 views

how to detect and eliminate suspicious activity on the computer

I have a particularly weird problem on my Windows 7 desktop pc running on an Intel CPU with a Gigabyte motherboard and CorsAir smps. Here are a few observations which might be connected to the bigger ...
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46 views

How does one know a DLL is actually safe to use?

I've downloaded a certain DLL from the web and then uploaded it to Jotti's virus scan. All of those engines reported Found nothing. Nothing. Can there still be some sort of security issue with this ...
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0answers
72 views

4GB temporary system files showing up on desktop for no understandable reason

There are 4GB temporary system files called "BITEA#.tmp" e.g. BITEA5.tmp showing up on my Desktop folder just this last week. Does anyone know if this may be caused by malware recording screen or ...
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1k views

Security Essentials (SE) hangs while scanning ProgramData folder

First I did a complete scan on C:\ and kept getting (after about 1.5M files scanned, which is at the end of the C:\ProgramData folder or the beginning of the C:\Recovery folder) Then, after ...