All Questions
14 questions
1
vote
1
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3k
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If a file has previously been scanned by VirusTotal, will the VirusTotal website always indicate this fact?
I recently downloaded a very popular open-source application. Usually, I compile open-source applications myself after reading the source code. But my compiler box was busy with many tasks, so I ...
- 3,174
4
votes
3
answers
14k
views
Gmail warns about encrypted PDF file
I recently received a PDF file that, when attached to a gmail message, causes a warning to be displayed as follows:
Encrypted attachment warning – Be careful with this attachment. This message ...
0
votes
1
answer
409
views
How to check big video file if can't check it entirely?
There size limit on VirusTotal, some videos are very big. What if cut off part from the video and send part of it. Is it possible? What part of it, where malware can be?
- 225
3
votes
1
answer
232
views
Verifying Host Sterility After Running Malware Tests on Virtual Machine
I know that "VM escape" is becoming a common issue now with malware testing. I'm just wondering if there's any way of verifying if the host system is clean from any infection after running a malware ...
- 33
1
vote
2
answers
199
views
What is the recommanded periodicity for antivirus RAM and disk scans?
Antivirus scans consumes resources, and far more when the full disk or RAM is scanned. Anyway, files are scanned before opening and often when they enter the system, so periodic scans on this point of ...
- 617
0
votes
1
answer
2k
views
Virustotal detecting threats in Suricata rule set
Virustotal scans are detecting threats from the Suricata default rule pack located https://rules.emergingthreats.net/open/suricata-4.0/
Is this a false positive?
https://www.virustotal.com/#/file/...
- 1
1
vote
1
answer
122
views
Downloaded MailMergePro file seems to have virus attached
I downloaded MailMerge Pro from http://www.standss.com/emailmerge/download_process.asp website and i scanned it on VirusTotal.com and two of the antivirus flagged it.
I am sharing the link for same, i ...
- 153
0
votes
2
answers
138
views
Scan for a specific virus type?
Is it possible to tell an antivirus which specific virus type (worm, macro etc) to scan for? Assuming I know the type of virus and just want to save time and scan for it specifically instead of ...
0
votes
1
answer
554
views
Symantc Endpoint protection keeps detecting clean file as risk
I downloaded some files from website using FTP and these websites have been developed using .net and any .dll file is flagged as Risk by our Antivirus.
our IT Made some changes to antivirus on my ...
- 153
0
votes
1
answer
150
views
How to know if locally installed programs (like Re Image) are malware
Not sure where to ask this question but figured I'd ask it here, at least in a generic way. I installed a program called Re Image as I red it helps with system instability problems. However, I then ...
- 10.2k
5
votes
1
answer
421
views
Is there a need to scan images with real-time scanners anymore?
Historically, there were some exploits for certain types of image files, notably JPEG images. Consequently, many real-time malware scanners (antivirus included) started scanning every JPEG image (as ...
- 3,174
16
votes
4
answers
14k
views
Can I block viruses from a USB stick by scanning it before opening its folder?
I inserted my USB stick into a friend's PC which was full of viruses, malwares and adwares. Therefore I suppose they attacked my USB device as well. Now I want to use my USB device on my PC without ...
- 481
4
votes
1
answer
217
views
Thorough computer scan
I'd like to give my computer an overall deep scan against all kinds of malware.
I was infected about a year ago and I feel like there may still be some hidden rootkit on my HDD or something like that....
- 99
3
votes
3
answers
455
views
Is there a more precise approach to generate signatures for ClamAV, than regex signatures?
Actually I generate signatures from libraries, to scan executables for beeing statically linked to that library. My actual approach is to read out the .text section and generate a byte sequence for ...
- 207