Virus in build 878

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Robert
Posts: 1024
Joined: Sat Sep 28, 2013 11:04 am
Location: Edinburgh, Scotland

Re: Virus in build 878

Post by Robert »

Robert wrote:So I decided to upgrade from 7 to 10, which was reasonably painless so far.
Too good to be true; Microsoft was waiting for me. After two weeks on the road I wanted to watch some catch-up TV tonight, only to discover Windows 10 does not recognise my sound card.

Scream!
User avatar
Robert
Posts: 1024
Joined: Sat Sep 28, 2013 11:04 am
Location: Edinburgh, Scotland

Re: Virus in build 878

Post by Robert »

cfbsoftware wrote:I'm currently trialling Microsoft's Windows Defender and have had no problems so far.
Windows Defender, on Windows 10, has just informed me that its deleted my copy of BlackBox.exe, build 694!

Its not the version I am using, but hey ... who needs this?
Zinn
Posts: 476
Joined: Tue Mar 25, 2014 5:56 pm
Location: Frankfurt am Main
Contact:

Re: Virus in build 878

Post by Zinn »

That is a big problem.

On the website https://www.virustotal.com/ find 5 from 58 scanner an virus.
See the result at
https://www.virustotal.com/en/file/827a ... 499033348/

What can we do?
- Helmut
cfbsoftware
Posts: 204
Joined: Wed Sep 18, 2013 10:06 pm
Contact:

Re: Virus in build 878

Post by cfbsoftware »

Zinn wrote:That is a big problem.

On the website https://www.virustotal.com/ find 5 from 58 scanner an virus.
See the result at
https://www.virustotal.com/en/file/827a ... 499033348/

What can we do?
- Helmut
Five alerts with four different results?? That sounds like false positives to me. If 90% of the scanners all found the same virus then we would really need to worry. I suspect that AVAST and AVG use the same / similar engine so I'm not surprised they were the only two that 'identified' the same 'threat'. Read the sections on false positives in the FAQ and About pages on the VirusTotal website to help in being alert but not alarmed:

https://www.virustotal.com/en/faq/

https://www.virustotal.com/en/about/

It could be just one file in the BlackBox distribution which is triggering the alarm. If that can be identified we might be able to work out how to eliminate the false alarms.
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Josef Templ
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Joined: Tue Sep 17, 2013 6:50 am

Re: Virus in build 878

Post by Josef Templ »

In my experiments it helped if the application logo was replaced by a smaller graphics, e.g. the old one.
But even that did not remove all the warnings.

- Josef
cfbsoftware
Posts: 204
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Re: Virus in build 878

Post by cfbsoftware »

This issue has now been raised in the BlackBox Component Builder Forums:

https://community.blackboxframework.org ... f=32&t=175
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Josef Templ
Posts: 2047
Joined: Tue Sep 17, 2013 6:50 am

Re: Virus in build 878

Post by Josef Templ »

I have added an experimental feature in the automated build.py script.
It now produces additional text files that contain an SHA-256 hash code for the generated zip and exe files.
Inside the distribution it also contains an sha256 file for the BlackBox.exe file.
The files are named like the source file but with the file name appendix "_sha256.txt".
Thus, for BlackBox.exe there exists an additional file named BlackBox.exe_sha256.txt,
for example.

This allows for checking the file integrity at least manually.

- Josef
Zinn
Posts: 476
Joined: Tue Mar 25, 2014 5:56 pm
Location: Frankfurt am Main
Contact:

Re: Virus in build 878

Post by Zinn »

Here is the draft of my new program which create a MD5 Checklist for all files in a directory.

The save set below contains two modules:
TboxCryptMd5.odc
TboxMd5Sum

To run the program
(!)"TboxMd5Sum.CreateChecklist('D:/BlackBoxBeta')"

Any comments and improvements are welcome.
- Helmut

Code: Select all

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 --- end of encoding ---
User avatar
Josef Templ
Posts: 2047
Joined: Tue Sep 17, 2013 6:50 am

Re: Virus in build 878

Post by Josef Templ »

In general, it would be good to have the basic hashing algorithms in the standard distribution, I think.
MD5, SHA1, SHA256 to name the most common ones.
This can then be used for whatever purpose, for example for encoding passwords, or for encoding files.
In one of my applications I needed to store encrypted passwords and I had to program SHA1 by hand.
Possible but tedious.

Since the list of hash algorithms is long and new ones are invented from time to time
it is almost mandatory to design this as an extensible framework with installable
encoders.

By the way, MD5 and SHA1 are now considered to be not safe against tampering.
SHA256 is still considered to be a safe choice.

Is there anything available from oberoncore or CPC?

- Josef
Zinn
Posts: 476
Joined: Tue Mar 25, 2014 5:56 pm
Location: Frankfurt am Main
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Re: Virus in build 878

Post by Zinn »

Josef Templ wrote:Is there anything available from oberoncore or CPC?
No, there isn't any hashing algorithms on CPC.

We have the choice to add the "Create a MD5 Checklist for all files in a directory" to the standard distribution or I publish it on CPC.

I plan to add a MD5 check list file to the next CPC edition.
With the program above you can create a new check list and compare it [F9] with the distributed one.

Is that enough? Or should I write a program which works through the check list an proofs all files in the list.
- Helmut
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