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Lazarus.exe v.1.8RC2 VIRUS ALERT
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Topic: Lazarus.exe v.1.8RC2 VIRUS ALERT (Read 1587 times)
Mando
Full Member
Posts: 177
Lazarus.exe v.1.8RC2 VIRUS ALERT
«
on:
June 19, 2017, 10:32:53 am »
Hi, all:
I had a virus scan with 360Total security and It found that Lazarus.exe had a virus.
It's a false positive? Can i trust in lazarus?
How can relsolve this?
Regards.
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wp
Hero Member
Posts: 4388
Re: Lazarus.exe v.1.8RC2 VIRUS ALERT
«
Reply #1 on:
June 19, 2017, 10:46:42 am »
If you have the exe from the official site (See "Lazarus downloads (Laz+FPC)" on the left panel) I would say: false positive. I checked both 32 and 64 bit windows versions with VirusTotal: 0 positives out of 65
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Lazarus trunk / fpc 3.0.4 / all 32-bit on Win-10
Handoko
Hero Member
Posts: 2146
My goal: build my own game engine using Lazarus
Re: Lazarus.exe v.1.8RC2 VIRUS ALERT
«
Reply #2 on:
June 19, 2017, 10:51:59 am »
@Mando
Did the checksum of the installer change? If yes then your computer may already infected by virus. If no, it could be false alarm. It is not uncommon, the best thing to do is to test it using more antiviruses.
http://www.lazarus-ide.org/index.php?page=checksums#1_8_0RC2
https://en.wikipedia.org/wiki/Antivirus_software#Problems_caused_by_false_positives
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Ñuño_Martínez
Hero Member
Posts: 747
Re: Lazarus.exe v.1.8RC2 VIRUS ALERT
«
Reply #3 on:
June 19, 2017, 11:53:59 am »
It is sadly common that Pascal applications (both Lazarus /FPC and Delphi ones) generate false positives in some antivirus. It is an old issue and I had some interesting e-mail interchange with Panda and AVG staff back in the days I used Delphi 6 because I wasn't able to install my applications to my customer computers because that.
«
Last Edit: June 19, 2017, 11:56:42 am by Ñuño_Martínez
»
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sam707
Hero Member
Posts: 654
Re: Lazarus.exe v.1.8RC2 VIRUS ALERT
«
Reply #4 on:
June 19, 2017, 02:21:08 pm »
an interesting and clever point of view from gulyone is on the following link
http://www.pilotlogic.com/sitejoom/index.php/forum/forums-general/3827-ct-files-infected-by-viruses
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Lazarus fixes branch (1.8+), Emulators = Radio Shack TRS-80, basic, Pascal 80 , Misosys C pro, Turbo Pascal from version 2 to 5 on amtrad cpc6128 CP/M also a bunch of C compilers. Pascal, C, C++ all versions windows/linux. also assembler from Zilog Z-80 to Pentium MMX
RAW
Hero Member
Posts: 643
Re: Lazarus.exe v.1.8RC2 VIRUS ALERT
«
Reply #5 on:
June 19, 2017, 02:43:50 pm »
Quote
an interesting and clever point of view from gulyone is on the following link
THUMBS UP !!!
A very similar topic is certificates...
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Windows 7 Pro (x64 Sp1) And Windows XP Pro (x86 Sp3) - LAZARUS 1.8 FPC 3.0.4 // 1.7 FPC 3.1.1
Martin_fr
Administrator
Hero Member
Posts: 4553
Re: Lazarus.exe v.1.8RC2 VIRUS ALERT
«
Reply #6 on:
June 19, 2017, 03:02:45 pm »
There are various steps you can do:
As mentioned, ensure the checksum of the installer.
Microsoft provides some tools
1) fciv.exe Afaik at
https://www.microsoft.com/en-gb/download/details.aspx?id=11533
2) a power shell script for sha256 / google
The files at sourceforge are checked against viruses.
- installers are checked by sourceforge itself
- installers that are within the permitted size limit are uploaded to either
https://www.metadefender.com/
or
https://virustotal.com/
- random files from the installation are uploaded to the above sites.
You can upload files yourself, to the above sites.
In case of alerts, it may help to use the "strip" utility (fpc/bin folder) to remove debug info. Debug info can also trigger false alerts.
Check/google what the detection message from your AV means.
Often you get "heuristic" alerts.
"heuristic" means that the AV does not actually know. It has not found a known virus. It simply have found code, that may also be used by viruses. But this code can also be used by normal applications.
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