False positive is the case where the positive result of a test doesn't correspond to reality. It can lead to the wrong decision.
Questions tagged [false-positive]
236 questions
85
votes
3 answers
Malwarebytes gives trojan warning for basic C# "Hello World!" program
Basically, I just ran a scan of my computer with Malwarebytes (updated the definitions before running), and it said my "helloworld" program written in C# has a trojan.
I know for a fact this is a false positive, as I only wrote the program 2-3 days…

Qwurticus
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62
votes
17 answers
Accidentally created a virus?
I've seen it happen reasonably often: I write an application in Delphi and when I compile it, the virus-scanner tells me that I've created a virus and then immediately deletes the executable again. It's annoying but reasonable easy to fix by doing a…

Wim ten Brink
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41
votes
6 answers
Antivirus False positive in my executable
I just ran into an annoying problem. Suddenly Avira AntiVir started to flag one executable from my software as being a virus.
As the default action from almost any user is to click OK and Avira suggests to put the virus in quarantine, most of my…

Ricardo Acras
- 35,784
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40
votes
3 answers
Helgrind (Valgrind) and OpenMP (C): avoiding false positives?
The documentation for the Valgrind thread error detection tool Helgrind, found here
warns that, if you use GCC to compile your OpenMP code, GCC's OpenMP runtime library (libgomp.so) will cause a chaos of false positive reports of data races, because…

Amittai Aviram
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31
votes
6 answers
Program Download - IE CHROME - "is not commonly downloaded and could be dangerous."
I have an installer for my C# program, I uploaded it to my website, but whenever I try to download it in chrome or IE, I get "MY FILE* is not commonly downloaded and could be dangerous." You can only keep it if you click a tiny arrow and choose…

msbg
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15
votes
3 answers
how to recompile the bootloader of Pyinstaller
I have an AntiVirus false positive problem of my exe file generated using PyInstaller, by searching i found this answer witch consist of recompiling the bootloader and i just can't get it done.
This what i've tried so far:
try to install C++…

infantry
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14
votes
2 answers
How do you deal with false positives from antivirus companies (Avast and ClamAV)?
Possible Duplicate:
Antivirus False positive in my executable
One application is currently getting detected by a false positive for virus by Avast and ClamAV (never heard of the latter).
I have contacted both and waiting for reply from them, but I…

EKS
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11
votes
4 answers
How to stop antivirus false positives everytime we re-release software?
Windows Defender and AVG/Avast pickup our software application as a virus/false positive everytime we release. We have a code signing certificate and add taggant as well.
Every time we release the software we have to go through the process of doing…

rollsch
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10
votes
4 answers
Need explanation on the necessity of a prior flushing to avoid false positives whenTesting with Spring ?
In the spring documentation regarding testing, it states:
Avoid false positives when testing ORM
code
When you test code involving an
ORM framework such as JPA or
Hibernate, flush the underlying
session within test methods which
update…

JavaRocky
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10
votes
2 answers
Is the clang static analyzer confused by popping the front from a list of unique_ptrs?
The following C++11 code is a minimal example of what I believe triggers a false positive in clang:
#include
#include
-
#include

Thierry
- 1,099
- 9
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9
votes
1 answer
Trying to suppress clang false positive leak warning
I am using clang static analysis under Xcode 6.4 (6E35b), and getting a false positive warning about a potential memory leak. I do explicitly free the memory in question, but the freeing happens in a different compilation unit. Here is my…

Josh Sanford
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9
votes
2 answers
How to change all bit type column NULL values to false in all database in MSSQL?
I have a database in with I have many bit type columns.
After adding other columns I need all old columns to have default "false" values.

Sergey Khojoyan
- 113
- 1
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8
votes
1 answer
IE9 SmartScreen Warning, Despite Following All Recommendations
We offer a Windows program downloadable as an InstallShield EXE from our website.
When someone running IE9 attempts to download and run our software, they see the following message at the bottom of their screen:
PROGRAMNAME.exe is not commonly…

Schof
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8
votes
2 answers
clang-analyze: how to avoid "garbage value" warning?
When checking
#include
#include
int main(void)
{
char c[20];
size_t l;
l = fread(c, sizeof c, 1, stdin);
if (l != 1)
return 1;
return c[0] == 42;
}
with clang, I get
$ clang --analyze -Xclang…

ensc
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8
votes
2 answers
how to calculate roc curves?
I write a classifier (Gaussian Mixture Model) to classify five human actions. For every observation the classifier compute the posterior probability to belong to a cluster.
I want to valutate the performance of my system parameterized with a…

Mario Lepore
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