# Is this a virus?

**URL:** <https://discourse.slicer.org/t/is-this-a-virus/35592>\
**Category:** Support\
**Tags:** python\
**Created:** [April 18, 2024, 11:35am UTC](https://discourse.slicer.org/t/is-this-a-virus/35592 "2024-04-18T11:35:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Nilabhra\_Banerjee](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/nilabhra_banerjee/32/70091_2.png) [@Nilabhra\_Banerjee](https://discourse.slicer.org/u/Nilabhra_Banerjee)\
**Post date:** [April 18, 2024, 11:35am UTC](https://discourse.slicer.org/t/is-this-a-virus/35592/1 "2024-04-18T11:35:40Z")

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I installed 3Dslicer for windows. The Bitdefender immediately gave me notice as

The file C:\Users\nilab\AppData\Local\slicer.org\Slicer 5.6.2\lib\Slicer-5.6\CTKImageProcessingITKCorePythonQt.pyd is infected with Gen:Variant.Tedy.566536 and was moved to quarantine.

Why is it so? Is it safe to take the file back from quarantine?

Thanks and Regards  
Nilabhra Banerjee

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**Author:** ![pieper](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/pieper/32/8_2.png) [@pieper](https://discourse.slicer.org/u/pieper)\
**Post date:** [April 18, 2024, 3:50pm UTC](https://discourse.slicer.org/t/is-this-a-virus/35592/2 "2024-04-18T15:50:08Z")

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If you installed our binary version the most likely explanation is a false positive (search the forum for ‘virus false positive’ to see other examples).