False positive for Visual Studio extension

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False positive for Visual Studio extension

L0 Member

I'm the author of this extension: https://marketplace.visualstudio.com/items?itemName=ionoy.XamarinFormsLive-18843


There is a xlserver.exe file that is a simple .NET assembly serving as a TCP server. There is nothing malicious which can be easily verified. Please remove the false positive. 




L5 Sessionator

Please submit the following information in the order listed below so that our team can investigate your claim and change verdicts when warranted.


File Hash: <hash>

Link to Virustotal report for the file: <link>

Current VirustTotal Verdict: <verdict>

Description: <description>


Our team will update each submission to this discussion forum at the conclusion of their research into your claim.

File Hash: 6bf09b81fd56d6fdb4558018540dc5cf760c9dadc73b7c633fe76372297cc2d2

Link to Virustotal report for the file: https://www.virustotal.com/#/file/6bf09b81fd56d6fdb4558018540dc5cf760c9dadc73b7c633fe76372297cc2d2/d...

Current VirustTotal Verdict: generic.ml

Description: xlserver.exe is the file that is contained inside VSIX package, which is actually a ZIP with another extension. My client has a corporate firewall or something, that is based on VirusTotal. Out of all vendors, only Palo Alto and CrowdStrike detected it as a possible malware. It's easy to check `xlserver.exe` because it's an unobfuscated .NET assembly. There is nothing malicious inside.

Sample with hash 6bf09b81fd56d6fdb4558018540dc5cf760c9dadc73b7c633fe76372297cc2d2 has been queued for manual review.  Please allow us 24 to 48 hours to conduct a proper review and adjust verdict as appropriate.

This sample has been updated to benign.  

Resolved Time2018-01-15T17:57:40.755004
  • 4 replies
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