Microsoft security researchers analyze suspicious files to determine if they are threats, unwanted applications, or normal files. Submit files you think are malware or files that you believe have been incorrectly classified as malware. For more information, read the submission guidelines.
You are signed in with a account, however you have chosen to submit as a . Choose a different option or sign in with a account
Submit file as a
Windows Defender Response Portal
This portal is for internal use by Microsoft employees to report detection concerns to Windows Defender Research
Submit a file internally
Submit files so our analysts can check them for malicious characteristics. Provide the specific files that need to be analyzed and as much background information as possible.SUBMIT FILE
View your submissions
Track the results of your submissions. You can view detailed detection information of all the files you have submitted as well as the determination provided by our analysts.SUBMISSION HISTORY
Search all submissions
Go to Researcher Studio to check the results of all submissions, including internal submissions and customer submissions.RESEARCHER STUDIO
Escalate to WD Response
WD Response serves as the primary contact point to our malware analysts. Submit your files through regular channels before contacting WD Response for special requests or submission follow-ups.CONTACT WD RESPONSE
Specify the file and provide information that will help us to efficiently handle your case.
Required fields are marked with an asterisk (*).
Specify valid email addresses, separating each with a semicolon
Grant other members of your organization access to submission details
Specify the company name
Select the number of affected devices
Specify a valid Software Assurance ID
SAID validated. Make high priority submissions only when dealing with active malware or incorrect detections that require immediate attention
Invalid SAID. The specified SAID could not be validated. All submissions are given regular priority
Problems validating SAID. Could not connect to the validation service. Please try again later
Select the file to submit
The selected file is too large ()
The selected file is empty
Select a date between 30 days and 5 years from now
Select a Microsoft security product
Specify a detection name
Specify additional information
Was this file found in the Microsoft corporate network?
Number of affected devices
Software Assurance ID
Do you believe this file contains malware?
Unable to upload the file