Microsoft confirmed to Bleeping Computer that the detection was a false positive, and that it had already been addressed. Oracle_VM_VirtualBox_Extension_Pack-5.2.12.vbox-extpack.The following legitimate files have also been flagged as the trojan, according to the report: These files include CPU miners, which would be an appropriate threat to flag, but also real Windows files, which would not.įor example, one users posted in a Bleeping Computer forum this week that the program had begun detecting the legitimate file “C:\Windows\assembly\NativeImages_v9_64\Microsoft.C26a36d2b#\daf01e12fa59ed340363c44b7deff15e\.ni.dll” as Trojan:Win32/Bluteal.B!rfn, with the recommended action “Remove threat now.” While no more detail is provided, users have noted that Windows Defender is now detecting files as Trojan:Win32/Bluteal.B!rfn.
SEE: Windows spotlight: 30 tips and tricks for power users (Tech Pro Research) “This threat can perform a number of actions of a malicious hacker’s choice on your PC.” “Windows Defender Antivirus detects and removes this threat,” the post says. New Malware Targets 97 Browser Variants, 76 Crypto Wallets & 19 Password Managers
How Generative AI is a Game Changer for Cloud Security Must-read security coverageĨ Best Penetration Testing Tools and Software for 2023Ħ Best Cybersecurity Certifications of 2023 The program appears to have first begun detecting Trojan:Win32/Bluteal.B!rfn after May 18, according to a post on the Windows Defender Security Intelligence site. A flaw in Windows Defender is mistaking many users’ legitimate Windows files for trojans, according to a Wednesday report from Bleeping Computer.Ī number of Windows users have come forward on online forums to report the issue.
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