Malware found after scan

[gamerfan]

I ran a full scan with Microsoft Defender on my PC and it found the file AppData\Roaming\secure\QtWebKit4.dll (Trojan:Win32/Wacatac.C!ml).

But before using Defender, I had run a full scan with Malwarebytes Free and Kaspersky Free and found nothing. Why did it detect this now?

Is this type of malware the kind that modifies, deletes, or corrupts files on the PC?

 

[lxskllr]

Might be a false positive. You'll have to research further. Figure out when and where it came from. A quick search says it's a legit file, or can be. Doesn't mean legit files can't be compromised or spoofed.

 

[gamerfan]

tested file

VirusTotal

VirusTotal

www.virustotal.com

 

[Steltek]

It was likely a heuristic detection that resulted in a false positive.

Happens a couple of times a year for me with subscription Malwarebytes, but I've never yet had one turn out to be an actual malware infection.

 

[mindless1]

Ahem! This is excessive. I'll eat my hat if you didn't post at least 90% of these, and among them, you surely have enough^2 answers already:

Question Trojan:Win32/Wacatac.C!ml | Microsoft Community Hub

I perform complete scan in my PC using Microsoft Defender and detected AppData\Roaming\Secure\QtWebKit4.dll (Trojan:Win32/Wacatac.C!ml) this malware behavior...

techcommunity.microsoft.com

Question malware detected other software

forum.kaspersky.com

https://forums.malwarebytes.com/topic/330187-question-malware-found-with-defender-scan/

Question malware

I ran a full scan with Microsoft Defender on my PC and it found the file AppData\Roaming\secure\QtWebKit4.dll (Trojan:Win32/Wacatac.C!ml). But before using Defender, I had run a full scan with Malwarebytes Free and Kaspersky Free and found nothing. Why did it detect this now? Is this type of...

community.avast.com

Detection malware question

I ran a full scan with Microsoft Defender on my PC and it found the unique file AppData\Roaming\secure\QtWebKit4.dll (Trojan:Win32/Wacatac.C!ml). But before using Defender, I had run a full scan with Malwarebytes Free and Kaspersky Free and found nothing. Why did it detect this now? Is this...

community.spiceworks.com

Question files malware detected by defender - Microsoft Q&A

I used to use Kaspersky Free and Malwarebytes Free, but they never detected these files as malicious in their scans. Now I use Microsoft Defender. In the first full scan, it detected this file: AppData\Roaming\Secure\QtWebKit4.dll…

learn.microsoft.com

https://forum.eset.com/topic/46949-question-malware-found/

https://www.elektroda.com/rtvforum/topic4148117.html

Question malware detected in Microsoft Defender - Anti-Virus, Anti-Malware, and Privacy Software

Question malware detected in Microsoft Defender - posted in Anti-Virus, Anti-Malware, and Privacy Software: I used to use Kaspersky Free and Malwarebytes Free, but they never detected these files as malicious in their scans. Now I use Microsoft Defender. In the first full scan, it detected this...

www.bleepingcomputer.com

Question Malware Detected by Defender - Windows 10 Help Forums

Good afternoon, friend. I see that you have a lot of knowledge in this area and would like to ask for help to clarify some doubts. I've always used Kaspersky Free as my main antivirus and, in parallel, I also ran scans with Malwarebytes Free and ADWCleane

www.tenforums.com

https://www.reddit.com/r/Malware/comments/1ofz649/questions_malwares

Solved - Question malware found

I ran a full scan with Microsoft Defender on my PC and it found the file AppData\Roaming\secure\QtWebKit4.dll (Trojan:Win32/Wacatac.C!ml). But before using Defender, I had run a full scan with Malwarebytes Free and Kaspersky Free and found nothing. Why did it detect this now? Is this type of...

malwaretips.com

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[mindless1]

nvm