Solved Question malware found

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only malware type ransomware is capable of modifying, deleting, or corrupting any type of file on my PC or others malwares?

The only malware found for me was QtWebKit4.dll (Trojan:Win32/Wacatac.C!ml), Caller.exe (detects
Trojan.DownLoader47.36298), and Caller.exe (
TrojanPSW.Rhadamanthys), Trojan.Win32.Agent.xcajyl, Application.Fragtor.Generic. Trojan:Script/Sabsik.FL.A!ml Generik.DWVRBFE trojan
 
only malware type ransomware is capable of modifying, deleting, or corrupting any type of file on my PC or others malwares?

The only malware found for me was QtWebKit4.dll (Trojan:Win32/Wacatac.C!ml), Caller.exe (detects
Trojan.DownLoader47.36298), and Caller.exe (
TrojanPSW.Rhadamanthys), Trojan.Win32.Agent.xcajyl, Application.Fragtor.Generic. Trojan:Script/Sabsik.FL.A!ml Generik.DWVRBFE trojan
Here is a detailed and simplified article about the types of malware:

And if you want a 2nd opinion scanner with true full scanning capabilities (not like MalwareBytes and AdwCleaner) use EEK.
 
Why does malware detected and sent to VT have different names for each antivirus? Does the behavior of this malware also differ?

The Trojans I mentioned vary greatly in their behavior, from harmless to aggressive, deleting, corrupting, and modifying various files on the PC. It's impossible to pinpoint their behavior because the malware creator decides.

This malwares i cited above are New malwares and Kaspersky free, malwarebytes free not detect in Scan?
 
Why does malware detected and sent to VT have different names for each antivirus? Does the behavior of this malware also differ?

The Trojans I mentioned vary greatly in their behavior, from harmless to aggressive, deleting, corrupting, and modifying various files on the PC. It's impossible to pinpoint their behavior because the malware creator decides.

This malwares i cited above are New malwares and Kaspersky free, malwarebytes free not detect in Scan?
For one there is no universal naming for malware. They are usually named after how they are detected, signature based, heuristic or machine learning and even packer naming.

Mbam free is designed to clean up after infection has already happened. It lacks the real time behavior blocker that prevents the infection but the first place. Kaspersky free also lacks the real time behavior watching components of it's paid products.
 
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Why does malware detected and sent to VT have different names for each antivirus? Does the behavior of this malware also differ?
You need to do some research to educate yourself. Read up on the subject here on the forum and elsewhere. We aren't here to spoon feed you elementary info that you can find with a little effort. Afterwards you'll be in a position to ask questions. It's called 'learning'. Word!
 
If Kaspersky Free doesn't have real-time behavior monitoring, then it wasn't helpful to me in blocking it QtWebKit4.dll (Trojan:Win32/Wacatac.C!ml),
 
If Kaspersky Free doesn't have real-time behavior monitoring, then it wasn't helpful to me in blocking it QtWebKit4.dll (Trojan:Win32/Wacatac.C!ml),
This you?


Provide hash or file. Stop wasting peoples' time here. Go to malware removal thread and request assistance. Stop focusing on Kaspersky. It could be false positive by Microsoft Defender. Lots of people have tried to assist you here, but you just want to do your own thing - and that's not going to work.
 
Why are you still posting? You've asked the same question in many different places, including the forums of ESET, Microsoft, Bitdefender, Kaspersky, Malwarebytes, Comodo etc, as is shown in the Google link below. It was suggested many pages ago, that you should do a clean install of Windows if you are so concerned. So why don't you just do that and stop posting, as no matter what anyone suggests, it seems that you will not accept their advice and keep posting.

 
The file was removed by Microsoft Defender. I cleaned my PC. I didn't format it because I'll lose my personal files.

My question was, while this file was on my PC and wasn't detected by Kaspersky Free in complete scan, if this file acted maliciously and had a backdoor, modifying, deleting, or corrupting many types of data and files on Windows PCs.
 
I salute your persistence; have to participate to Comodo threads.
Had they used Comodo then they would not be infected in the first place.

Anyway, whomever they are, they have posted this same thing across at least 20 forums.

PS - Appears to me to be false positive, but I don't feel like grabbing the file and doing a full analysis. 19% detection rate does not provide confidence that the file is anything other than a false positive.
 
The file was removed by Microsoft Defender. I cleaned my PC. I didn't format it because I'll lose my personal files.
Do you not make backups of your personal files?

You are not saving your personal files to OneDrive locations?

My question was, while this file was on my PC and wasn't detected by Kaspersky Free in complete scan, if this file acted maliciously and had a backdoor, modifying, deleting, or corrupting many types of data and files on Windows PCs.
Nobody can provide you an answer. If you cleaned your system them time to move on and stop asking over-and-over the same question everywhere.
 
Kaspersky Free Even without a database signature that allows it to detect malware during a full scan, is there any protection against modifications, behavioral changes, or changes that enable detection, blocking, and removal of the threat if a hacker or malware like Trojan:Win32/Wacatac.C!ml (Microsoft Defender)

Trojan.Win32.Agent.xcajyl (Kaspersky) or Spyware.Lumma (Malwarebytes) performs modifications or deletes various files? Or does all protection depend on the malware's database signature?
 
The file was removed by Microsoft Defender. I cleaned my PC. I didn't format it because I'll lose my personal files.

My question was, while this file was on my PC and wasn't detected by Kaspersky Free in complete scan, if this file acted maliciously and had a backdoor, modifying, deleting, or corrupting many types of data and files on Windows PCs.
Let this be a call to action. You should always have your personal files backed up, and you can't continue to get by without resolving that fundamental problem. If you don't have extra cash to buy an external drive, even a USB thumb drive, then you need to evaluate cloud solutions to back up your files. Popular examples include OneDrive, Google Drive, and MEGA.

If you can't discern any corruption in your Windows installation, and a variety of antimalware scanners don't reveal anything, then you should stop worrying. If you can't sleep at night because of this, you definitely need to reinstall Windows.

Whether or not you think you want to reinstall Windows, you need to back up your personal files ASAP.
 
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