How to Remove “QtXml4.dll”

What is QtXml4.dll?

The file named QtXml4.dll is developed by Digia Plc. It has a valid digital signature and verified by SMART technologies ULC. The program is primarily used by the C++ application development framework and is always safe to work with. The developer rolls out security updates to safeguard it against viruses. The threat level is 1.

QtXml4.dll is located in C:\Program Files\smart technologies\education software\smarttech.qt.vc100.4.7.2.1\qtxml4.dll. The size of the file is confirmed to be 409.4 kilobytes. The last identified version is not known. It is digitally verified by Verisign incorporation. The program is not a crucial DLL for Windows operating system to run efficiently and can be removed if found to be slowing down the system. 

Affected Platform: Windows 7,8.

How to check if your computer is infected with QtXml4.dll malware?      

Each malware is different and causes unique problems to the system. You will notice one or several of the following symptoms if your system is infected with QtXml4.dll malware:

  • Internet connection fluctuates
  • QtXml4.dll file is taking more of your CPU memory 
  • System performance is very low
  • Browser is redirected to some strange websites
  • Interference of annoying popup ads
  • Other malwares infiltrate into the system.

To further establish the malware infection, take the following steps:

  • Go to Task Manager by pressing the combination of keys ctrl+alt+del
  • Go to the process tab and right-click on the QtXml4.dll and open the file location.

If the file is located outside C:\Program Files\smart technologies\education software\smarttech.qt.vc100.4.7.2.1\qtxml4.dll, then it is likely that the system is affected with QtXml4.dll malware.

How to remove QtXml4.dll malware from system using Comodo Antivirus?

Ideally, replacing the existing QtXml4.dll file on your computer with a different version procured from the internet is advisable. To remove the file using Comodo's trusted and effective antivirus software, follow the steps below:

Step 1: Download the award-winning Comodo Free Antivirus.

Step 2: Installation configuration frames will be displayed. Select the configuration you would like to apply.

Step 3: Select Customize Configuration option and arrange installers, configuration, and file location.

Step 4: Once the Installation is Finished, restart your PC.

Step 5: It will take some time for the Comodo Internet Security to update the antivirus.

Step 6: Proceed with a quick scan that automatically begins after the update.

Step 7: If threats are found during the scanning, you will be prompted with an alert screen.

Step 8: Comodo Antivirus will remove QtXml4.dll malware from your computer including all other malwares!

3

Malware Entries

First Seen: 08 September 2018 at 3:43 am
No. Company File Type SHA1 MD5 Malware
Name
Digitally
Signed
File
Version
Product
Version
Submitted
From
Malware Behavior
1 N/A Executable b6cd7bd0ee8f0121
5226ba22c2689345
211ce756
2d8f6167048cabe3
eef93d6e97eb01e1
Virus.Win32.
Ramnit.K
No N/A N/A United States N/A
2 N/A Executable 57b3f5428ea28922
af9f4d075f8962f2
ff9dc4a2
1a5f76738281e3f5
5803fd8758b8625d
Virus.Win32.
Ramnit.K
No N/A N/A 103.225.137.42/32 N/A
3 N/A Executable 4e89ecd0454f030e
faedf637c2d195ee
dfd07e61
766912675f657385
fcd1dd32110c2444
Virus.Win32.
Ramnit.K
No N/A N/A Philippines N/A
Display 4 items per page
  • 4 items per page
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  • 32 items per page
14

Safe Entries

First Seen: 06 January 2010 at 8:25 pm
No. Company File Type SHA1 MD5 Digitally
Signed
File
Version
Product
Version
Submitted
From
1 N/A Executable 1b617c45b65aab9e
f797dfbbb4a12a7d
cccd3893
61e4bc9f0b582c2f
690fa01a4e6c39e2
Yes N/A N/A 10.224.25.96/32
2 Digia Plc and/or its subsidiary(-ies) Executable 2bcabfa0fcd97f3e
959daba4043ad957
1be69b49
73a8696ebf5c38a1
bb76c5298aaa7151
No 4.8.4.0 N/A United States
3 N/A Executable 034c69fea933dc17
626d75e6ba5ec9c1
a111c653
3541844725603540
dd37454aa3058bdb
Yes N/A N/A 10.224.25.96/32
4 Digia Plc Executable 6b7d3bdc020d1cf3
310b4d56310b2b1d
1a4e386e
df6457f1e82735b5
03037ef988717dc8
No 4.8.2.0 N/A United States
Display 4 items per page
  • 4 items per page
  • 8 items per page
  • 16 items per page
  • 32 items per page
 
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