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!

4

Malware Entries

First Seen: 21 June 2018 at 7:50 pm
No. Company File Type SHA1 MD5 Malware
Name
Digitally
Signed
File
Version
Product
Version
Submitted
From
Malware Behavior
1 N/A Executable 3c8835749d2c2d78
1660e0efcfc9aa61
42cc4707
a01edb8a8b0d4bd7
220a18812d03330f
Virus.Win32.
Ramnit.K
No N/A N/A Libyan Arab Jamahiriya N/A
2 Digia Plc and/or its subsidiary(-ies) Executable 9c9391ad4aa3dc9e
fa89c108992e43f3
3c3e91d1
01813a774ae2bfac
7cfcbfc6a559e060
Virus.Win32.
Ramnit.K
No 4.8.6.0 N/A 103.70.61.210/32 N/A
3 N/A Executable 9a5196a40dbc0d35
c0dd1be5125f992f
cd5f607e
c37de18b7cac7b3d
060e1b62406c731c
Virus.Win32.
Ramnit.K
No N/A N/A United States N/A
4 N/A Executable 88f271eb161b2ce2
f20f9862f5738795
ad8db7aa
68b5a442685ea0ac
573a45b95ce2e79f
Virus.Win32.
Ramnit.K
No N/A N/A United States N/A
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8

Safe Entries

First Seen: 20 February 2010 at 9:04 pm
No. Company File Type SHA1 MD5 Digitally
Signed
File
Version
Product
Version
Submitted
From
1 The Qt Company Ltd Executable 7714303da8c0ea30
fa84116d8d2e8380
bec44f49
122c372b33367888
7183444d400bb348
No 4.8.7.0 N/A 10.108.51.216/32
2 N/A Executable c3f27098a4fd1ec5
0e20d8d445d332fc
946a1756
31c6c1938413d13e
b37aeab83939bf49
No N/A N/A United States
3 Digia Plc and/or its subsidiary(-ies) Executable 8a6f0a36f6105351
1de3f3044c286a4c
ab2c1918
a4f90a8aa3574751
207656eae504785e
No 4.8.5.0 N/A United States
4 Digia Plc and/or its subsidiary(-ies) Executable 7e10e3ea0e2a29f2
3592f127e65b3e68
e9a10b7c
9689ea720343938d
97dc2f335ad30f6b
No 4.8.6.0 N/A United States
Display 4 items per page
  • 4 items per page
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