How to Remove “quser.exe”

quser.exe is a legitimate executable file developed by Microsoft Corporation. This process is known as Query User Utility and it belongs to the product Microsoft Windows Operating System. It is commonly stored in C:\Windows\WinSxS\amd64_microsoft-windows-t..commandlinetoolsmqq_31bf3856ad364e35_6.2.9200.16384_none_81f318c635c95479. Cybercriminals find a way out to mimic malicious programs in the name of quser.exe to spread malware infection.

Affected Platform: Windows OS

How to detect whether your system is affected by quser.exe ?

Viruses can easily affect and corrupt “.exe” files causing several system malfunctions. Below are the symptoms to check if your system is infected with the malware:

  • Problem during computer startup.
  • Problem during program startup.
  • Errors while running specific functions.
  • Damaged and missing link files.
  • Conflict in the process.
  • Missing or corrupted driver files.
  • Invalid Windows registry.
  • Hardware malfunction.

To further establish the infection of malware, 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 quser.exe file and open its location.

If the file is located outside C:\Windows\WinSxS\amd64_microsoft-windows-t..commandlinetoolsmqq_31bf3856ad364e35_6.2.9200.16384_none_81f318c635c95479, then you should perform an antivirus scan to get rid of the malware infection.

How does Comodo Antivirus help you to protect your system from quser.exe malware?

Comodo Antivirus protects your system from malware attacks and also removes any existing infections. Following are the steps to effectively purge out the quser.exe malware from your system.

Step 1: Download and install Comodo Antivirus.

Step 2: Check the option “Do not detect new networks again” when the Comodo Internet Security firewall activates.

Step 3: After the process of network detection is finished, click “Close” button.

Step 4: Restart your PC.

Step 5: Wait until the Comodo Internet Security updates the antivirus.

Step 6: Initiate a quick scan that instantly begins after the update.

Step 7: If the system is infected with quser.exe malware or any other threats, you will be prompted with an alert screen upon scanning.

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

19

Malware Entries

First Seen: 04 June 2008 at 4:00 pm
No. Company File Type SHA1 MD5 Malware
Name
Digitally
Signed
File
Version
Product
Version
Submitted
From
Malware Behavior
1 Microsoft Corporation Executable 6f1fb4dde4a0ca41
ebf9f3aaf18691a0
102dab1b
6d4e9c0c22a78eb1
c25bdf3733d1e2b5
Virus.Win32.
Virut.CE
No 6.1.7600.1
6385
(win7_rtm.
090713-125
5)
6.1.7600.1
6385
103.251.225.75/32 N/A
2 Microsoft Corporation Executable 30a184599a648e57
7ae3916444040ce2
6218454e
N/A Virus.Win32.
Virut.q
No 5.1.2600.0
(xpclient.
010817-114
8)
5.1.2600.0 Lithuania N/A
3 Microsoft Corporation Executable f80b49bdf7247667
74a5ee79a7b5a164
e69f7e14
00fd825bb57bb668
fb87507d4cee9c61
Virus.Win32.
Virut.CE
No 6.1.7601.1
7514
(win7sp1_r
tm.101119-
1850)
6.1.7601.1
7514
Indonesia N/A
4 Microsoft Corporation Executable abc200f391f7645a
ec88e9c95960b6d4
113f8a82
71ed99aa5ddf356d
795384b2e0eafc50
Virus.Win32.
Virut.CE
No 6.1.7601.1
7514
(win7sp1_r
tm.101119-
1850)
6.1.7601.1
7514
Vietnam N/A
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21

Safe Entries

First Seen: 05 June 2008 at 9:36 am
No. Company File Type SHA1 MD5 Digitally
Signed
File
Version
Product
Version
Submitted
From
1 Microsoft Corporation Executable 5613471977396bd8
f938c6507ec2227e
dbd2c8a9
38c81af609c65656
912e5a7e796fd9c4
No 5.1.2600.0
(xpclient.
010817-114
8)
5.1.2600.0 10.100.130.247/32
2 Microsoft Corporation Executable 89c90df9dd946942
6572cf0513fb0b40
3e25061e
5d71d84b111b5a18
55babf3db869063c
No 5.2.3790.1
830
(srv03_sp1
_rtm.05032
4-1447)
5.2.3790.1
830
10.224.1.65/32
3 Корпорация Майкрософт Executable 2adce1a78b74a325
c6fce52e33d27869
8d4ebe31
N/A No 5.00.2195.
6601
5.00.2195.
6601
Ukraine
4 Microsoft Corporation Executable ba79842179c2cdeb
08a0fe9c036afb08
e1b1eb15
6c1755e521819103
ca20d8ff0b5a5102
No 6.2.9200.1
6384
(win8_rtm.
120725-124
7)
6.2.9200.1
6384
United States
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