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!

4

Malware Entries

First Seen: 09 January 2009 at 1:55 am
No. Company File Type SHA1 MD5 Malware
Name
Digitally
Signed
File
Version
Product
Version
Submitted
From
Malware Behavior
1 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
2 N/A Executable ee40f4a88efbf9ee
70967d6fcb758ec6
8f6184f2
73a2d7d1d1803552
02030b7e02153243
TrojWare.Win
32.Agent.FV
No N/A N/A Internal Submission N/A
3 Microsoft Corporation Executable cfe8a4e11c86d2c4
6f0ede20176197ee
a01bf9c9
d6f613d301677f62
7ec8d99b516da6fe
Virus.Win32.
Parite.gen
No 5.1.2600.0
(xpclient.
010817-114
8)
5.1.2600.0 United Arab Emirates N/A
4 Microsoft Corporation Executable d096b7e9a8150bb2
ad228049aa63dd2b
a1a3790c
633d092b90a73953
0eedc661533d6a9b
Virus.Win32.
Parite.gen
No 5.2.3790.3
959
(srv03_sp2
_rtm.07021
6-1710)
5.2.3790.3
959
China N/A
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30

Safe Entries

First Seen: 24 June 2008 at 12:56 pm
No. Company File Type SHA1 MD5 Digitally
Signed
File
Version
Product
Version
Submitted
From
1 Microsoft Corporation Executable abeda82b6b9313f4
33b1d8d7e3f81382
2dcf3de5
957ed05a01a26bf5
748b6002e7c180a2
No 6.1.7600.1
6385
(win7_rtm.
090713-125
5)
6.1.7600.1
6385
United States
2 Microsoft Corporation Executable e2ccc15081ccda9d
84f82117453c4df0
31b54fde
9cae1ca11d71a80a
66b3167754ca09fa
No 5.2.3790.3
959
(srv03_sp2
_rtm.07021
6-1710)
5.2.3790.3
959
Internal Submission
3 Microsoft Corporation Executable 1bea7dccb6a64b6e
199cac69498e5f89
fc44d176
4c640d37a9ffd4b9
2320059951887441
No 6.1.7601.1
7514
(win7sp1_r
tm.101119-
1850)
6.1.7601.1
7514
Morocco
4 Microsoft Corporation Executable 544e42487a281a96
b7be96c56f29fc52
da2ede19
060552ba4f101aa8
8777b8625e2ac4eb
No 5.2.3790.0
(srv03_rtm
.030324-20
48)
5.2.3790.0 Internal Submission
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