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!

20

Malware Entries

First Seen: 26 November 2011 at 9:56 pm
No. Company File Type SHA1 MD5 Malware
Name
Digitally
Signed
File
Version
Product
Version
Submitted
From
Malware Behavior
1 Корпорация Майкрософт Executable 06e0e647c7668dff
d8e46018c7848ecf
7bfc5480
55881d64c696e52f
5677d8d0da7085a7
Virus.Win32.
Sality.gen
No 5.1.2600.0
(xpclient.
010817-114
8)
5.1.2600.0 Ukraine N/A
2 Microsoft Corporation Executable 2a24e82bd51840c1
621f28bf5500871f
c6cea0c8
d9a590b84769eec4
481bb5acffea327a
Virus.Win32.
Virut.CE
No 6.1.7600.1
6385
(win7_rtm.
090713-125
5)
6.1.7600.1
6385
5.155.7.12/32 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 8d6290ac69cb27b9
68fddcc30b0ff648
cd802a5f
840c4c59a611ac08
87894a6869de9a39
Virus.Win32.
Virut.CE
No 6.1.7600.1
6385
(win7_rtm.
090713-125
5)
6.1.7600.1
6385
Nigeria N/A
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15

Safe Entries

First Seen: 09 January 2009 at 10:11 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 0fb793bc0423a7eb
ce91b0c57446a3b3
e06f50b3
61edbcb6918dc58a
36e797d98a29d27d
No 10.0.17755
.1
(WinBuild.
160101.080
0)
10.0.17755
.1
Japan
3 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
4 Microsoft Corporation Executable 3434bc84461e46a4
3e5abd69d0e45c78
df2e94c9
d4abfa32224806e3
f7e9ed662e5b9444
No 6.2.9200.1
6384
(win8_rtm.
120725-124
7)
6.2.9200.1
6384
Internal Submission
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